x402node.dev

https://api.x402node.dev

● healthy general

Fetch the verified ABI of a smart contract with function and event signatures across multiple EVM chains - required for agents to correctly encode contract calls, which LLMs cannot retrieve live. contract abi, get abi, contract interface, function signatures, abi fetch, contract methods -- 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