x402node.dev

https://api.x402node.dev

● healthy general

Validate and compute the EIP-55 checksum of an Ethereum address - precise mixed-case checksum that catches typos, which LLMs cannot reliably produce. checksum address, eip55, address validation, ethereum checksum, validate address, address checksum -- 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