Cryptocurrency
apiKeyHTTPSCORS ?
Cryptocurrency
Block
Bitcoin Payment, Wallet & Transaction Data.
Block API is a free Cryptocurrency API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
- Authentication
- apiKey
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Cryptocurrency
Visit documentation ↗block.io
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Block API alternatives
No authHTTPSCORS
Bitmex
Real-Time Cryptocurrency derivatives trading platform based in Hong Kong
apiKeyHTTPSCORS ?
bilbop
Solana USDC x402 pay-per-call tools for agents: SPL mint info, token brief, text summarize, Piper TTS, brand feedback
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apiKeyHTTPSCORS ?
Block Lottos
On-chain lottery, draw history, jackpot and advertising endpoints
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Block API FAQ
Is the Block API free?
Yes. The Block API is listed in the Cryptocurrency category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Does the Block API require an API key?
Yes. The Block API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the Block API from the browser?
CORS support for the Block API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Does the Block API support HTTPS?
Yes. The Block API is served over HTTPS, so it's safe to use in production.