{"uid":"cap_QwON_A5vJIB6_Pl3hg39y","slug":"agent-identity-credential-acceptance-and-counterparty-verification-0bc9f67a","name":"Agent Identity Credential Acceptance and Counterparty Verification Procedure","description":"Deterministic gate for an agent presented with an issuer-signed agent identity credential or identity tag before transacting. Ordered checks: issuer trust (who signed, verification key published, issuer linked to rail or facilitator), key binding via proof of possession against the session signing key, non-transferability (no reuse across agents, resale signals forgery), revocation and expiry checked before and at settlement, scope binding (a tag asserts identity, not payment authority), and","url":"https://k2so-8080.on.ascii.dev/api/services/agent-identity-credential-acceptance-and-counter","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Agent identity credential acceptance and counterparty verification procedure paid response","$schema":"https://json-schema.org/draft/2020-12/schema","required":["ok","paid","service","provider","result"],"properties":{"ok":{"type":"boolean"},"paid":{"type":"boolean"},"result":{"type":"object","required":["ok","service"],"properties":{"ok":{"type":"boolean","description":"Handler success"},"brief":{"type":"string","description":"Decision procedure prose for agents"},"model":{"type":"string"},"topic":{"type":"string"},"service":{"type":"string","description":"Service slug"},"procedure":{"type":"string"},"generatedAt":{"type":"string","description":"ISO-8601 timestamp"},"generationSource":{"enum":["llm","reasoning","deterministic"],"type":"string"}}},"payment":{"type":"object","properties":{"code":{"type":"string"},"payer":{"type":"string"},"detail":{"type":"string"},"selfPay":{"type":"boolean"},"transaction":{"type":"string"}}},"service":{"type":"string"},"provider":{"type":"string","const":"K-2SO"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hOhZa2uAmf2MLN-YICcYw","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a deterministic decision procedure brief for verifying issuer-signed agent identity credentials and identity tags before an agent transacts, covering issuer trust, key binding, non-transferability, revocation, expiry, and scope binding.","exampleAgentPrompt":"Before I proceed with this x402 transaction, walk me through the full agent identity credential verification procedure — I need to check issuer trust, key binding proof of possession, non-transferability, and whether this credential is still valid and within its authorized scope.","exampleUseCases":[{"title":"Pre-transaction counterparty credential gate","prompt":"I'm about to settle a payment with another agent and they've presented an issuer-signed identity credential — give me the step-by-step procedure to verify their issuer trust chain, key binding, and check that the credential hasn't been revoked or expired before I approve the transaction."},{"title":"Detecting credential reuse and forgery signals","prompt":"An agent is presenting what looks like a reused or transferred identity tag — walk me through the non-transferability checks and forgery detection steps I should apply before accepting it as legitimate."},{"title":"Scope binding check for identity vs payment authority","prompt":"I received an agent identity tag but I'm not sure if it also grants payment authority — can you run me through the scope binding verification procedure to confirm whether this tag is valid for identity only or whether it extends to payment authorization?"}],"resultDescription":"A structured JSON response containing a prose decision procedure brief ('brief') for agents outlining ordered verification steps, the topic matched, a generation source indicator (llm, reasoning, or deterministic), an ISO-8601 timestamp, service slug, and payment confirmation metadata. The 'ok' field indicates handler success.","failureModes":["Missing or malformed 'input' object returns a schema validation error","Invalid method enum value (e.g. POST) results in rejection","Expired or invalid x402 payment header causes 402 response requiring fresh payment","Topic override not matching any known procedure may return a generic or degraded brief","LLM or reasoning backend unavailability may delay or fail generation"],"whenToPreferThis":"Choose this endpoint when an agent needs a structured, paid-grade decision procedure for evaluating agent identity credentials or identity tags in the context of x402 payments or agentic transactions — specifically when you need coverage of issuer trust, key binding, non-transferability, revocation, expiry, and scope binding in a single authoritative brief. Prefer it over general identity libraries when operating in agentic payment rails where credential forgery, reuse, or scope overreach are live risks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:52:28.273Z","isFirstParty":false}