{"x402Version":2,"name":"Attest402","description":"Attest402 captures a public website or API response and returns a portable, cryptographically signed and timestamped evidence package (Ed25519 + RFC-3161) that can be verified offline. Prove what a URL returned at a point in time: audit logs, oracle inputs, compliance snapshots, dispute evidence.","resources":[{"resource":"https://attest402.com/v1/attest","type":"http","method":"POST","x402Version":2,"accepts":[{"scheme":"exact","network":"eip155:84532","asset":"USDC","maxAmountRequired":"200000","payTo":"0xE72b85A97A6e19413D8b80633787Eda6d6237A77","description":"Attest402 captures a public website or API response and returns a portable, cryptographically signed and timestamped evidence package (Ed25519 + RFC-3161) that can be verified offline. Prove what a URL returned at a point in time: audit logs, oracle inputs, compliance snapshots, dispute evidence.","mimeType":"application/json"}],"inputSchema":{"properties":{"url":{"type":"string","format":"uri","description":"Public HTTPS URL to capture (GET only, max 2 MB, max 3 redirects)."},"externalReference":{"type":"string","maxLength":100,"description":"Optional caller-side correlation id, embedded in the signed record."},"includeTrustedTimestamp":{"type":"boolean","description":"Also anchor the record with an independent RFC-3161 timestamp."}},"required":["url"]},"lastUpdated":"2026-08-05T11:26:46Z"}]}