x402node.dev

https://api.x402node.dev

● healthy general

Bitcoin recommended fee rates (sat/vB) for fast/half-hour/hour/economy/minimum via mempool.space. Use no params. Built for AI agents constructing BTC transactions, fee estimation UIs. -- reliability 91.0/100 per Paygent Discover

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://api.x402node.dev

/.well-known/x402.json

https://api.x402node.dev/.well-known/x402