Financial Data API

Real-Time Financial Data API — Sub-10ms Latency, WebSocket Streaming

Real-time stock prices, WebSocket streaming, global CDN. Tick-level data with microsecond timestamps.

No credit card required · Free forever · Live in 60 seconds

Coverage

Built for low-latency trading

01

Real-Time Prices

Live quotes, last trade, bid/ask. Sub-10ms median latency.

02

WebSocket Streaming

Push-based updates. No polling. Persistent connections.

03

Global CDN

Edge nodes worldwide. Low latency from any region.

04

Tick-Level Data

Every trade. Microsecond timestamps. Full depth.

05

90+ Exchanges

US, Europe, Asia. Equities, ETFs, indices.

06

REST Quote API

On-demand quotes. Simple HTTP. Same auth as WebSocket.

Endpoint Examples

WebSocket & REST

wss://stream.eulerpool.com/v1/subscribe
WebSocket message (incoming)
{
  "type": "quote",
  "ticker": "AAPL",
  "price": 189.84,
  "bid": 189.82,
  "ask": 189.86,
  "volume": 45230100,
  "timestamp": "2024-02-20T14:32:15.123456Z"
}
Microsecond precision
GET /v1/equities/{ticker}/quote
$
curl https://api.eulerpool.com/v1/equities/AAPL/quote \
-H "Authorization: Bearer ep_live_xxx"
{
  "ticker": "AAPL",
  "price": 189.84,
  "change": 1.24,
  "changePercent": 0.66,
  "timestamp": "2024-02-20T14:32:15.123456Z"
}
200 OK — 6ms

Key Stats

Built for speed

<10ms

Median latency

Global

CDN

90+

Exchanges

μs

Timestamp precision

Start building for free

Get your free API key

No credit card required. Free forever tier.