{"uid":"cap_4Y0qOzpHrk6n0YgIjN3Ib","slug":"verity-suite-citation-pro-9f7ee13f","name":"Verity Suite Citation Pro","description":"The trust fabric for AI agents — calibrated, fail-closed services agents pay per call.","url":"https://verity-suite.onrender.com/cite/pro","method":"POST","headers":{},"bodySchema":{"type":"object","required":["statement"],"properties":{"statement":{"type":"string","description":"the factual claim to find supporting sources for"},"domain_hint":{"type":"string","description":"optional topic/field to focus the search (e.g. 'clinical', 'tax law')"}}},"responseSchema":{"type":"object","title":"citation_out","required":["verdict","support","citations","reasons"],"properties":{"caveats":{"type":"array","items":{"type":"string"},"title":"Caveats","description":"scope limits, partial coverage, conflicting evidence, or recency/quality concerns the caller should know"},"reasons":{"type":"array","items":{"type":"string"},"title":"Reasons","description":"concrete grounds for the verdict, including why any candidate sources were rejected (off-topic, unverifiable, low-quality, vague, contradicts)"},"support":{"type":"number","title":"Support","maximum":1,"minimum":0,"description":"calibrated 0..1: how strongly the retrieved sources actually establish the statement (0=none retrieved or contradicted, ~0.3-0.7=partial, 0.8-1.0=explicit and on-point)"},"verdict":{"enum":["supported","partially_supported","no_sources_found","contradicted"],"type":"string","title":"Verdict","description":"whether real retrieved sources actually support the statement; no_sources_found is the safe/uncertain value"},"citations":{"type":"array","items":{"type":"string"},"title":"Citations","description":"only sources actually retrieved this call and verified to bear on the statement; each entry = source identifier/title + what specifically it supports. Empty if none qualify."}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.35","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":"$0.35/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vjynTsDDNPURtB5K756qs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.35","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Finds and returns calibrated supporting citations for a factual claim, returning a verdict, support score, and verified source list","exampleAgentPrompt":"Can you check whether the claim 'regular aerobic exercise reduces the risk of cardiovascular disease by approximately 35%' is actually backed by real sources — focus on clinical literature — and give me a calibrated confidence score plus the specific citations you find?","exampleUseCases":null,"resultDescription":"Returns a verdict enum (supported, partially_supported, no_sources_found, or contradicted), a calibrated 0-to-1 support score indicating how strongly the retrieved sources establish the statement, an array of verified citation strings with what each specifically supports, concrete reasons for the verdict including why any candidate sources were rejected, and optional caveats about scope limits, conflicting evidence, or recency concerns.","failureModes":["No qualifying sources retrieved for the claim — verdict returns 'no_sources_found' with empty citations array","Claim is contradicted by retrieved sources — verdict is 'contradicted' with support score near 0","Statement is too vague or broad for sources to definitively support — partially_supported with low score","Domain hint narrows search too aggressively, missing relevant sources — caller should retry without domain_hint","Render.com cold-start latency causes timeout on first call after idle period","Payment of 0.35 USDC not fulfilled via x402 — call rejected before processing"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to ground a factual claim in real, retrievable sources before acting on or publishing it — especially when a calibrated confidence score and explicit rejection reasons matter. Prefer it over generic web search when you need a structured verdict with source quality filtering, or when operating in high-stakes domains like medical, legal, or financial where unverified claims carry risk. The fail-closed design (defaulting to no_sources_found rather than hallucinating support) makes it suitable for pipelines that require trustworthy citation provenance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:34:54.918Z","isFirstParty":false}