{"service":"the402-api","description":"Checks whether a URL is a working x402 endpoint and what it costs.","endpoints":{"GET /validate?url=":"validate an endpoint (add &method= to pin the HTTP method)","POST /validate":"validate an endpoint, body {url, method?}","GET /health":"liveness"},"handles":["x402 v1 dialect (maxAmountRequired, payload in the JSON body)","x402 v2 dialect (amount, payload in the PAYMENT-REQUIRED header)","endpoints that only answer to POST"]}