{"uid":"cap_wNwkfp50Hm9kXVHX8XQTC","slug":"oauth-issuer-binding-evidence-8d9814a7","name":"OAuth Issuer Binding Evidence","description":"Bind verified OAuth issuer and audience claims to the intended receiver","url":"https://phion.systems/v1/paid/trust/oauth-issuer-binding-evidence?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["body"],"properties":{"body":{"type":"object","additionalProperties":true}}},"output":{"type":"object","required":["example"],"properties":{"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rtmZBccNcROgz8kLaWUfZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Binds verified OAuth issuer and audience claims to an intended receiver, producing signed evidence of the binding","exampleAgentPrompt":"Can you verify that this OAuth token's issuer and audience claims are properly bound to our service receiver and generate signed binding evidence I can use as proof?","exampleUseCases":[{"title":"Agent-to-agent OAuth trust verification","prompt":"I need to confirm that the OAuth token this upstream agent sent us has its issuer and audience correctly bound to our agent's identity — can you generate binding evidence so we have a signed record for the trust audit?"},{"title":"API gateway claim attestation","prompt":"Before our API gateway accepts this OAuth JWT, I want signed evidence that the issuer and audience fields are bound to us as the intended receiver — can you produce that binding attestation?"},{"title":"Zero-trust pipeline credential validation","prompt":"We're building a zero-trust pipeline and need to verify that the OAuth issuer claim from our identity provider is correctly bound to the right audience for our downstream service — generate the binding evidence for the compliance log."}],"resultDescription":"A signed, evidence-bounded record confirming that the provided OAuth issuer and audience claims are verified and properly bound to the specified intended receiver, suitable for audit trails, compliance records, and downstream trust decisions.","failureModes":["Issuer claim does not match a recognized or verifiable authority — returns validation failure with mismatch detail","Audience claim does not correspond to the stated intended receiver — returns binding rejection","Malformed or missing OAuth token claims — returns schema or parse error","Receiver identity cannot be resolved or verified — returns unresolvable receiver error","Upstream identity provider unreachable during issuer verification — returns timeout or connectivity error"],"whenToPreferThis":"Choose this endpoint when you need cryptographically-grounded, signed evidence that an OAuth issuer and audience are correctly bound to a specific receiver — particularly in agentic pipelines, zero-trust architectures, or compliance scenarios where a simple local JWT check is insufficient and you need an auditable third-party attestation of the binding.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:30:10.921Z","isFirstParty":false,"canonicalSlug":"oauth-issuer-binding-evidence-8d9814a7"}