{"id":11953,"name":"obolpay-x402-gateway","description":"Deterministic service agent for Obolpay Gateway — compatible with x402™, a paid-data gateway. Offers FREE discovery, preview, balance lookup and receipt verification only — it is not a conversational AI. PURCHASE happens exclusively via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data, never through A2A. x402™ is a trademark of LF Projects, LLC.","card_url":"https://pay.obolpay.xyz/.well-known/agent-card.json","endpoint":"https://pay.obolpay.xyz/a2a","protocol_version":"0.3.0","first_seen":"2026-10-10T13:34:23.776952+00:00","last_verified":"2026-10-10T16:23:10.238597+00:00","card":{"url":"https://pay.obolpay.xyz/a2a","name":"obolpay-x402-gateway","skills":[{"id":"discover","name":"Catalog discovery (free)","tags":["free","keyless","discovery","x402"],"description":"Return this x402 gateway's machine-readable manifest: price, token, network, recipient, payment flow, capabilities. Same document as GET /.well-known/x402. No payment required. Purchase happens exclusively OUT-OF-BAND via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data — never through A2A messages."},{"id":"preview","name":"Free preview of the paid dataset","tags":["free","keyless","preview","x402"],"description":"Free preview of the paid dataset so you can evaluate BEFORE paying (trustless). Optionally pass a data part {\"skill\":\"preview\",\"args\":{\"types\":[\"…\"]}} to scope the preview to the categories you would actually buy. No invoice is created. Purchase happens exclusively OUT-OF-BAND via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data — never through A2A messages."},{"id":"balance","name":"Account balance lookup (free)","tags":["free","keyless","balance","x402"],"description":"Look up an existing account balance at this gateway (top-ups are not accepted; a balance comes only from earlier top-ups or automatic refund credits) for an address passed as {\"skill\":\"balance\",\"args\":{\"address\":\"0x…\"}}: balance_units, calls_remaining, next_nonce and the voucher message to sign. Read-only; signing happens on YOUR side with YOUR key — this server never asks for a private key. Purchase happens exclusively OUT-OF-BAND via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data — never through A2A messages."},{"id":"verify_receipt","name":"Verify a proof-of-purchase receipt (free)","tags":["free","keyless","receipt","verification","x402"],"description":"Verify a signed purchase receipt issued by this gateway, passed as {\"skill\":\"verify_receipt\",\"args\":{\"message\":\"…\",\"signature\":\"0x…\"}}: recovers the EIP-191 signer and checks it equals the server's receipt signer. Anyone can verify — no payment required. Purchase happens exclusively OUT-OF-BAND via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data — never through A2A messages."}],"version":"0.5.0","description":"Deterministic service agent for Obolpay Gateway — compatible with x402™, a paid-data gateway. Offers FREE discovery, preview, balance lookup and receipt verification only — it is not a conversational AI. PURCHASE happens exclusively via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data, never through A2A. x402™ is a trademark of LF Projects, LLC.","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"protocolVersion":"0.3.0","defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["application/json","text/plain"],"preferredTransport":"JSONRPC"},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-10T16:23:10.238597+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Agent Tools Catalog","source_url":"https://agent-tools.cloud","last_check":{"checked_at":"2026-10-10T16:23:10.238597+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://pay.obolpay.xyz/.well-known/agent-card.json"],"skills":[{"skill_id":"balance","name":"Account balance lookup (free)","description":"Look up an existing account balance at this gateway (top-ups are not accepted; a balance comes only from earlier top-ups or automatic refund credits) for an address passed as {\"skill\":\"balance\",\"args\":{\"address\":\"0x…\"}}: balance_units, calls_remaining, next_nonce and the voucher message to sign. Read-only; signing happens on YOUR side with YOUR key — this server never asks for a private key. Purchase happens exclusively OUT-OF-BAND via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data — never through A2A messages.","tags":["free","keyless","balance","x402"],"quality_warning":false},{"skill_id":"discover","name":"Catalog discovery (free)","description":"Return this x402 gateway's machine-readable manifest: price, token, network, recipient, payment flow, capabilities. Same document as GET /.well-known/x402. No payment required. Purchase happens exclusively OUT-OF-BAND via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data — never through A2A messages.","tags":["free","keyless","discovery","x402"],"quality_warning":false},{"skill_id":"preview","name":"Free preview of the paid dataset","description":"Free preview of the paid dataset so you can evaluate BEFORE paying (trustless). Optionally pass a data part {\"skill\":\"preview\",\"args\":{\"types\":[\"…\"]}} to scope the preview to the categories you would actually buy. No invoice is created. Purchase happens exclusively OUT-OF-BAND via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data — never through A2A messages.","tags":["free","keyless","preview","x402"],"quality_warning":false},{"skill_id":"verify_receipt","name":"Verify a proof-of-purchase receipt (free)","description":"Verify a signed purchase receipt issued by this gateway, passed as {\"skill\":\"verify_receipt\",\"args\":{\"message\":\"…\",\"signature\":\"0x…\"}}: recovers the EIP-191 signer and checks it equals the server's receipt signer. Anyone can verify — no payment required. Purchase happens exclusively OUT-OF-BAND via the x402 HTTP 402 flow at https://pay.obolpay.xyz/api/v1/protected-data — never through A2A messages.","tags":["free","keyless","receipt","verification","x402"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":2,"passed":2},"recent_checks":[{"card_url":"https://pay.obolpay.xyz/.well-known/agent-card.json","checked_at":"2026-10-10T16:23:10.238597+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://pay.obolpay.xyz/.well-known/agent-card.json","checked_at":"2026-10-10T13:34:23.776952+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-10T16:23:10.238597+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-10T13:34:23.776952+00:00","state":"a2a_response","http_status":200,"detail":"A2A task-not-found response to a read-only task lookup"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://pay.obolpay.xyz/.well-known/agent-card.json","last_successful_card_check":"2026-10-10T16:23:10.238597+00:00","latest_card_check":{"checked_at":"2026-10-10T16:23:10.238597+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-10T16:23:10.238597+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-10T16:23:10.238597+00:00","endpoint_tls_reachable":true,"protocol_check_state":"a2a_response","protocol_checked_at":"2026-10-10T13:34:23.776952+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}