freeapis

Bitfinex

Cryptocurrency Trading Platform

Authentication
API Key
HTTPS
Yes
CORS
Unknown

Overview

Bitfinex offers a public REST API for market data — tickers, candles, order books, and trades — plus authenticated trading. Public endpoints are keyless (verified live).

Quick Start

Ticker (verified live):

curl "https://api-pub.bitfinex.com/v2/ticker/tBTCUSD"
[77090.5, 43.2, 77091.2, 11.5, 4621.3, 0.0316, 77089.9, 38129100.5, 77080.5, 77098.3]

Candles:

curl "https://api-pub.bitfinex.com/v2/candles/trade:1h:tBTCUSD/hist?limit=5"

Order book:

curl "https://api-pub.bitfinex.com/v2/book/tBTCUSD/P0"

Authentication

  • Public endpoints: none (keyless).
  • Private endpoints (v2 auth routes): API key + secret with signed payloads.

Rate Limits & Notes

  • Public endpoints: generous but throttled — check the docs.
  • Symbols are t-prefixed pairs: tBTCUSD, tETHUSD (v2 format).
  • The api-pub.bitfinex.com host is the public-data host.
  • Ticker response is a positional array — read the docs for field order.

FAQ

Is Bitfinex public data free? Yes — public market data is keyless (verified).

What’s the symbol format? t-prefixed: tBTCUSD, tETHUSD.

What host for public data? api-pub.bitfinex.com (v2).

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