{"uid":"cap_xUqLeRrSTIMNs3YFz4p-T","slug":"factstamp-bulk-verification-6e84fa3b","name":"Factstamp Bulk Verification","description":"A whole bibliography or dependency manifest in one round trip, at the point of relying on the list: up to 12 items at a flat US$0.12 — 1 cent an item, against 2 cents for the same lookups one at a time. Every item is answered by the same door that answers a single call, so the verdicts cannot disagree. A list, not prose: a whole document belongs to /document. Pay per call here, or redeem a prepaid pack code (one answer-pack credit per three items, up to 25 items on that rail).","url":"https://agents.factstamp.dev/bulk?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"body":{"type":"object"},"type":{"const":"http"},"method":{"const":"POST"},"bodyType":{"const":"application/json"}},"additionalProperties":true},"output":{"type":"object","required":["type","example"],"properties":{"type":{"const":"json"},"example":{"type":"object"}},"additionalProperties":true}},"additionalProperties":false},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.12","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":"$0.12/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hTGbo-TijiKZUTU9FkBJy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.12","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Batch-verifies up to 12 items (citations, packages, entities) in a single API call at $0.01 per item, returning consistent verdicts from the same underlying verification engine.","exampleAgentPrompt":"Can you verify all 10 citations in my bibliography at once — DOIs, arXiv IDs, and package names — and tell me which ones are valid, stale, or retracted?","exampleUseCases":[{"title":"Academic bibliography pre-submission check","prompt":"I'm about to submit my research paper — can you run a bulk verification on all 12 citations in my reference list and flag any that are retracted, stale, or invalid?"},{"title":"Software dependency manifest audit","prompt":"Before we deploy, can you batch-check all the package versions in our requirements.txt and tell me which ones have known issues or are outdated?"},{"title":"Compliance screening of multiple entities","prompt":"I have a list of 8 company names and need to verify their registrations and screen them against sanctions lists in one go — can you do that?"}],"resultDescription":"A structured list of per-item verdicts covering validity, status (e.g. verified, stale, retracted, flagged), and relevant metadata for each submitted item — all answered by the same verification engine for consistency across the batch.","failureModes":["More than 12 items submitted (exceeds flat-rate limit)","Invalid item format (unrecognized DOI, arXiv ID, or package name)","Payment failure or invalid prepaid pack code","Mixed item types that cannot all be resolved in one batch","Rate limiting or service unavailability returning 402 or 5xx"],"whenToPreferThis":"Use this endpoint when you have 2–12 items to verify and want consistent, cost-efficient verdicts in a single round trip ($0.01/item vs $0.02/item for individual calls). Prefer it over the single-item endpoints when verifying a whole bibliography, dependency manifest, or entity list. Use the /document endpoint instead if you have unstructured prose text with embedded claims. Use the subscription/monitoring endpoint if you need ongoing re-checks rather than a one-time verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:30:14.927Z","isFirstParty":false,"canonicalSlug":"factstamp-bulk-verification-6e84fa3b"}