cryptocurrency and fiat market data APIs

Name: cryptocurrency and fiat market data APIs: real-time and historical exchange data normalized across 400+ exchanges, plus exchange-rates APIs, delivered over REST, WebSocket, FIX, JSON-RPC, MCP and S3 (node-as-a-service / onchain API access was not confirmed on any reachable vendor page)
Creator: CoinAPI

COINAPIA3 · direct accessManage supplier listing

cryptocurrency and fiat market data APIs: real-time and historical exchange data normalized across 400+ exchanges, plus exchange-rates APIs, delivered over REST, WebSocket, FIX, JSON-RPC, MCP and S3 (node-as-a-service / onchain API access was not confirmed on any reachable vendor page)

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Coverage

Universe, instruments and categories.

Industry: Financial Exchanges & Data

APIs over REST, WebSocket, FIX, JSON-RPC and MCP, plus bulk historical flat-file delivery via S3

Volume

678+ TB of historical crypto market data across 400+ exchanges

Update frequency

real-time streaming for live market data over WebSocket; REST described as a "low-latency API" for historical and current data; bulk history supplied as flat files

Entity mapping

not stated

Point-in-time

not stated

supplier index read from their site

CoinAPI has not added their own details yet. Not yet on file:

Dataset
Data dictionary
Coverage
Provenance
Rights & data handling