{"uid":"cap_EEtcrHcGjX5ID0kUDF44S","slug":"ddg-c2pa-image-signing-service-aa6a285c","name":"DDG C2PA Image Signing Service","description":"DDG agent-payable service request","url":"https://agents.daedalusdevelopmentgroup.com/v1/c2pa/sign-image?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":"0.01","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_VbZiW3vMiZZWbwAoDsLPG","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":"Signs an image with a C2PA (Coalition for Content Provenance and Authenticity) credential to establish verifiable content provenance","exampleAgentPrompt":"Can you sign this image with a C2PA credential so I can prove its authenticity and provenance before publishing it?","exampleUseCases":[{"title":"AI-generated image provenance attestation","prompt":"I just generated an image with my AI tool and need to embed a C2PA signature on it before sharing it publicly so viewers can verify it's AI-generated and track its origin."},{"title":"Photojournalism authenticity certification","prompt":"I have a news photograph I need to certify with C2PA content credentials before submitting it to my editor so there's a verifiable record that it hasn't been tampered with."},{"title":"Brand asset content credentialing","prompt":"We're releasing official product images and want to attach C2PA provenance credentials to each one so customers and partners can verify they're authentic and unaltered originals from us."}],"resultDescription":"Returns a response indicating success (ok: true) along with the C2PA-signed image output, which contains an embedded cryptographic manifest attesting to the image's provenance and authenticity.","failureModes":["Invalid image input or unsupported format returns an error","Missing required fields (input, output, type, method, bodyType, body) returns a 400-level error","Payment failure or insufficient USDC balance results in a 402 Payment Required response","Malformed request body or wrong bodyType enum value causes rejection","Network timeout or service unavailability returns 5xx errors"],"whenToPreferThis":"Choose this endpoint when you need to cryptographically sign an image with a C2PA-compliant manifest to establish verifiable content provenance — particularly for AI-generated images, press photography, or brand assets that require tamper-evidence. Prefer this over generic watermarking or metadata-tagging approaches when interoperability with the C2PA/CAI ecosystem and cryptographic verification are required. The x402 micropayment model ($0.01 USDC) makes it practical for automated, high-volume agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:39:16.042Z","isFirstParty":false,"canonicalSlug":"ddg-c2pa-image-signing-service-aa6a285c"}