{"uid":"cap_UnMchDcQjZsTWKwrVlxGi","slug":"realcite-filing-verifier-55ebdce5","name":"RealCite Filing Verifier","description":"Verify an SEC filing: given a filer's CIK and a claimed accession number, does that filing actually exist, and does its form type/filing date match what's claimed? Checked against SEC EDGAR's submissions API. Catches a fabricated or misattributed filing citation, including a real-looking accession number paired with an invented form type or date.","url":"https://goodsong.dev/verify/filing","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"cik":{"type":"string","description":"The filer's SEC Central Index Key (CIK), e.g. '320193' or '0000320193'."},"form_type":{"type":"string","description":"Optional expected form type, e.g. '10-K', '8-K', '4'."},"filed_date":{"type":"string","description":"Optional expected filing date (YYYY-MM-DD) to cross-check."},"accession_number":{"type":"string","description":"The filing's SEC accession number, e.g. '0000320193-23-000106'."}}},"responseSchema":null,"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_pe8zqPVzv9b2OpEX6hwKq","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":"Verifies an SEC filing by checking whether a given CIK and accession number exist in EDGAR, and whether the claimed form type and filing date match the official record.","exampleAgentPrompt":"Can you verify that SEC filing 0000320193-23-000106 for Apple (CIK 320193) actually exists in EDGAR and that it's really a 10-K filed on 2023-11-03?","exampleUseCases":[{"title":"Fact-checking AI-generated financial reports","prompt":"An AI assistant cited SEC filing 0001193125-24-012345 for Tesla (CIK 1318605) as a 10-K filed on 2024-02-15 — can you check EDGAR to confirm that accession number actually exists and that the form type and date are correct?"},{"title":"Validating research sources before publication","prompt":"Before I publish this analysis, please verify that the 8-K filing I'm citing — accession number 0000021344-23-000089, CIK 21344 — actually exists in EDGAR and matches the form type 8-K I've noted."},{"title":"Detecting hallucinated SEC citations in legal documents","prompt":"This legal brief references an SEC Form 4 filing with accession number 0000950170-22-001234 for a company with CIK 1067983 — can you check if that filing is real and whether the form type is actually a 4?"}],"resultDescription":"Returns whether the filing exists in EDGAR for the given CIK, and if optional fields were provided, whether the form type and/or filing date match the official record. Flags mismatches or non-existent filings so fabricated or misattributed citations can be caught.","failureModes":["CIK does not exist in EDGAR — returns not found","Accession number format is malformed — may return parse error or not found","SEC EDGAR API is temporarily unavailable — upstream timeout or error","Filing exists but form type provided doesn't match — returns mismatch with actual form type","Filing exists but date doesn't match claimed date — returns mismatch with actual date"],"whenToPreferThis":"Use this endpoint when you need to verify the authenticity of a specific SEC filing citation, especially when an AI model, analyst, or document has provided a CIK-accession number pair and you want to confirm it isn't hallucinated or misattributed. Prefer this over generic web search when you need a definitive, structured answer checked directly against EDGAR's authoritative submissions API.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:44.171Z","isFirstParty":false}