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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Cryptocurrency
  3. /Mempool
Cryptocurrency
Mempool logo

Mempool

Bitcoin API Service focusing on the transaction fee.

Mempool API is a free Cryptocurrency API that requires no API key, is served over HTTPS and does not support CORS, so it should be called from a server.

Authentication
None required
HTTPS
Yes
CORS
No
Category
Cryptocurrency
Visit documentation ↗mempool.space
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Mempool API alternatives

MarginPad logo

MarginPad

Crypto futures prices, candles, funding, open interest, long/short and liquidations, 9 exchanges

No authHTTPSCORS
MercadoBitcoin logo

MercadoBitcoin

Brazilian Cryptocurrency Information

No authHTTPSCORS ?
MadeOnSol logo

MadeOnSol

Real-time Solana & Robinhood Chain KOL trades, deployer reputation, and DEX activity

apiKeyHTTPSCORS
Messari logo

Messari

Provides API endpoints for thousands of crypto assets

No authHTTPSCORS ?
Localbitcoins logo

Localbitcoins

P2P platform to buy and sell Bitcoins

No authHTTPSCORS ?
Mexc logo

Mexc

Cryptocurrency info, place order

apiKeyHTTPSCORS ?

Mempool API FAQ

Is the Mempool API free?

Yes. The Mempool 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 Mempool API require an API key?

No. The Mempool API requires no authentication, so you can start making requests without signing up.

Can I call the Mempool API from the browser?

Not directly. The Mempool API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.

Does the Mempool API support HTTPS?

Yes. The Mempool API is served over HTTPS, so it's safe to use in production.