Block402

active

Blockchain intelligence for AI agents. Read-only blockchain data, paid per request with x402. Currently advertised chains: Bitcoin, Ethereum. Payments: USDC on Base mainnet (eip155:8453). The payment network is independent of the blockchain being queried.

DataBasex402 v2exactblock402.xyz ↗︎

Settled via Coinbase.

Transactions · 30d
3
Volume · 30d
$0.015
Unique buyers · 30d
1
Uptime · 30d
54.3%
Latency p50
47ms
Reported calls · 30d
6

Endpoints (18 live)

  • POST /rpc/bitcoin — Bitcoin read-only RPC and supported simulations. Submit method and params as JSON. Method schemas, limits and prices: https://api.block402.xyz/docs/api.md. Obtain a bound quote with a private Idempotency-Key before signing. (0.0025 USDC on Base)
  • POST /rpc/ethereum — Ethereum read-only RPC and supported simulations. Submit method and params as JSON. Method schemas, limits and prices: https://api.block402.xyz/docs/api.md. Obtain a bound quote with a private Idempotency-Key before signing. (0.0025 USDC on Base)
  • POST /rpc/bitcoin/getblockcount — Read the height of the current best Bitcoin chain. Send a private Idempotency-Key with a valid JSON-RPC body to obtain a bound quote before signing. (free)
  • GET /rpc/bitcoin (free)
  • GET /rpc/ethereum (free)
  • POST /rpc/bitcoin/gettxout — Read an unspent Bitcoin transaction output, excluding the mempool. A spent or unknown output returns null. Send a private Idempotency-Key with a valid JSON-RPC body to obtain a bound quote before signing. (free)
  • POST /rpc/bitcoin/getblock — Read a Bitcoin block. Verbosity 0 returns serialized hex; verbosity 1 returns JSON with transaction IDs. Verbosity 2 and 3 are not supported. Send a private Idempotency-Key with a valid JSON-RPC body to obtain a bound quote before signing. (free)
  • POST /rpc/bitcoin/getbestblockhash — Read the hash of the current best Bitcoin block. Send a private Idempotency-Key with a valid JSON-RPC body to obtain a bound quote before signing. (free)
  • POST /rpc/bitcoin/getblockhash — Look up a Bitcoin block hash by its height. Send a private Idempotency-Key with a valid JSON-RPC body to obtain a bound quote before signing. (free)
  • POST /rpc/bitcoin/getblockheader — Read a Bitcoin block header. Set verbose to true for JSON or false for serialized hex. Send a private Idempotency-Key with a valid JSON-RPC body to obtain a bound quote before signing. (free)
  • POST /rpc/bitcoin/getrawtransaction — Read a serialized Bitcoin transaction from an explicit block. Verbose must be false; a block hash is required. Send a private Idempotency-Key with a valid JSON-RPC body to obtain a bound quote before signing. (free)
  • GET /rpc/bitcoin/getblockheader (free)
  • GET /rpc/bitcoin/getblockhash (free)
  • GET /rpc/bitcoin/getblockcount (free)
  • GET /rpc/bitcoin/getbestblockhash (free)
  • GET /rpc/bitcoin/getblock (free)
  • GET /rpc/bitcoin/getrawtransaction (free)
  • GET /rpc/bitcoin/gettxout (free)

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