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Zero external dependencies, no hallucination, always available. Use it to validate a US bank account before an ACH/wire payment. Complements IBAN validation for international. Ed25519-signed. 0.001 USDC on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<your Base address> (no payment); then 0.001 USDC per call.","inputSchema":{"type":"object","required":["routing"],"properties":{"routing":{"type":"string","description":"9-digit US routing/ABA number"}}},"outputModes":["application/json"]}],"version":"1.0.0","provider":{"url":"https://hergertsynthora.com","organization":"SYNTHORA"},"security":[{"x402":[]}],"description":"Validate a US bank routing number (ABA) deterministically: 9-digit check, ABA mod-10 weighted checksum, Federal Reserve district decode and institution-id extraction. Zero external dependencies, no hallucination, always available. Use it to validate a US bank account before an ACH/wire payment. Complements IBAN validation for international. Ed25519-signed. 0.001 USDC on Base. 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Zero external dependencies, no hallucination, always available. Use it to validate a US bank account before an ACH/wire payment. Complements IBAN validation for international. Ed25519-signed. 0.001 USDC on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<your Base address> (no payment); then 0.001 USDC per call.","tags":["routingcheck","x402","synthora","m2m","a2a"],"quality_warning":false}],"quality_flags":["bulk_publisher"],"check_history":{"checks":1,"passed":1},"recent_checks":[{"card_url":"https://routingcheck.hergertsynthora.com/.well-known/agent-card.json","checked_at":"2026-10-10T13:30:31.598000+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":null,"protocol_check":{"checked_at":"2026-10-10T13:30:31.598000+00:00","state":"unconfirmed","http_status":503,"detail":"Endpoint did not return an A2A task-not-found response"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://routingcheck.hergertsynthora.com/.well-known/agent-card.json","last_successful_card_check":"2026-10-10T13:30:31.598000+00:00","latest_card_check":{"checked_at":"2026-10-10T13:30:31.598+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-10T13:30:31.598000+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":null,"endpoint_tls_reachable":null,"protocol_check_state":"unconfirmed","protocol_checked_at":"2026-10-10T13:30:31.598000+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}