{"uid":"cap_SV6zVAJTFCucytlhsx8hO","slug":"ddg-credential-signing-service-f6c24d85","name":"DDG Credential Signing Service","description":"Machine-payable DDG services for AI agents. Current public live payment rails are x402 multi-chain USDC and direct-crypto auto/manual for public receiving-address families. MPP/Stripe/Tempo is installed but pending live provider env plus penny-settlement proof before any MPP-live advertisement. DDG sells bounded artifacts/results, not raw provider account access.","url":"https://agents.daedalusdevelopmentgroup.com/v1/credentials/sign?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":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":true},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string"},"example":{"ok":true}},"additionalProperties":true}}},"responseSchema":{"type":"json","example":{"ok":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_TY0KkUXBSZdFWrAkuJBWx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Signs HTTP request credentials or artifacts for AI agents via a machine-payable x402 micropayment endpoint at $0.005 USDC per call","exampleAgentPrompt":"Sign the credentials for my POST request with a JSON body — use DDG's agent signing service to authenticate this payload and return the signed result.","exampleUseCases":[{"title":"Agent workflow credential signing","prompt":"I need to sign the credentials for a JSON POST request in my automated agent pipeline — can you use the DDG signing service to authenticate this body payload and give me back the signed artifact?"},{"title":"Form-data authentication for agent","prompt":"Sign this form-data PUT request body using DDG's credential signing endpoint so my agent can submit it with proper authentication."},{"title":"Micropayment-gated request signing","prompt":"Use the DDG agent-payable signing service to sign a PATCH request with a JSON body — I want a verified signed credential back for this HTTP operation."}],"resultDescription":"Returns a JSON object with an 'ok' boolean field indicating whether the credential signing was successful, along with any signed credential or artifact data produced by the service.","failureModes":["Payment not received or insufficient USDC balance — returns 402 Payment Required","Invalid or missing required fields (type, method, bodyType, body) — returns 400 Bad Request","Unsupported HTTP method (only POST, PUT, PATCH allowed) — returns 422 Unprocessable Entity","Unsupported bodyType (must be json, form-data, or text) — returns validation error","Service temporarily unavailable — returns 503"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to obtain a cryptographically signed credential or artifact for an HTTP request body within a machine-payable workflow that supports x402 USDC micropayments. Prefer this when you need bounded, signed artifacts rather than raw provider account access, and when your agent runtime supports x402 payment rails.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:48:02.412Z","isFirstParty":false,"canonicalSlug":"ddg-credential-signing-service-f6c24d85"}