GraphQL API — Query exactly the fields you need
GraphQL alongside REST. Request only the fields you need in a single query — prices, financials, estimates, and ownership without over-fetching.
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What's new.
We ship to the Eulerpool Financial Data API every day — new endpoints, datasets, and developer guides, each published as a full article.
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guide
Dividend API: Ex-Dates, Yield, and Full Payment History
Forward dividend calendar plus complete history for stocks, REITs, ETFs, and preferreds — yield and payout ratio included.
EquitiesRead →
guide
Earnings Calendar API: Dates, EPS Estimates, and Surprises
Never miss a print. Confirmed dates, BMO vs. AMC, consensus EPS/revenue, and the surprise as soon as it lands.
CalendarRead →
guide
Stock Fundamentals API: Statements, Ratios, and Estimates
Income statement, balance sheet, cash flow, 100+ ratios, and Wall Street estimates — standardized JSON, 20+ years.
FundamentalsRead →
guide
Options Chain API with Greeks and Implied Volatility
Full US options chains, Greeks, IV rank, skew, and term structure — the derivatives tape without a second vendor.
DerivativesRead →
guide
Excel Stock API: Live Prices and Financials in Your Spreadsheet
=EP.PRICE("AAPL") pulls institutional data into Excel and Google Sheets. 200+ formulas, auto-refresh, no VBA.
SpreadsheetsRead →
guide
Python Stock API: pandas-Ready Market Data in Five Lines
pip install eulerpool. Native DataFrames, async, type hints, and retries — a stock API that feels like pandas, not SOAP.
SDKsRead →
guide
Historical Stock Data API — Daily and 1-Minute Bars to 2010
Split-adjusted daily history and 1-minute bars back to 2010. Built for backtests, not screenshots.
EquitiesRead →
guide
Real-Time Stock Data API with WebSocket Streaming
Sub-10ms WebSocket quotes plus REST snapshots. Equities, FX, and commodities on one stream.
StreamingRead →
guide
Stock Price API: Real-Time and Delayed Quotes in JSON
Last, bid/ask, VWAP, volume, and 52-week range for 100,000+ symbols. One GET. Typed JSON.
EquitiesRead →
guide
Yahoo Finance API Alternative: Live Market Data Without the ToS Risk
Yahoo’s unofficial endpoints break. Eulerpool is a licensed financial data API with the quotes, fundamentals, and filings people scrape Yahoo for.
EquitiesRead →
guide
Free Stock API: 10,000 Requests a Month, No Credit Card
A genuinely free stock API — not a 25-request/day tease. Quotes, fundamentals, and macro on the same key.
EquitiesRead →
guide
Financial Data API for Developers (2026 Guide)
Institutional financial data via REST and MCP: equities, bonds, FX, options, macro, and alternative datasets — one key, typed JSON.
PlatformRead →
guide
Stock Market API: Real-Time Quotes, Fundamentals & a Free Tier
A production stock market API with real-time and historical prices, fundamentals, and 100,000+ listings — free tier, no credit card.
EquitiesRead →
guide
Build with the Sovereign CDS Spreads API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool sovereign CDS — screens, alerts, agents, and research notebooks.
Fixed IncomeRead →
improvement
Batch Stock Quotes JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool batch quotes endpoint — what you get, how it’s updated, and how it counts against quota.
EquitiesRead →
guide
Build with the Short Interest API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool short interest — screens, alerts, agents, and research notebooks.
EquitiesRead →
guide
Company Profiles in Excel and Google Sheets
Load company profiles into a spreadsheet with =EP.PROFILE("AAPL") — no CSV export step.
EquitiesRead →
improvement
Insider Trading JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool insider trades endpoint — what you get, how it’s updated, and how it counts against quota.
OwnershipRead →
guide
Stock Screener in Excel and Google Sheets
Load stock screeners into a spreadsheet with =EP.SCREEN("US") — no CSV export step.
EquitiesRead →
guide
Corporate Bonds API: Complete Developer Guide
Everything in the Eulerpool corporate bonds API: endpoint, fields, history depth, and how teams actually use it in production.
Fixed IncomeRead →
new
Free Stock Peers API — JSON, No Credit Card
Access stock peers on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
EquitiesRead →
guide
Risk Metrics API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for risk metrics — licensing, breakage, and a drop-in JSON API.
RiskRead →
guide
MCP Financial Data Server in Excel and Google Sheets
Load MCP financial tools into a spreadsheet with =EP.MCP("AAPL") — no CSV export step.
AIRead →
guide
Options Chains in Excel and Google Sheets
Load options chains into a spreadsheet with =EP.OPTIONS("SPY") — no CSV export step.
DerivativesRead →
improvement
Implied Volatility JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool implied volatility endpoint — what you get, how it’s updated, and how it counts against quota.
DerivativesRead →
guide
How to Get Stock Peers in JavaScript (Financial Data API)
Pull stock peers from the Eulerpool API in JavaScript — copy-paste setup, the live endpoint, and a production-ready snippet.
EquitiesRead →
improvement
Analyst Upgrades & Downgrades JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool analyst upgrades endpoint — what you get, how it’s updated, and how it counts against quota.
ResearchRead →
new
Free Gold Prices API — JSON, No Credit Card
Access gold prices on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
CommoditiesRead →
new
Congressional Trading API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed congressional trades — REST plus native MCP tools, no scraping.
OwnershipRead →
improvement
Macroeconomic Data JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool macroeconomic indicators endpoint — what you get, how it’s updated, and how it counts against quota.
MacroRead →
new
Free Treasury Yields API — JSON, No Credit Card
Access Treasury yields on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
Fixed IncomeRead →
improvement
Real-Time Stock Quotes JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool real-time stock quotes endpoint — what you get, how it’s updated, and how it counts against quota.
EquitiesRead →
guide
Analyst Estimates in Excel and Google Sheets
Load analyst estimates into a spreadsheet with =EP.ESTIMATES("META") — no CSV export step.
ResearchRead →
improvement
Stock Seasonality JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool seasonality patterns endpoint — what you get, how it’s updated, and how it counts against quota.
ResearchRead →
guide
Analyst Estimates API: Complete Developer Guide
Everything in the Eulerpool analyst estimates API: endpoint, fields, history depth, and how teams actually use it in production.
ResearchRead →
new
Free Stock Prices API — JSON, No Credit Card
Access stock prices on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
EquitiesRead →
guide
Credit Ratings API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for credit ratings — licensing, breakage, and a drop-in JSON API.
Fixed IncomeRead →
guide
Build with the Market Breadth API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool market breadth — screens, alerts, agents, and research notebooks.
EquitiesRead →
guide
How to Get Gold Prices in Excel (Financial Data API)
Pull gold prices from the Eulerpool API in Excel — copy-paste setup, the live endpoint, and a production-ready snippet.
CommoditiesRead →
guide
Bank Regulatory Capital in Excel and Google Sheets
Load bank capital ratios into a spreadsheet with =EP.CET1("JPM") — no CSV export step.
FundamentalsRead →
new
Asset Correlation API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed correlation matrices — REST plus native MCP tools, no scraping.
RiskRead →
guide
Financial News API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for financial news — licensing, breakage, and a drop-in JSON API.
SentimentRead →
new
Bank Regulatory Capital API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed bank capital ratios — REST plus native MCP tools, no scraping.
FundamentalsRead →
new
Bulk Market Data Downloads API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed bulk data exports — REST plus native MCP tools, no scraping.
DeliveryRead →
new
Dark Pool Data API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed dark pool volume — REST plus native MCP tools, no scraping.
Market StructureRead →
new
SEC Filings API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed SEC filings — REST plus native MCP tools, no scraping.
FilingsRead →
improvement
Futures Term Structure JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool futures curves endpoint — what you get, how it’s updated, and how it counts against quota.
DerivativesRead →
new
Free Macroeconomic Data API — JSON, No Credit Card
Access macroeconomic indicators on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
MacroRead →
new
Sovereign Wealth Fund Holdings API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed sovereign wealth funds — REST plus native MCP tools, no scraping.
OwnershipRead →
guide
How to Get Forex Rates in Python (Financial Data API)
Pull forex rates from the Eulerpool API in Python — copy-paste setup, the live endpoint, and a production-ready snippet.
ForexRead →
guide
Financial Ratios API: Complete Developer Guide
Everything in the Eulerpool financial ratios API: endpoint, fields, history depth, and how teams actually use it in production.
FundamentalsRead →
guide
Shares Outstanding API: Complete Developer Guide
Everything in the Eulerpool shares outstanding API: endpoint, fields, history depth, and how teams actually use it in production.
FundamentalsRead →
guide
Build with the Earnings Calendar API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool earnings calendars — screens, alerts, agents, and research notebooks.
CalendarRead →
guide
ETF Fund Flows API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for ETF fund flows — licensing, breakage, and a drop-in JSON API.
ETFsRead →
guide
How to Get REIT Analytics in Go (Financial Data API)
Pull REIT metrics from the Eulerpool API in Go — copy-paste setup, the live endpoint, and a production-ready snippet.
Real EstateRead →
guide
Market Holidays & Hours API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for market status — licensing, breakage, and a drop-in JSON API.
ReferenceRead →
new
MCP Financial Data Server API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed MCP financial tools — REST plus native MCP tools, no scraping.
AIRead →
guide
Stock Screener API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for stock screeners — licensing, breakage, and a drop-in JSON API.
EquitiesRead →
new
Stock Seasonality API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed seasonality patterns — REST plus native MCP tools, no scraping.
ResearchRead →
new
VIX Index Data API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed VIX data — REST plus native MCP tools, no scraping.
DerivativesRead →
guide
Shares Outstanding API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for shares outstanding — licensing, breakage, and a drop-in JSON API.
FundamentalsRead →
guide
Fear & Greed Index API: Complete Developer Guide
Everything in the Eulerpool fear and greed API: endpoint, fields, history depth, and how teams actually use it in production.
SentimentRead →
guide
How to Get SEC Filings in JavaScript (Financial Data API)
Pull SEC filings from the Eulerpool API in JavaScript — copy-paste setup, the live endpoint, and a production-ready snippet.
FilingsRead →
guide
Real-Time Stock Quotes in Excel and Google Sheets
Load real-time stock quotes into a spreadsheet with =EP.PRICE("MSFT") — no CSV export step.
EquitiesRead →
guide
Executive Compensation in Excel and Google Sheets
Load executive compensation into a spreadsheet with =EP.PAY("AAPL") — no CSV export step.
FilingsRead →
guide
How to Get Sovereign CDS Spreads in Go (Financial Data API)
Pull sovereign CDS from the Eulerpool API in Go — copy-paste setup, the live endpoint, and a production-ready snippet.
Fixed IncomeRead →
improvement
Intraday Stock Bars JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool intraday bars endpoint — what you get, how it’s updated, and how it counts against quota.
EquitiesRead →
guide
Green Bonds in Excel and Google Sheets
Load green bonds into a spreadsheet with =EP.GREEN("EU") — no CSV export step.
ESGRead →
guide
How to Get Risk Metrics in JavaScript (Financial Data API)
Pull risk metrics from the Eulerpool API in JavaScript — copy-paste setup, the live endpoint, and a production-ready snippet.
RiskRead →
guide
Short Interest API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for short interest — licensing, breakage, and a drop-in JSON API.
EquitiesRead →
improvement
Credit Ratings JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool credit ratings endpoint — what you get, how it’s updated, and how it counts against quota.
Fixed IncomeRead →
guide
Build with the Batch Stock Quotes API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool batch quotes — screens, alerts, agents, and research notebooks.
EquitiesRead →
new
Options Chains API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed options chains — REST plus native MCP tools, no scraping.
DerivativesRead →
guide
Build with the Bulk Market Data Downloads API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool bulk data exports — screens, alerts, agents, and research notebooks.
DeliveryRead →
improvement
Sovereign Wealth Fund Holdings JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool sovereign wealth funds endpoint — what you get, how it’s updated, and how it counts against quota.
OwnershipRead →
guide
Proxy Voting & Governance API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for proxy voting — licensing, breakage, and a drop-in JSON API.
ESGRead →
new
Implied Volatility API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed implied volatility — REST plus native MCP tools, no scraping.
DerivativesRead →
guide
How to Get Stock Prices in Python (Financial Data API)
Pull stock prices from the Eulerpool API in Python — copy-paste setup, the live endpoint, and a production-ready snippet.
EquitiesRead →
improvement
Level 2 Order Book JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool Level 2 order books endpoint — what you get, how it’s updated, and how it counts against quota.
Market StructureRead →
improvement
Earnings Calendar JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool earnings calendars endpoint — what you get, how it’s updated, and how it counts against quota.
CalendarRead →
guide
How to Get ETF Holdings in R (Financial Data API)
Pull ETF holdings from the Eulerpool API in R — copy-paste setup, the live endpoint, and a production-ready snippet.
ETFsRead →
guide
13F Institutional Holdings in Excel and Google Sheets
Load 13F holdings into a spreadsheet with =EP.HOLDINGS("0001067983") — no CSV export step.
OwnershipRead →
guide
Build with the Supply Chain Mapping API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool supply chain data — screens, alerts, agents, and research notebooks.
AlternativeRead →
guide
REIT Analytics API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for REIT metrics — licensing, breakage, and a drop-in JSON API.
Real EstateRead →
guide
Gold Prices in Excel and Google Sheets
Load gold prices into a spreadsheet with =EP.GOLD("XAU") — no CSV export step.
CommoditiesRead →
new
Free Level 2 Order Book API — JSON, No Credit Card
Access Level 2 order books on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
Market StructureRead →
guide
How to Get Commodity Prices in Go (Financial Data API)
Pull commodity prices from the Eulerpool API in Go — copy-paste setup, the live endpoint, and a production-ready snippet.
CommoditiesRead →
guide
Index Constituents API: Complete Developer Guide
Everything in the Eulerpool index constituents API: endpoint, fields, history depth, and how teams actually use it in production.
EquitiesRead →
guide
Build with the Forex Rates API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool forex rates — screens, alerts, agents, and research notebooks.
ForexRead →
new
Free Stock Seasonality API — JSON, No Credit Card
Access seasonality patterns on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
ResearchRead →
guide
Build with the Financial Ratios API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool financial ratios — screens, alerts, agents, and research notebooks.
FundamentalsRead →
guide
Carbon Credit Prices API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for carbon credits — licensing, breakage, and a drop-in JSON API.
ESGRead →
guide
ISIN and Ticker Search API: Complete Developer Guide
Everything in the Eulerpool ISIN lookup API: endpoint, fields, history depth, and how teams actually use it in production.
ReferenceRead →
guide
M&A Deal Flow API: Complete Developer Guide
Everything in the Eulerpool M&A deals API: endpoint, fields, history depth, and how teams actually use it in production.
EventsRead →
guide
Short Interest API: Complete Developer Guide
Everything in the Eulerpool short interest API: endpoint, fields, history depth, and how teams actually use it in production.
EquitiesRead →
new
Free Real-Time Stock Quotes API — JSON, No Credit Card
Access real-time stock quotes on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
EquitiesRead →
guide
Supply Chain Mapping API: Complete Developer Guide
Everything in the Eulerpool supply chain data API: endpoint, fields, history depth, and how teams actually use it in production.
AlternativeRead →
guide
Build with the Market Holidays & Hours API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool market status — screens, alerts, agents, and research notebooks.
ReferenceRead →
improvement
Market Breadth JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool market breadth endpoint — what you get, how it’s updated, and how it counts against quota.
EquitiesRead →
guide
How to Get Executive Compensation in Go (Financial Data API)
Pull executive compensation from the Eulerpool API in Go — copy-paste setup, the live endpoint, and a production-ready snippet.
FilingsRead →
guide
How to Get Sovereign Wealth Fund Holdings in cURL (Financial Data API)
Pull sovereign wealth funds from the Eulerpool API in cURL — copy-paste setup, the live endpoint, and a production-ready snippet.
OwnershipRead →
guide
Market Cap History API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for market capitalization — licensing, breakage, and a drop-in JSON API.
EquitiesRead →
guide
Implied Volatility API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for implied volatility — licensing, breakage, and a drop-in JSON API.
DerivativesRead →
improvement
Stock Peers JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool stock peers endpoint — what you get, how it’s updated, and how it counts against quota.
EquitiesRead →
guide
Income Statements in Excel and Google Sheets
Load income statements into a spreadsheet with =EP.INCOME("AAPL") — no CSV export step.
FundamentalsRead →
guide
Macroeconomic Data API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for macroeconomic indicators — licensing, breakage, and a drop-in JSON API.
MacroRead →
guide
Employee Count Data API: Complete Developer Guide
Everything in the Eulerpool employee counts API: endpoint, fields, history depth, and how teams actually use it in production.
FundamentalsRead →
guide
Build with the Dividend Data API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool dividend data — screens, alerts, agents, and research notebooks.
EquitiesRead →
guide
Forex Rates API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for forex rates — licensing, breakage, and a drop-in JSON API.
ForexRead →
new
Patent Analytics API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed patent filings — REST plus native MCP tools, no scraping.
AlternativeRead →
guide
SEC Filings API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for SEC filings — licensing, breakage, and a drop-in JSON API.
FilingsRead →
new
Market Breadth API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed market breadth — REST plus native MCP tools, no scraping.
EquitiesRead →
new
Free SOFR and Money Markets API — JSON, No Credit Card
Access SOFR rates on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
Fixed IncomeRead →
new
Free ESG Scores API — JSON, No Credit Card
Access ESG scores on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
ESGRead →
new
Gold Prices API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed gold prices — REST plus native MCP tools, no scraping.
CommoditiesRead →
guide
Superinvestor Holdings API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for superinvestor holdings — licensing, breakage, and a drop-in JSON API.
OwnershipRead →
new
ETF Fund Flows API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed ETF fund flows — REST plus native MCP tools, no scraping.
ETFsRead →
improvement
Technical Indicators JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool technical indicators endpoint — what you get, how it’s updated, and how it counts against quota.
EquitiesRead →
guide
How to Get Balance Sheets in R (Financial Data API)
Pull balance sheets from the Eulerpool API in R — copy-paste setup, the live endpoint, and a production-ready snippet.
FundamentalsRead →
guide
Batch Stock Quotes API: Complete Developer Guide
Everything in the Eulerpool batch quotes API: endpoint, fields, history depth, and how teams actually use it in production.
EquitiesRead →
guide
ADR and Cross-Listings API: Complete Developer Guide
Everything in the Eulerpool ADR data API: endpoint, fields, history depth, and how teams actually use it in production.
EquitiesRead →
guide
WebSocket Stock Streaming API: Complete Developer Guide
Everything in the Eulerpool WebSocket streaming API: endpoint, fields, history depth, and how teams actually use it in production.
StreamingRead →
guide
How to Get Congressional Trading in cURL (Financial Data API)
Pull congressional trades from the Eulerpool API in cURL — copy-paste setup, the live endpoint, and a production-ready snippet.
OwnershipRead →
guide
Share Buybacks API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for share buybacks — licensing, breakage, and a drop-in JSON API.
FundamentalsRead →
guide
Earnings Call Transcripts API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for earnings transcripts — licensing, breakage, and a drop-in JSON API.
ResearchRead →
guide
Options Chains API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for options chains — licensing, breakage, and a drop-in JSON API.
DerivativesRead →
new
Historical Stock Data API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed historical OHLCV — REST plus native MCP tools, no scraping.
EquitiesRead →
guide
Securities Lending API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for securities lending — licensing, breakage, and a drop-in JSON API.
Market StructureRead →
new
ESG Scores API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed ESG scores — REST plus native MCP tools, no scraping.
ESGRead →
guide
Build with the VIX Index Data API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool VIX data — screens, alerts, agents, and research notebooks.
DerivativesRead →
guide
Revenue Segments API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for revenue segments — licensing, breakage, and a drop-in JSON API.
FundamentalsRead →
guide
Asset Correlation API: Complete Developer Guide
Everything in the Eulerpool correlation matrices API: endpoint, fields, history depth, and how teams actually use it in production.
RiskRead →
guide
Historical Stock Data in Excel and Google Sheets
Load historical OHLCV into a spreadsheet with =EP.HISTORY("NVDA") — no CSV export step.
EquitiesRead →
guide
Revenue Segments API: Complete Developer Guide
Everything in the Eulerpool revenue segments API: endpoint, fields, history depth, and how teams actually use it in production.
FundamentalsRead →
new
Free Implied Volatility API — JSON, No Credit Card
Access implied volatility on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
DerivativesRead →
improvement
Commodity Prices JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool commodity prices endpoint — what you get, how it’s updated, and how it counts against quota.
CommoditiesRead →
guide
Treasury Yields API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for Treasury yields — licensing, breakage, and a drop-in JSON API.
Fixed IncomeRead →
guide
How to Get Proxy Voting & Governance in JavaScript (Financial Data API)
Pull proxy voting from the Eulerpool API in JavaScript — copy-paste setup, the live endpoint, and a production-ready snippet.
ESGRead →
guide
Economic Calendar in Excel and Google Sheets
Load economic calendars into a spreadsheet with =EP.CALENDAR("US") — no CSV export step.
MacroRead →
improvement
Proxy Voting & Governance JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool proxy voting endpoint — what you get, how it’s updated, and how it counts against quota.
ESGRead →
guide
How to Get Index Constituents in Excel (Financial Data API)
Pull index constituents from the Eulerpool API in Excel — copy-paste setup, the live endpoint, and a production-ready snippet.
EquitiesRead →
guide
Technical Indicators in Excel and Google Sheets
Load technical indicators into a spreadsheet with =EP.RSI("AAPL") — no CSV export step.
EquitiesRead →
new
Revenue Segments API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed revenue segments — REST plus native MCP tools, no scraping.
FundamentalsRead →
guide
ISIN and Ticker Search in Excel and Google Sheets
Load ISIN lookup into a spreadsheet with =EP.SEARCH("US0378331005") — no CSV export step.
ReferenceRead →
guide
Risk Metrics API: Complete Developer Guide
Everything in the Eulerpool risk metrics API: endpoint, fields, history depth, and how teams actually use it in production.
RiskRead →
improvement
Corporate Lobbying Data JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool lobbying spend endpoint — what you get, how it’s updated, and how it counts against quota.
AlternativeRead →
guide
13F Institutional Holdings API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for 13F holdings — licensing, breakage, and a drop-in JSON API.
OwnershipRead →
new
Free FRED Economic Data API — JSON, No Credit Card
Access FRED series on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
MacroRead →
guide
Market Breadth API: Complete Developer Guide
Everything in the Eulerpool market breadth API: endpoint, fields, history depth, and how teams actually use it in production.
EquitiesRead →
guide
M&A Deal Flow API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for M&A deals — licensing, breakage, and a drop-in JSON API.
EventsRead →
new
Free CFTC COT Data API — JSON, No Credit Card
Access COT reports on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
AlternativeRead →
new
IPO Calendar API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed IPO calendars — REST plus native MCP tools, no scraping.
CalendarRead →
guide
Revenue Segments in Excel and Google Sheets
Load revenue segments into a spreadsheet with =EP.SEGMENTS("AAPL") — no CSV export step.
FundamentalsRead →
new
Custom index builder API — Create proprietary indices programmatically
Build and maintain custom stock indices with the Eulerpool API. Define constituent universes, weighting methodologies (market cap, equal, fundamental, or custom), rebalancing schedules, and backtest your index against benchmarks with full historical simulation.
EquitiesRead →
new
AI-powered earnings call analysis — NLP insights from 10,000+ transcripts
Machine learning models analyze every earnings call transcript to extract management sentiment, forward guidance signals, key topic frequency, and risk factor mentions. Quantify qualitative data at scale for 10,000+ US-listed companies.
EquitiesRead →
new
Dark pool and off-exchange data — ATS volume and trade routing analytics
Access FINRA-reported dark pool volume, off-exchange trade percentages, and alternative trading system activity for all US equities. Essential for understanding true liquidity, institutional order flow, and market microstructure analysis.
DerivativesRead →
new
Free REIT Analytics API — JSON, No Credit Card
Access REIT metrics on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
Real EstateRead →
guide
Sovereign CDS Spreads API: Complete Developer Guide
Everything in the Eulerpool sovereign CDS API: endpoint, fields, history depth, and how teams actually use it in production.
Fixed IncomeRead →
guide
How to Get Patent Analytics in Excel (Financial Data API)
Pull patent filings from the Eulerpool API in Excel — copy-paste setup, the live endpoint, and a production-ready snippet.
AlternativeRead →
new
Fear & Greed Index API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed fear and greed — REST plus native MCP tools, no scraping.
SentimentRead →
new
Free IPO Calendar API — JSON, No Credit Card
Access IPO calendars on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
CalendarRead →
guide
How to Get Fair Value Estimates in R (Financial Data API)
Pull fair value estimates from the Eulerpool API in R — copy-paste setup, the live endpoint, and a production-ready snippet.
ResearchRead →
guide
Index Constituents API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for index constituents — licensing, breakage, and a drop-in JSON API.
EquitiesRead →
guide
Insider Trading in Excel and Google Sheets
Load insider trades into a spreadsheet with =EP.INSIDER("AAPL") — no CSV export step.
OwnershipRead →
improvement
Financial News JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool financial news endpoint — what you get, how it’s updated, and how it counts against quota.
SentimentRead →
new
Income Statements API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed income statements — REST plus native MCP tools, no scraping.
FundamentalsRead →
improvement
13F Institutional Holdings JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool 13F holdings endpoint — what you get, how it’s updated, and how it counts against quota.
OwnershipRead →
guide
Futures Term Structure API: Complete Developer Guide
Everything in the Eulerpool futures curves API: endpoint, fields, history depth, and how teams actually use it in production.
DerivativesRead →
guide
Build with the CFTC COT Data API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool COT reports — screens, alerts, agents, and research notebooks.
AlternativeRead →
new
Free Earnings Calendar API — JSON, No Credit Card
Access earnings calendars on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
CalendarRead →
guide
Build with the Treasury Yields API: Practical Use Cases
How quants, fintechs, and AI apps use Eulerpool Treasury yields — screens, alerts, agents, and research notebooks.
Fixed IncomeRead →
new
Free Superinvestor Holdings API — JSON, No Credit Card
Access superinvestor holdings on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
OwnershipRead →
new
Real-Time Stock Quotes API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed real-time stock quotes — REST plus native MCP tools, no scraping.
EquitiesRead →
new
Free Green Bonds API — JSON, No Credit Card
Access green bonds on Eulerpool’s free tier (10,000 requests/month). Same JSON schema as paid.
ESGRead →
new
Commodity Prices API for AI Agents and MCP Clients
Give Claude, Cursor, or a custom agent typed commodity prices — REST plus native MCP tools, no scraping.
CommoditiesRead →
guide
How to Get SOFR and Money Markets in cURL (Financial Data API)
Pull SOFR rates from the Eulerpool API in cURL — copy-paste setup, the live endpoint, and a production-ready snippet.
Fixed IncomeRead →
improvement
IPO Calendar JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool IPO calendars endpoint — what you get, how it’s updated, and how it counts against quota.
CalendarRead →
improvement
Green Bonds JSON API: Fields, Examples, and Limits
Field-level tour of the Eulerpool green bonds endpoint — what you get, how it’s updated, and how it counts against quota.
ESGRead →
guide
How to Get M&A Deal Flow in Python (Financial Data API)
Pull M&A deals from the Eulerpool API in Python — copy-paste setup, the live endpoint, and a production-ready snippet.
EventsRead →
guide
ADR and Cross-Listings API vs Scraping Yahoo Finance
Why production systems stopped scraping Yahoo for ADR data — licensing, breakage, and a drop-in JSON API.
EquitiesRead →
new
MCP Server — Native Model Context Protocol support
Eulerpool is now a native MCP server. Connect Claude, Cursor, Windsurf, or any MCP-compatible AI agent to institutional-grade financial data with a single line of configuration.
AIRead →
new
Excel and Google Sheets add-in — Financial data in your spreadsheet
Pull real-time stock prices, financial statements, analyst estimates, and macroeconomic data directly into Excel or Google Sheets. No coding required — install the add-in and use simple formulas like =EP.PRICE("AAPL") to access 100,000+ securities.
SpreadsheetsRead →
new
R SDK v1 — Native R client with tidyverse integration
Official R package for the Eulerpool API. Built for quantitative analysts and academic researchers with native tibble output, pipe-friendly syntax, and seamless integration with ggplot2, dplyr, and the tidyverse ecosystem.
SDKsRead →
new
Java SDK v1 — Enterprise-grade client with Spring Boot integration
Official Java SDK for the Eulerpool API. Built for enterprise applications with Spring Boot auto-configuration, reactive WebClient support, connection pooling, and circuit breaker patterns. Compatible with Java 17+, Kotlin, and Gradle/Maven build systems.
SDKsRead →
new
WebSocket streaming — Real-time data via persistent connections
Subscribe to real-time price updates via WebSocket. Sub-10ms latency with microsecond timestamps. Available on Pro and Enterprise plans.
StreamingRead →
improvement
Superinvestor portfolio tracking — 13F filings parsed in real time
Track the holdings and trades of Warren Buffett, Ray Dalio, Bill Ackman, and 500+ institutional investors. Parsed from SEC 13F filings within hours of publication, with position-level changes, new buys, and complete sells.
OwnershipRead →
new
Real-time order book data — Level 2 market depth and bid/ask queues
Access Level 2 market depth data with full order book snapshots and incremental updates. See bid and ask queues at every price level for US equities, giving you the granularity needed for execution analysis, market making, and liquidity assessment.
EquitiesRead →
improvement
Batch endpoints — Query 100 symbols in one call
New batch endpoints let you query up to 100 symbols in a single API call. One call = one request against your daily limit, regardless of how many symbols you include.
EquitiesRead →
new
Congressional trading tracker — Real-time STOCK Act disclosures
Access every stock trade reported by US senators and representatives under the STOCK Act. Parsed from official disclosures within hours, with politician profiles, party breakdowns, and historical trading performance.
OwnershipRead →
new
Revenue segmentation API — Business line and geographic breakdowns
Access revenue breakdowns by business segment, product line, and geography for 5,000+ public companies. Parsed from 10-K annual filings and earnings supplements, fully normalized for cross-company comparison and segment-level investment analysis.
EquitiesRead →
new
Share buyback and capital return tracker — Repurchase programs via API
Track share repurchase programs, buyback execution rates, and total capital return metrics for every US public company. Monitor board authorizations, quarterly buyback volumes, and remaining program capacity to assess shareholder return priorities.
EquitiesRead →
new
M&A deal pipeline — Merger and acquisition tracker with deal terms
Track every announced merger, acquisition, and leveraged buyout in real time. Access deal terms, premium paid, financing structure, regulatory status, and expected closing dates. Essential for merger arbitrage strategies and corporate event analysis.
EquitiesRead →
new
Debt maturity schedule API — Corporate bond maturities and refinancing risk
Access the complete debt maturity profile for every public company. See upcoming bond maturities, coupon payments, credit facility expirations, and refinancing needs broken down by year. Critical for credit analysis, distressed investing, and financial modeling.
Fixed IncomeRead →
new
Macroeconomic data API — 200+ countries, 1,000+ indicators
Full macroeconomic data coverage including GDP, CPI, interest rates, unemployment, PMI, and trade balance across 200+ countries.
MacroRead →
new
Analyst estimates and consensus data — Wall Street coverage at API scale
Access Wall Street analyst estimates for revenue, EPS, EBITDA, and free cash flow. Includes consensus data, individual analyst ratings, price targets, and earnings surprise history for 10,000+ stocks globally.
EquitiesRead →
new
Executive compensation data — C-suite pay packages and equity awards
Access CEO, CFO, and named executive officer compensation data parsed from DEF 14A proxy statements. Total compensation, base salary, annual bonus, stock awards, option grants, and pension values for 5,000+ US public companies.
EquitiesRead →
new
Supply chain mapping API — Supplier, customer, and partner relationships
Map corporate supply chains with supplier and customer relationship data extracted from SEC filings, earnings calls, and proprietary databases. Identify revenue concentration risks, trace dependencies, and monitor supply chain disruptions in real time.
EquitiesRead →
new
Lobbying and political spending data — Corporate influence via API
Access corporate lobbying expenditures, PAC contributions, and political spending disclosures for every US public company. Parsed from OpenSecrets, FEC filings, and Senate lobbying disclosures with industry-level aggregation and trend analysis.
EquitiesRead →
improvement
Python SDK v2 — Async support and pandas integration
Major update to the Python SDK with native async/await support, direct pandas DataFrame output, and improved type hints.
SDKsRead →
new
Insider trading data — SEC Form 4 filings via API
Real-time access to insider buys and sells from SEC Form 4 filings. Track purchases and dispositions by CEOs, CFOs, directors, and 10% owners across all US-listed companies.
OwnershipRead →
new
Social media sentiment — Reddit, X, and StockTwits buzz analytics
Track retail investor sentiment across Reddit (r/wallstreetbets, r/stocks), X (formerly Twitter), and StockTwits in real time. Mention volume, sentiment polarity, trending tickers, and viral post detection — updated every 15 minutes.
SentimentRead →
new
Fair value estimates API — Intrinsic value models for 8,000+ stocks
Access model-derived fair value estimates based on discounted cash flow analysis, comparable company multiples, and dividend discount models. Compare current market prices to estimated intrinsic value with margin of safety calculations for value investing.
EquitiesRead →
new
Patent filing analytics — Innovation metrics from USPTO and EPO data
Track corporate innovation activity through patent filings, grants, and citations. Access USPTO and European Patent Office data with company-level patent counts, technology classifications, citation networks, and R&D productivity metrics for 10,000+ companies.
FilingsRead →
new
Options & futures data — Full derivatives coverage
Complete US options chain data with Greeks, implied volatility surfaces, and futures term structure curves.
DerivativesRead →
new
Dividend calendar and history API — Ex-dates, pay dates, and yield data
Comprehensive dividend data including upcoming ex-dividend dates, payment schedules, dividend yield, payout ratios, and complete dividend history. Covers common stocks, REITs, ETFs, and preferred shares.
Fixed IncomeRead →
new
Volatility data API — VIX, implied vol rank, skew, and term structure
Access real-time and historical volatility data including the CBOE VIX index, individual stock IV rank and percentile, volatility skew curves, and term structure. Essential for options pricing, risk management, and volatility trading strategies.
DerivativesRead →
new
Sector rotation analytics — Relative strength and fund flow rotation
Analyze sector rotation dynamics with relative strength rankings, fund flow momentum, and business cycle phase indicators. Identify which sectors are leading or lagging the market with quantitative models based on price momentum, earnings revisions, and ETF flows.
FilingsRead →
new
Stock screener API — Filter 100,000+ securities programmatically
Build custom stock screeners in your application with 200+ fundamental, technical, and alternative filters. Screen by valuation multiples, growth metrics, profitability ratios, technical indicators, and sector classification.
FilingsRead →
new
Earnings calendar API — Reporting dates, EPS estimates, and transcripts
Never miss an earnings date. Access confirmed and estimated reporting dates, pre-market vs. after-hours timing, EPS and revenue estimates, and actual results as soon as they are released.
EquitiesRead →
new
Market breadth indicators — Advance/decline, new highs/lows, McClellan oscillator
Track market-wide breadth indicators to gauge the health and direction of the overall stock market. Advance/decline ratios, new 52-week highs and lows, McClellan oscillator and summation index, Arms (TRIN) index, and percent of stocks above key moving averages.
EquitiesRead →
new
Backtesting engine API — Server-side strategy testing with one call
Backtest trading strategies entirely server-side without downloading raw data. Define entry/exit rules, position sizing, rebalancing frequency, and receive full performance analytics including returns, drawdowns, Sharpe ratio, and trade-by-trade logs.
EquitiesRead →
new
Correlation matrix API — Cross-asset correlation and covariance analysis
Generate correlation and covariance matrices for any set of assets over any time period. Essential for portfolio construction, diversification analysis, and risk management. Supports equities, ETFs, bonds, commodities, FX, and crypto in a single matrix.
EquitiesRead →
new
ETF holdings and flow data — Complete ETF analytics
Full ETF coverage with daily updated holdings, sector breakdowns, country allocations, and fund flow data. Covers 3,000+ US-listed ETFs including leveraged, inverse, and thematic funds.
ETFsRead →
improvement
Historical intraday data — 1-minute bars back to 2010
Extended intraday price history now available for US equities. Download 1-minute, 5-minute, 15-minute, 30-minute, and 1-hour OHLCV bars with adjusted prices and volume going back to 2010.
EquitiesRead →
new
Shareholder activism tracker — 13D filings, proxy fights, and campaigns
Monitor activist investor campaigns in real time. Track Schedule 13D filings, proxy fight announcements, board seat demands, and campaign outcomes for Elliott, Icahn, Starboard, ValueAct, and 200+ other activist investors worldwide.
FilingsRead →
new
Global trade data — Import/export volumes by country and commodity
Access international trade flow data covering import and export volumes, trade balances, and tariff schedules across 200+ countries and 5,000+ commodity codes. Track global supply chain shifts, trade war impacts, and commodity demand patterns.
DerivativesRead →
new
IPO calendar and SPAC tracker — New listing data via API
Track upcoming IPOs, recent listings, and SPAC mergers. Includes pricing details, underwriters, valuation metrics, and first-day performance data.
EquitiesRead →
new
Financial statements API — Income statement, balance sheet, cash flow
Access standardized financial statements for 10,000+ public companies. Quarterly and annual income statements, balance sheets, and cash flow statements with 20+ years of history, fully normalized for cross-company comparison.
EquitiesRead →
improvement
GICS and industry classification — Sector, industry group, and sub-industry codes
Every company now includes Global Industry Classification Standard (GICS) codes, ICB sector classifications, SIC codes, and NAICS codes. Filter, screen, and group securities by standardized industry taxonomies used by institutional investors and index providers worldwide.
FilingsRead →
new
Consumer spending indicators — Credit card trends and retail analytics
Track consumer spending patterns through anonymized and aggregated credit card transaction data, retail foot traffic, and e-commerce metrics. Identify revenue trends before earnings reports with alternative data signals covering 500+ public retailers and consumer brands.
Fixed IncomeRead →
new
Cryptocurrency market data — 5,000+ coins and tokens
Real-time and historical pricing for 5,000+ cryptocurrencies across 20+ exchanges. Includes market cap rankings, trading volume, circulating supply, and OHLCV candles from 1-minute to monthly intervals.
CryptoRead →
new
Forex rates API — 150+ currency pairs with tick-level data
Real-time and historical foreign exchange rates for 150+ currency pairs. Includes spot rates, forward rates, and cross rates with bid/ask spreads. Ideal for currency conversion, FX risk management, and international financial modeling.
ForexRead →
new
Money market rates API — SOFR, SONIA, EURIBOR, and overnight benchmarks
Access real-time and historical money market benchmark rates including SOFR, Fed Funds, SONIA, EURIBOR, and 20+ other interbank reference rates. Critical for derivatives pricing, floating-rate loan benchmarking, and fixed income portfolio valuation.
Fixed IncomeRead →
new
Private company financials — Revenue and valuation for 500,000+ firms
Access estimated revenue, valuation, employee count, funding history, and ownership data for 500,000+ private companies worldwide. Powered by regulatory filings, news extraction, and proprietary models for pre-IPO analysis, competitive intelligence, and private market research.
EquitiesRead →
new
Satellite and alternative data signals — Foot traffic, shipping, and aerial imagery
Access alternative data derived from satellite imagery, mobile device geolocation, and IoT sensors. Retail foot traffic counts, parking lot occupancy, oil storage tank fill levels, shipping container volumes, and agricultural crop health indices for data-driven investing.
EquitiesRead →
new
Bond and fixed income data — Government and corporate bonds
Comprehensive fixed income coverage including US Treasury yields, corporate bond spreads, municipal bonds, and sovereign debt. Yield curves, credit ratings, maturity profiles, and coupon schedules for institutional-grade fixed income analytics.
Fixed IncomeRead →
improvement
Node.js SDK v1 — TypeScript-first with tree shaking
Official Node.js SDK for the Eulerpool API. Fully typed with TypeScript declarations, tree-shakeable ESM exports, and built-in retry logic. Works with Node.js 18+, Deno, and Bun.
SDKsRead →
new
Government bond auction data — Treasury auction results and demand metrics
Access results from US Treasury auctions including accepted yields, bid-to-cover ratios, direct and indirect bidder allocations, and tail spreads. Covers T-bills, T-notes, T-bonds, TIPS, and FRNs with auction data back to 2000.
Fixed IncomeRead →
new
Credit ratings API — Corporate and sovereign credit ratings with history
Access current credit ratings and complete rating action history for corporate bonds, sovereign debt, and structured products. Track upgrades, downgrades, outlook changes, and watch placements from all three major rating agencies.
Fixed IncomeRead →
new
Sovereign CDS spreads — Country credit risk pricing via API
Access real-time and historical credit default swap spreads for 80+ sovereign issuers. CDS spreads provide market-implied default probabilities and credit risk pricing that complement fundamental credit ratings for sovereign debt analysis and emerging market risk assessment.
Fixed IncomeRead →
new
Green bond and sustainable finance data — ESG-labeled debt instruments
Access the growing universe of green bonds, social bonds, sustainability-linked bonds, and transition bonds. Issuance data, use-of-proceeds categories, second-party opinions, and alignment with the EU Taxonomy, ICMA Green Bond Principles, and Climate Bonds Standard.
Fixed IncomeRead →
new
Mutual fund data API — NAV, holdings, and performance
Access net asset values, portfolio holdings, expense ratios, and total return performance for 30,000+ mutual funds. Includes Morningstar-style category classification, risk metrics, and historical NAV going back 20+ years.
EquitiesRead →
new
News and sentiment API — Financial news with NLP scoring
Real-time financial news aggregated from 1,000+ sources with machine learning sentiment scores. Filter by ticker, sector, or topic. Ideal for event-driven trading strategies, media monitoring, and alternative data analysis.
SentimentRead →
new
Real estate and REIT analytics — NOI, FFO, cap rates, and property data
Specialized analytics for real estate investment trusts and property companies. Access funds from operations (FFO), net operating income (NOI), capitalization rates, occupancy rates, and property-level data for 200+ publicly traded REITs across all property types.
Real EstateRead →
new
Pension and endowment data — Institutional allocation and performance
Track the investment allocations, returns, and asset class exposures of 1,000+ US public pension funds and university endowments. Understand how the largest institutional investors allocate across equities, fixed income, real estate, private equity, and hedge funds.
EquitiesRead →
new
Hedge fund performance indices — Strategy-level returns and AUM tracking
Access hedge fund performance data aggregated by strategy. Track returns for long/short equity, global macro, event-driven, managed futures, credit, and multi-strategy funds. Includes AUM trends, fund flow data, and dispersion metrics for manager selection.
EquitiesRead →
new
Commodities data API — Metals, energy, and agriculture
Real-time and historical pricing for 50+ commodities including gold, silver, crude oil (WTI & Brent), natural gas, wheat, corn, soybeans, coffee, and more. Spot prices, futures curves, and seasonal patterns.
EquitiesRead →
new
Index constituents API — S&P 500, NASDAQ-100, Russell 2000, and more
Retrieve current and historical constituents of major stock market indices. Know exactly which stocks are in the S&P 500, NASDAQ-100, Dow Jones, Russell 2000, FTSE 100, DAX 40, and 50+ other indices worldwide.
EquitiesRead →
new
Convertible bonds and preferred stock data — Hybrid securities via API
Access pricing, terms, and analytics for convertible bonds, preferred stock, and other hybrid securities. Conversion ratios, call schedules, credit spreads, and theoretical value for convertible arbitrage and income-focused investment strategies.
Fixed IncomeRead →
new
Warrant and rights offering data — Derivative equity securities via API
Access pricing, terms, and exercise schedules for equity warrants, SPAC warrants, and shareholder rights offerings. Includes strike prices, expiration dates, dilution calculations, and theoretical value based on Black-Scholes and binomial models.
FilingsRead →
new
Carbon credit and emissions trading data — EU ETS, RGGI, and voluntary markets
Track carbon credit prices, trading volumes, and allowance allocations across major emissions trading systems. Covers EU ETS, RGGI, California Cap-and-Trade, and voluntary carbon offset markets for ESG compliance, carbon portfolio management, and climate-focused investing.
Fixed IncomeRead →
new
Company profiles and search — Ticker lookup and company metadata
Search for companies by name, ticker, ISIN, or CUSIP. Get comprehensive company profiles including sector, industry, employees, market cap, description, executives, and exchange listing details.
EquitiesRead →
improvement
Rate limit upgrade — 5x higher limits across all plans
Increased rate limits for every pricing tier. Free plan now allows 5 requests/second. Pro plan increased to 30 requests/second. Enterprise customers get dedicated rate limits with burst capacity.
EquitiesRead →
improvement
API sandbox and playground — Interactive testing with sample data
Test any API endpoint instantly in the browser with pre-configured sample data. The interactive playground includes auto-generated code snippets in Python, JavaScript, Go, and R, response previews with syntax highlighting, and request history for debugging.
EquitiesRead →
new
Proxy voting and corporate governance data — ISS and Glass Lewis recommendations
Access proxy voting records, shareholder proposal outcomes, board composition analytics, and governance best practice scores. Includes ISS and Glass Lewis vote recommendations for say-on-pay, director elections, and shareholder proposals across all Russell 3000 companies.
ESGRead →
new
Technical indicators API — SMA, EMA, RSI, MACD, and 50+ more
Compute technical indicators server-side without downloading raw data. 50+ indicators including simple and exponential moving averages, RSI, MACD, Bollinger Bands, ATR, Stochastic oscillator, and Fibonacci retracement levels.
EquitiesRead →
new
ESG scores and sustainability data — Environmental, social, governance ratings
Access ESG ratings, carbon emission data, diversity metrics, and governance scores for 8,000+ companies. Aligned with SASB, GRI, and TCFD frameworks for sustainable investing and ESG screening.
ESGRead →
new
Cross-listing and ADR data — Depositary receipts and dual-listed securities
Access American Depositary Receipt (ADR) data including underlying foreign shares, depositary banks, ADR ratios, and cross-listed security mappings. Essential for international portfolio construction, ADR arbitrage, and foreign equity analysis.
FilingsRead →
new
Bank regulatory capital data — Basel III ratios and stress test results
Access regulatory capital ratios, leverage ratios, liquidity coverage ratios, and Federal Reserve stress test results for all US and European banks. Essential for bank stock analysis, credit risk assessment, and regulatory compliance monitoring.
EquitiesRead →
new
Insurance statutory filings — NAIC data for P&C and life insurers
Access insurance company statutory financial data from NAIC filings. Combined ratios, loss ratios, premium growth, reserve adequacy, and risk-based capital ratios for property & casualty, life, and health insurance companies listed on US exchanges.
FilingsRead →
new
SEC filings API — 10-K, 10-Q, 8-K, and all SEC forms
Programmatic access to SEC EDGAR filings. Retrieve 10-K annual reports, 10-Q quarterly reports, 8-K current events, proxy statements, and all other SEC forms with full-text search and parsed financial data.
FilingsRead →
improvement
International market expansion — 30 new exchanges added
Added coverage for 30 new stock exchanges including Johannesburg (JSE), Saudi (Tadawul), Taiwan (TWSE), Vietnam (HOSE), and Buenos Aires (BCBA). Eulerpool now covers 90+ exchanges across 50+ countries.
EquitiesRead →
new
Economic calendar API — Central bank meetings, NFP, CPI, and GDP release dates
Never miss a market-moving economic event. Access the complete economic calendar with central bank rate decisions, non-farm payrolls, CPI releases, GDP reports, PMI data, and 500+ other scheduled macroeconomic releases across 50+ countries.
MacroRead →
new
Sovereign wealth fund tracker — Government investment fund holdings
Track the equity holdings and investment strategies of 40+ sovereign wealth funds worldwide. Access portfolio allocations for Norway GPFG, Abu Dhabi ADIA, Singapore GIC and Temasek, Saudi PIF, and other major government-owned investment vehicles.
EquitiesRead →
new
Short interest and fail-to-deliver data — Borrow analytics via API
Track short selling activity with bi-weekly short interest reports, daily fail-to-deliver data from the SEC, short interest ratio (days to cover), and short percent of float for all US equities.
EquitiesRead →
new
Corporate actions API — Splits, mergers, spin-offs, and more
Access all corporate actions including stock splits, reverse splits, mergers, acquisitions, spin-offs, rights offerings, and name changes. Essential for maintaining adjusted price series and portfolio tracking.
EquitiesRead →
new
Securities lending data — Short availability, borrow cost, and utilization
Access real-time securities lending data including shares available to borrow, borrow cost (fee rate), utilization percentage, and days to cover. Essential for short sellers, prime brokers, and risk managers monitoring hard-to-borrow securities and crowded shorts.
FilingsRead →
improvement
Margin requirement data — Reg-T, portfolio margin, and maintenance levels
Access initial margin, maintenance margin, and portfolio margin requirements for US equities, options, and futures. Includes Reg-T calculations, exchange-specific margin rates, and concentrated position surcharges for portfolio risk management.
EquitiesRead →
new
Financial ratios and valuation multiples — 100+ calculated metrics
Pre-calculated financial ratios and valuation multiples for every public company. P/E, P/B, EV/EBITDA, PEG ratio, ROE, ROA, ROIC, debt-to-equity, current ratio, quick ratio, and 90+ more — all updated daily.
EquitiesRead →
improvement
Go SDK — Idiomatic Go client with context support
Official Go SDK for the Eulerpool API. Designed for Go idioms with context.Context support, struct-based responses, and zero external dependencies.
SDKsRead →
new
Risk metrics and factor exposure API — Beta, VaR, Sharpe, and Fama-French factors
Access pre-calculated risk metrics for every security including beta, Value at Risk, Sharpe ratio, Sortino ratio, maximum drawdown, and factor exposures. Fama-French three-factor and five-factor model loadings for academic research and portfolio risk management.
EquitiesRead →
new
Yield curve modeling API — Nelson-Siegel, Svensson, and spline interpolation
Fit yield curve models to observed Treasury and corporate bond yields. Access Nelson-Siegel, Svensson, and cubic spline interpolated curves with parameter estimates, fitted yields at any maturity, and forward rate extraction for fixed income analytics and derivatives pricing.
Fixed IncomeRead →
new
Equity quote API — Real-time and delayed stock prices
Real-time and 15-minute delayed stock quotes for US and international equities. Includes last price, bid/ask, open, high, low, close, volume, VWAP, 52-week range, and market cap — updated tick-by-tick for real-time subscribers.
EquitiesRead →
new
Institutional ownership data — Who owns what and how much
Access institutional ownership data from SEC 13F filings. See which hedge funds, mutual funds, pension funds, and asset managers hold a stock. Track quarterly position changes for 5,000+ institutions.
OwnershipRead →
new
Central bank balance sheet data — Fed, ECB, and BOJ asset holdings
Track central bank balance sheet expansion and contraction with detailed asset breakdowns. Federal Reserve, ECB, Bank of Japan, and Bank of England holdings including treasuries, MBS, corporate bonds, and special lending facilities.
MacroRead →
new
Portfolio attribution API — Performance decomposition by sector, factor, and security
Decompose portfolio returns into sector allocation, security selection, currency, and factor contributions. Brinson-Fachler attribution for equity portfolios, duration/spread attribution for fixed income, and multi-period linking for quarterly and annual performance reports.
FilingsRead →
improvement
Custom alert rules API — Programmable price, volume, and fundamental alerts
Create custom alert rules that trigger when any combination of price, volume, fundamental, or technical conditions are met. Build complex watchlists with multi-condition alerts and receive notifications via webhook, email, or in-app messages.
DerivativesRead →
new
Market coverage API — Exchange metadata and trading calendars
Query which exchanges are covered, their trading hours, market holidays, and supported ticker symbology. Essential for building global trading applications that need to know when markets are open.
EquitiesRead →
improvement
OpenAPI 3.0 specification — Machine-readable API documentation
Published the complete API specification in OpenAPI 3.0.3 format. Generate client libraries in any language or use with API gateway tools. The spec powers our interactive documentation.
EquitiesRead →
improvement
Bulk data exports — Full dataset downloads in CSV and Parquet format
Download complete datasets for offline analysis, backtesting, and data warehousing. Export end-of-day prices, financial statements, analyst estimates, and reference data for all securities in CSV or Apache Parquet format with incremental daily updates.
EquitiesRead →
new
Seasonality patterns API — Historical monthly and day-of-week return patterns
Analyze seasonal return patterns for any security. Access average monthly returns, day-of-week effects, pre-holiday rallies, turn-of-month patterns, and options expiration week behavior based on 20+ years of historical data for evidence-based timing strategies.
EquitiesRead →
improvement
Status page and uptime monitoring — Real-time API health dashboard
Live status page showing real-time health, response times, and historical uptime for every Eulerpool API endpoint. Subscribe to incident notifications via email, SMS, or webhook. Current uptime: 99.97% over the trailing 12 months across all endpoints.
EquitiesRead →
new
Eulerpool Financial Data API — Public launch
Today we are launching the Eulerpool Financial Data API. Institutional-quality financial data for developers, quants, and fintech companies. 100,000+ securities, 90+ exchanges, 140+ endpoints. One API key, one consistent JSON format.
EquitiesRead →
Roadmap
PlannedNot yet available. Everything in the grid above has shipped — and a new article goes live every day.
Webhook and event notifications
Push alerts when prices, earnings, or filings hit your rules — instead of polling.
Portfolio optimization API
Mean-variance, Black-Litterman, and risk parity, run server-side with constraints.
Postman collection — one-click import
A maintained Postman collection generated from the OpenAPI spec.
Frequently asked questions
Want to be notified of new releases?
Get your API key