FastPath Bitcoin API

active

Bitcoin RPC for EVM bots. FastPath provides Ethereum-style JSON-RPC translation, live Bitcoin fee ladders, mempool intelligence, Core v31 optimizer cache checks, and non-custodial RBF or CPFP bump planning through x402-paid endpoints.

DataBasex402 v2exactnativebtc.org ↗︎

Settled via Coinbase.

Transactions · 30d
0
Volume · 30d
$0.00
Unique buyers · 30d
0
Uptime · 30d
100.0%
Latency p50
137ms
Reported calls · 30d
10

Endpoints (17 live)

  • POST /v1/bitcoin/insight — Returns Bitcoin market insight and analytics data. (0.01 USDC on Base)
  • GET /v1/mempool/stream-ticket — Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream. (0.005 USDC on Base)
  • GET /v1/utxos/1 — Bitcoin UTXO set for an address, useful for wallet funding and spendability checks. (0.002 USDC on Base)
  • GET /v1/balance/1 — Bitcoin address balance, equivalent to eth_getBalance for EVM bots. (0.001 USDC on Base)
  • GET /v1/tx/1 — Decoded Bitcoin transaction details by txid. (0.001 USDC on Base)
  • GET /v1/mempool/tx/1 — Detailed mempool entry for a Bitcoin transaction, including fees, descendants, ancestors, and RBF flag. (0.001 USDC on Base)
  • GET /v1/mempool/tx/1/replacements — RBF replacement tracking for a Bitcoin mempool transaction. (0.001 USDC on Base)
  • POST /v1/template/optimized-txids — Full optimized block template txid list from the live Core v31 optimizer cache. Requests up to 4,000 txids, constrained by Bitcoin block weight. Returns ordered txids, template metadata, baseline-vs-optimized fee totals, mempool size, fee uplift, baseline comparison, coinbase value, and Ed25519 receipt metadata for Stratum V2 Job Declaration workflows. (0.05 USDC on Base)
  • POST /v1/template/bump-plan — RBF or CPFP bump plan using Core v31 package data. FastPath plans and relays only; users sign. (0.01 USDC on Base)
  • POST /v1/template/check — Check one transaction against the live cached Core v31 optimized template signal. (0.01 USDC on Base)
  • GET /v1/mempool/fees — Bitcoin fee landscape with histogram and recommended rate for a target. (0.001 USDC on Base)
  • GET /v1/fee-estimate — Bitcoin fee estimate in sat/vB for a target confirmation window. (0.001 USDC on Base)
  • GET /v1/block-height — Current Bitcoin block height, returned as JSON for bots that already use Web3-style providers. (0.001 USDC on Base)
  • POST /v1/template/fee-ladder — Urgent, normal, and cheap Bitcoin fee bands from live mempool and Core v31 package context. (0.01 USDC on Base)
  • GET /v1/mempool/stats — Bitcoin mempool statistics, congestion level, and fee estimates. (0.001 USDC on Base)
  • POST /v1/rpc — Bitcoin JSON-RPC in Ethereum language: eth_* translation plus FastPath Bitcoin intelligence methods. (0.001 USDC on Base)
  • POST /v1/template/batch-check — Check up to 10 txids against the live cached Core v31 optimized template signal. (0.05 USDC on Base)

First seen · last seen · last active