Bitcoin API for Developers

Best BTC API providers for building Bitcoin applications

Top Bitcoin API Providers

Provider Features Free Tier Action
Blockstream RPC, Esplora, Lightning ✓ Yes Visit
Mempool Explorer API, Mempool ✓ Yes Visit
Chainalysis KYT, Compliance ✗ No Visit
BlockCypher Wallet, Webhooks ✓ Yes Visit
NBX Lightning, Payments ✓ Yes Visit

Bitcoin API Types

  • Bitcoin Core RPC - Full node interface
  • Esplora API - Block explorer API
  • Lightning RPC - Lightning Network
  • Wallet API - HD wallet management
  • Payment API - Payment processing

Use Cases

  • Bitcoin wallet applications
  • Payment processing
  • Bitcoin analytics
  • Custody solutions
  • DeFi on Bitcoin

Public Bitcoin RPC Endpoints

# Blockstream (Signet)
https://blockstream.info/signet/api/

# Public RPC (Testnet)
https://bitcoin-testnet.blockstream.info/rest/

# Esplora API
https://blockstream.info/api/