{"name":"x402 Checkup","description":"Checkup for x402 buyer clients. Pay once and get a field-by-field diagnosis of the payment your client signed (amount, recipient, validity window, clock offset, nonce, EIP-712 signature) and of the request that arrived, plus the facilitator's verify and settle results. Base mainnet payments get the full diagnosis; Base Sepolia payments get a preview with the status of each check only.","price":"$0.005","networks":["eip155:8453","eip155:84532"],"endpoints":{"GET /v1/checkup":"paid ($0.005 USDC): Diagnose the x402 payment your client sends","POST /v1/checkup":"paid ($0.005 USDC): Diagnose the x402 payment your client sends","GET /v1/reports/{nonce}":"free: Read the stored report for a payment (free)"},"openapi":"/openapi.json","preview":"Pay on Base Sepolia with test USDC from https://faucet.circle.com for a preview (status of each check only). Pay on Base mainnet for the full diagnosis."}