{"uid":"cap_d0BfFZzI9ZWNxCNb4XsYN","slug":"agent-guild-envelope-issuance-102af389","name":"Agent Guild Envelope Issuance","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/envelopes/issue","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","example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yZlO-9Zw0AaNiZ4oakwzN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Issues a signed, authenticated envelope (sealed machine message) that wraps an agent-generated decision or communication with cryptographic proof and offline-verifiable evidence.","exampleAgentPrompt":"Seal and sign this decision message from my agent — 'Approved payment of 50 USDC to counterparty 0xABC' — and issue me a verifiable envelope with offline-checkable evidence so I can prove the authorization happened.","exampleUseCases":[{"title":"Notarizing an agent payment authorization","prompt":"My agent just approved a 200 USDC payment to a new supplier — can you seal that authorization decision into a signed envelope I can use as verifiable proof if the transaction is disputed later?"},{"title":"Authenticated agent-to-agent delegation record","prompt":"I need to issue a signed, tamper-evident envelope documenting that my orchestrator agent delegated a subtask to agent 0xDEF — create a sealed machine message I can retain as offline-verifiable evidence of the delegation."},{"title":"Audit trail for autonomous trading decision","prompt":"My trading agent just decided to rebalance the portfolio — wrap that decision in a signed AGD-1 envelope so auditors can verify offline exactly what was decided and when, without needing to call back to the API."}],"resultDescription":"A signed, cryptographically authenticated envelope object containing the sealed message payload, issuer identity metadata, a digital signature or proof, and an offline-verifiable evidence artifact — structured as JSON and usable as a tamper-evident record of the enclosed agent decision or communication.","failureModes":["Invalid or missing message payload returns 400 Bad Request","Payment not received or x402 authorization failure returns 402 Payment Required","Malformed envelope parameters cause rejection with validation error","Service unavailability on Render hosting returns 503","Signature generation failure due to key management issues returns 500"],"whenToPreferThis":"Choose this endpoint when you need cryptographically sealed, offline-verifiable records of agent decisions or machine messages — especially for audit trails, dispute resolution, or agent-to-agent trust scenarios where you cannot rely on a live API call for later verification. Prefer this over generic logging when tamper-evidence and portability of the proof matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:35:44.326Z","isFirstParty":false}