{"uid":"cap_HUpoMsU4dJSNPmtCpArso","slug":"c2pa-manifest-structural-checker-23f59680","name":"C2PA Manifest Structural Checker","description":"Structural check of a content-credential manifest: claim generator, assertions, the c2pa.actions history, whether a digitalSourceType actually declares trained-algorithmic media, and whether it is signed at all. Does not verify the signature or the certificate chain.","url":"https://reg.chainverdict.xyz/v1/aiact/c2pa-check","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":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","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":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_t24J0fq2scl7ImIrgq_6l","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a structural analysis of a C2PA content-credential manifest, checking claim generator, assertions, c2pa.actions history, digitalSourceType for AI-trained media declarations, and signing status — without verifying the signature or certificate chain.","exampleAgentPrompt":"Can you structurally check this C2PA content-credential manifest for me — specifically look at the claim generator, the c2pa.actions history, whether the digitalSourceType declares trained-algorithmic media, and whether it's signed at all?","exampleUseCases":[{"title":"AI-generated media disclosure audit","prompt":"I have a C2PA manifest from a news image and I need to know if its digitalSourceType actually declares it as trained-algorithmic media — can you run a structural check and tell me what the assertions say?"},{"title":"Pre-publication content credential review","prompt":"Before we publish this photo, check its C2PA content credential manifest structurally: does it have a valid claim generator, are the c2pa.actions present, and is it signed?"},{"title":"AI Act transparency compliance check","prompt":"We're reviewing user-uploaded media for AI Act Article 50 obligations — can you structurally inspect this C2PA manifest and tell me whether the digitalSourceType flags it as AI-generated and whether any assertions are missing?"}],"resultDescription":"Returns a structured report on the C2PA manifest covering: presence and content of the claim generator, list of assertions found, c2pa.actions history entries, whether the digitalSourceType field declares trained-algorithmic (AI-generated) media, and whether the manifest is signed — without performing cryptographic signature or certificate chain verification.","failureModes":["Malformed or non-JSON manifest body causes a parse error response","Missing required C2PA fields result in a report flagging absent components rather than an error","Manifest is unsigned — reported as a structural finding, not a verification failure","digitalSourceType absent or unrecognized — flagged in output rather than causing failure","Input schema mismatch (wrong bodyType or method) returns a 4xx validation error"],"whenToPreferThis":"Use this endpoint when you need a fast, lightweight structural audit of a C2PA content-credential manifest — particularly to detect AI-training media declarations, missing assertions, or unsigned manifests — and you do not need full cryptographic signature or certificate chain verification. Prefer this over full verification tools when the goal is compliance screening, pre-submission checks, or flagging AI-generated content disclosures under the EU AI Act.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:37:38.602Z","isFirstParty":false}