{"uid":"cap_8tVm5KaG9eJrD96ilKLF9","slug":"arakel-machine-evidence-network-machine-prove-endpoint-096dcfc7","name":"ARAKEL Machine Evidence Network – Machine Prove Endpoint","description":"Machine-verifiable official-source evidence with free preflight and x402 USDC payments on Base.","url":"https://proof.arakelproof.space/v1/machine/prove","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":["source","from","to"],"properties":{"to":{"type":"string","format":"date-time"},"from":{"type":"string","format":"date-time"},"term":{"type":"string","description":"Optional search term"},"entity":{"type":"string","description":"Company, person, entity, ticker, CIK, recipient, or organization"},"source":{"enum":["federal-register","ofac","fda","usaspending"],"type":"string","description":"Currently enabled official source adapter"},"event_type":{"type":"string","description":"listing_present, listing_added, recall, award, publication, etc."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"result":"OBSERVED|NOT_OBSERVED|INCONCLUSIVE","schema":"arakel.machine-evidence.v2","source":{"id":"ofac"},"signature":{"alg":"Ed25519"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Ue9BqbhfHTvBNPlS83j1z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns cryptographically signed machine-readable evidence proofs (OBSERVED, NOT_OBSERVED, or INCONCLUSIVE) about entities checked against official sources such as OFAC sanctions lists, with support for free preflight, $0.005 quick checks, batch checks, and counterparty dossiers.","exampleAgentPrompt":"Before I send funds to this wallet address 0xABC123, check it against OFAC and any available official watchlists and give me a signed NOT_OBSERVED proof I can keep for compliance records.","exampleUseCases":[{"title":"Sanctions check before crypto payment","prompt":"I'm about to wire USDC to a new vendor — can you run their company name 'Meridian Trading LLC' through OFAC and other official sources and get me a signed machine proof of the result?"},{"title":"Onboarding compliance screen","prompt":"We're onboarding a new business partner called 'Novex Capital Group' — screen them against all available official watchlists and give me a full counterparty dossier with a cryptographic proof I can attach to the compliance file."},{"title":"Wallet address watchlist verification","prompt":"Check wallet address 0xDeadBeef99 against OFAC sanctions and any other enabled official sources — I need a signed OBSERVED or NOT_OBSERVED proof returned in machine-readable format."}],"resultDescription":"A JSON object containing: a `result` field with value OBSERVED, NOT_OBSERVED, or INCONCLUSIVE; a `schema` identifier (arakel.machine-evidence.v2); a `source` object identifying the official data source checked (e.g. OFAC); and a `signature` object with an Ed25519 cryptographic signature attesting to the result's authenticity.","failureModes":["Entity not found in any enabled source → returns INCONCLUSIVE","Invalid or malformed entity identifier → 400 bad request","Source temporarily unavailable → may return INCONCLUSIVE or error","Payment not received or insufficient → 402 Payment Required","Rate limit exceeded → 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when you need machine-readable, cryptographically signed compliance evidence — particularly NOT_OBSERVED proofs — from official sources like OFAC, suitable for automated compliance workflows, audit trails, or counterparty due diligence before financial transactions. Prefer it over generic sanctions databases when you need an Ed25519-signed proof artifact rather than a human-readable report.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:30:46.051Z","isFirstParty":false}