{"uid":"cap_5VoBv1VE23SrHyAj6vet9","slug":"freshproof-evidence-pack-2b798af1","name":"FreshProof Evidence Pack","description":"Fetches up to five public web sources through FreshProofâ€™s hardened retrieval pipeline and returns sanitized, prompt-injection-scanned, citation-ready evidence with deterministic hashes and provenance metadata.","url":"https://freshproof-api-mainnet.up.railway.app/v1/evidence-pack","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","maxLength":2000,"minLength":1},"claims":{"type":"array","items":{"type":"string","maxLength":2000,"minLength":1},"default":[],"maxItems":20},"options":{"type":"object","default":{"includeLinks":true,"strictSafety":true,"createSnapshot":false,"includeSafeMarkdown":false,"maxEvidencePerSource":6},"required":["maxEvidencePerSource","includeSafeMarkdown","includeLinks","strictSafety","createSnapshot"],"properties":{"includeLinks":{"type":"boolean","default":true},"strictSafety":{"type":"boolean","default":true},"createSnapshot":{"type":"boolean","default":false},"includeSafeMarkdown":{"type":"boolean","default":false},"maxEvidencePerSource":{"type":"integer","default":6,"maximum":10,"minimum":1}},"additionalProperties":false},"sources":{"type":"array","items":{"type":"object","required":["url"],"properties":{"url":{"type":"string","pattern":"^https?://","maxLength":4096},"label":{"type":"string","maxLength":200,"minLength":1}},"additionalProperties":false},"maxItems":5,"minItems":1}}},"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_Z79CUkMKHOkbyQ1HoAqUD","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":"Fetches up to five public web sources through a hardened retrieval pipeline and returns sanitized, prompt-injection-scanned, citation-ready evidence bundles with deterministic hashes and provenance metadata.","exampleAgentPrompt":"Pull evidence from these three URLs — https://example.com/article1, https://example.com/article2, https://example.com/article3 — for the query 'global EV adoption trends 2024', check if the claim 'EV sales exceeded 10 million in 2023' is supported, include links, keep strict safety on, and give me up to 6 evidence items per source.","exampleUseCases":[{"title":"Multi-source fact-check for journalism","prompt":"I need to verify the claim 'Global renewable energy capacity doubled between 2015 and 2023' — can you pull evidence from https://iea.org/reports/renewables-2023, https://irena.org/statistics, and https://energy.gov/eere/renewable-energy against that claim with strict safety on and include citations?"},{"title":"Research briefing with cited sources","prompt":"Put together an evidence pack from https://who.int/news-room/fact-sheets/detail/malaria, https://cdc.gov/malaria/about/index.html, and https://malariaconsortium.org/resources for the query 'current malaria prevention methods', with links included and up to 8 evidence items per source."},{"title":"Competitive intelligence with provenance","prompt":"Fetch and sanitize content from https://openai.com/research, https://anthropic.com/research, and https://deepmind.google/research for the query 'latest large language model benchmarks 2024', verify the claim 'GPT-4 outperforms competitors on MMLU', and return a hash-verified evidence bundle I can cite."}],"resultDescription":"Returns a structured evidence pack containing sanitized text excerpts from each source URL, citation-ready snippets, deterministic document hashes for auditability, provenance metadata (source labels, retrieval timestamps), resolved links, and prompt-injection scan results. Each source yields up to the configured number of evidence items, and the bundle supports downstream claim verification and citation workflows.","failureModes":["Source URL is unreachable or returns non-200 status — that source is skipped or returns an error entry","Prompt injection detected in source content — content is flagged or sanitized, may be omitted in strictSafety mode","Malformed or non-HTTP(S) URL provided — validation error returned","More than 5 sources specified — request rejected with schema validation error","Query or claim string exceeds 2000 characters — rejected with validation error","Source returns non-text content (e.g. binary file) — may fail to extract evidence","Payment of 0.005 USDC not completed via x402 — request blocked with 402 response"],"whenToPreferThis":"Choose this endpoint when you need evidence from multiple web sources in a single call with safety guarantees — particularly when downstream tasks require deterministic hashes for auditability, prompt-injection protection, or citation-ready provenance metadata. It is preferable to single-URL retrieval endpoints when you have 2–5 known sources to cross-reference against one or more claims, and need the results bundled together with consistent formatting. Ideal for fact-checking pipelines, research agents, and compliance workflows where tamper-evident source attribution matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:34:07.418Z","isFirstParty":false}