{"uid":"cap_6kV1k8BdyTgRoft7rVq-J","slug":"factstamp-bulk-verification-a9551a3e","name":"FactStamp Bulk Verification","description":"Check a whole bibliography or dependency manifest in one round trip, before you rely on the list: up to 12 items at a flat US$0.12 — 1 cent an item, against 2 cents for the same lookups one at a time. Every item is answered by the same door that answers a single call, so the verdicts cannot disagree. Pay per call here, or redeem a prepaid pack code (one answer-pack credit per three items, up to 25 items on that rail).","url":"https://factstamp.agentrails.workers.dev/bulk?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$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":{"type":"json","example":{"items":3,"results":[{"tool":"verify_citation","input":"10.1038/nature12373","verdict":"verified"}],"answered":3,"paid_with":{"rail":"x402_pay_per_call","settlement":{"success":true},"list_price_usd":0.12},"by_verdict":{"verified":2,"retracted":1},"unreadable":0,"receipt_url":"https://factstamp.agentrails.workers.dev/r/c41e77b2aa90d613"}},"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_H7AGG7hKHXrKhswUBFKvG","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":"Verify up to 12 citations or dependency packages in a single batch call at $0.12 flat, returning a verdict for each item.","exampleAgentPrompt":"Can you bulk-verify these 8 citations for me — DOIs 10.1038/nature12373, 10.1016/j.cell.2021.05.001, and six more from my bibliography — and tell me which ones are verified, retracted, or unreadable before I submit the paper?","exampleUseCases":[{"title":"Pre-submission bibliography audit","prompt":"I'm about to submit my paper and need to check all 10 citations in one go — can you verify these DOIs and tell me if any are retracted or can't be found: 10.1038/nature12373, 10.1016/j.cell.2021.05.001, 10.1126/science.aaa1028, 10.1371/journal.pone.0123456, 10.1093/bioinformatics/btaa123, 10.1101/2021.05.10.443464, 10.1002/jcc.21334, 10.1021/acs.jctc.1c00234, 10.1038/s41586-020-2649-2, 10.1145/3292500.3330919?"},{"title":"Dependency manifest pre-install check","prompt":"Before I run npm install, can you check these 12 packages from my package.json for any known issues — react@18.2.0, lodash@4.17.21, axios@1.4.0, express@4.18.2, typescript@5.0.4, jest@29.5.0, eslint@8.42.0, prettier@3.0.0, webpack@5.88.0, babel-core@7.21.8, dotenv@16.1.4, and uuid@9.0.0?"},{"title":"Research pipeline citation validation","prompt":"I have a batch of 11 arXiv papers my pipeline pulled in — can you verify all of them at once and give me a summary of how many are confirmed, retracted, or unreadable? The IDs are: 2106.09685, 2203.02155, 2301.07041, 2112.10752, 2005.14165, 1706.03762, 2204.02311, 2207.09069, 2302.04023, 2303.08774, 2109.01652."}],"resultDescription":"A JSON object with: total items count, per-item results array (each with tool name, input identifier, and verdict such as 'verified', 'retracted', or 'unreadable'), aggregate by-verdict counts, number answered, number unreadable, payment details including rail used and settlement status, and a receipt URL for the transaction.","failureModes":["Exceeds 12-item limit per call — request rejected","Invalid or malformed DOI/arXiv ID — item returned as unreadable","Payment settlement failure — call not processed","Identifier type not supported — verdict may be unreadable","Network timeout on upstream registry lookups — partial results or error"],"whenToPreferThis":"Use this endpoint when you need to verify multiple citations or packages in a single round trip rather than making individual calls — it costs half as much per item ($0.01 vs $0.02) and guarantees consistent verdicts across all items since they all go through the same verification logic. Prefer it when processing a bibliography, reference list, or dependency manifest of up to 12 items. For ongoing monitoring of a list, consider the standing re-check (watch) endpoint instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T06:38:37.982Z","isFirstParty":false,"canonicalSlug":"factstamp-bulk-verification-a9551a3e"}