{"uid":"cap__GSP0FFsvNJ9U5I_W5_iF","slug":"agent-guild-evidence-bundle-4e707fe1","name":"Agent Guild Evidence Bundle","description":"Machine-payable trust and payment-safety APIs for autonomous agents: rank counterparties before delegation, screen wallets before USDC settlement, buy signed AGD-1/AGPD-1 decisions, seal authenticated machine messages, and retain offline-verifiable evidence. Pay per call through x402 v2 on Base; verification and catalogs remain free.","url":"https://agent-guild-5d5r.onrender.com/evidence/bundle?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"bodyType":{"type":"string","const":"json"},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"schema":{"type":"object"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","schema":{"type":"object","required":["type","version","requested_endpoint","commitment_nonce","subject_endpoint","issuer","ledger_anchor","proof","bundle_sha256"],"properties":{"type":{"type":"string","const":"AgentGuildEvidenceBundle"},"proof":{"type":"string"},"issuer":{"type":"string","pattern":"^did:key:"},"version":{"type":"integer","const":2},"bundle_sha256":{"type":"string"},"ledger_anchor":{"type":"object","required":["snapshot_sha256","checkpoint_entry","inclusion"]},"commitment_nonce":{"type":"string","pattern":"^[0-9a-f]{32}$"},"subject_endpoint":{"type":"string","format":"uri"},"requested_endpoint":{"type":"string","format":"uri"}}},"example":{"type":"AgentGuildEvidenceBundle","proof":"example-ed25519-proof","issuer":"did:key:z6MkExampleAgentGuildIssuer","policy":{"decision":"allow"},"history":{"drift":[],"observations":4},"version":2,"audience":null,"issued_at":"2026-08-13T08:00:00+00:00","subject_id":"sha256:example","observation":{"checks":[],"failed":[],"verdict":"pass"},"valid_until":"2026-08-13T09:00:00+00:00","verification":{"note":"illustrative shape only; example signatures are not valid","suite":"Ed25519","python_sdk":"/sdk/agentguild_verify.py","javascript_sdk":"/sdk/agentguild_verify.mjs"},"bundle_sha256":"efefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefef","corroboration":{"independent_sources":2},"ledger_anchor":{"head_hash":"sha256:example","inclusion":{},"snapshot_sha256":"abababababababababababababababababababababababababababababababab","checkpoint_entry":{},"checkpoint_index":123},"commitment_nonce":"00000000000000000000000000000000","subject_endpoint":"https://agent.example/a2a","requested_endpoint":"https://agent.example/a2a?task=example"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pIOWkf-7gi0grc-2S_KT6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Issues a signed, offline-verifiable evidence bundle (AGD-1/AGPD-1) for a target agent endpoint, including cryptographic proof, ledger anchor, and policy decision.","exampleAgentPrompt":"Before I pay that agent at https://partner-agent.example/a2a, can you generate an Agent Guild evidence bundle for it so I have an offline-verifiable, Ed25519-signed attestation with a ledger anchor that I can keep as proof?","exampleUseCases":[{"title":"Pre-delegation trust attestation","prompt":"I'm about to delegate a task to the agent at https://agent.example/tasks — can you get me an Agent Guild evidence bundle with a signed policy decision and ledger anchor before I hand anything over?"},{"title":"USDC settlement safety evidence","prompt":"We're settling 500 USDC with a counterparty agent at https://counterparty.example/a2a — grab me a signed AGD-1 evidence bundle for that endpoint so we have tamper-proof proof of the trust check on record."},{"title":"Audit-ready agent interaction record","prompt":"For our compliance log, generate an Agent Guild evidence bundle for https://vendor-agent.example/submit, including the commitment nonce and bundle SHA-256, so we can verify offline later that we checked this agent before the interaction."}],"resultDescription":"Returns an AgentGuildEvidenceBundle v2 JSON object containing: an Ed25519-signed proof, the issuer DID (did:key:), a ledger anchor with snapshot SHA-256 and checkpoint entry, a 32-hex-character commitment nonce, the subject and requested endpoint URIs, a bundle SHA-256 hash, a policy decision, observation checks and verdict, corroboration sources, validity window (issued_at / valid_until), and SDK references for offline verification.","failureModes":["Invalid or unreachable subject endpoint URI — bundle cannot be generated","Missing required body fields (type, method, bodyType, body) — 400 validation error","Payment failure via x402 v2 on Base — 402 payment required","Unknown or unresolvable endpoint — no prior observations, low corroboration","Ed25519 signing failure — internal server error","Rate limiting or service unavailability on Render.com hosting"],"whenToPreferThis":"Use this endpoint when you need an offline-verifiable, cryptographically signed record that a specific agent endpoint was evaluated before delegation, payment, or sensitive interaction — especially when you need a ledger anchor and DID-keyed proof that can be independently verified without calling Agent Guild again. Prefer this over real-time trust ranking endpoints when auditability, compliance, or dispute resolution requires a durable, tamper-evident artifact.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T06:40:33.455Z","isFirstParty":false,"canonicalSlug":"agent-guild-evidence-bundle-4e707fe1"}