{"uid":"cap_ovOETE_CGXgad-ffwk7vp","slug":"arakel-machine-evidence-network-evidence-bundle-f0a3f0e2","name":"ARAKEL Machine Evidence Network – Evidence Bundle","description":"Machine-verifiable official-source evidence with free preflight and x402 USDC payments on Base.","url":"https://proof.arakelproof.space/v1/evidence-bundle","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["term","from","to"],"properties":{"to":{"type":"string","format":"date-time","description":"UTC interval end"},"from":{"type":"string","format":"date-time","description":"UTC interval start"},"term":{"type":"string","description":"Federal Register event or search term"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"detail":"evidence-bundle","result":"OBSERVED|NOT_OBSERVED|INCONCLUSIVE","schema":"arakel.intervalproof.v1","source":{"id":"federal-register"},"coverage":{"sufficient":true},"signature":{"alg":"Ed25519"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eOhuZN-wnYIdRcJyIdDkE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a cryptographically signed machine-readable evidence bundle (OBSERVED, NOT_OBSERVED, or INCONCLUSIVE) from official sources for a given subject or counterparty.","exampleAgentPrompt":"Can you pull a signed ARAKEL evidence bundle for Acme Logistics LLC against the federal-register source and tell me whether they're OBSERVED, NOT_OBSERVED, or INCONCLUSIVE — I need the cryptographic proof for our compliance file.","exampleUseCases":[{"title":"Vendor onboarding compliance check","prompt":"Before we onboard Brightwave Solutions as a vendor, can you get a signed machine evidence bundle from ARAKEL checking whether they appear in the federal register? I need the OBSERVED or NOT_OBSERVED result plus the Ed25519 signature for our compliance team."},{"title":"Sanctions and registry due diligence","prompt":"Run an ARAKEL evidence check on counterparty 'Nova Capital Partners' across official sources — I need to know if they're listed, not listed, or inconclusive, and I want the signed proof document so our legal team can keep it on file."},{"title":"Automated batch counterparty dossier","prompt":"I have a list of 10 entities I need to screen before our board meeting — can you use ARAKEL to pull evidence bundles for each of them from official sources and flag which ones come back as NOT_OBSERVED or INCONCLUSIVE?"}],"resultDescription":"A JSON evidence bundle containing: a result field (OBSERVED, NOT_OBSERVED, or INCONCLUSIVE), the source ID consulted (e.g. federal-register), a coverage.sufficient boolean indicating whether the source coverage is adequate for a reliable result, and a cryptographic signature (Ed25519) authenticating the bundle under the arakel.intervalproof.v1 schema.","failureModes":["Insufficient coverage: source does not cover the queried subject, returns coverage.sufficient = false","Inconclusive result: subject partially matches records, cannot definitively confirm or deny","Invalid subject identifier: malformed or unrecognized entity input returns an error","Source unavailable: official source temporarily offline or not enabled, returns error","Payment failure: $0.25 USDC not authorized, request rejected before bundle is generated","Rate or batch limits exceeded: too many concurrent requests rejected"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically signed, machine-verifiable attestation of whether an entity appears in official sources — particularly for compliance, legal, or due diligence workflows where a NOT_OBSERVED proof is as important as an OBSERVED one. Prefer it over manual lookups or generic web searches when you need a signed, schema-versioned artifact (arakel.intervalproof.v1) that downstream systems or auditors can verify programmatically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:44:38.366Z","isFirstParty":false}