{"name":"source-trust-envelope","description":"Send a URL, get one verdict on whether your agent should trust and cite it. Composite: one call runs content-authenticity-report (required, is the content AI slop), web-search (degradable, does the claim show up on independent domains), and website-trust-report (degradable, domain reputation, risk flags, TLS, lookalike risk) in parallel. Returns trust_verdict (trusted/mixed/untrusted) from deterministic thresholds, a 0-1 trust_score blend, and the per-signal breakdown. A search or domain-trust outage degrades that signal; a content-authenticity failure fails the call, since that is the core signal. Heuristic, not forensic. Use it as a source trust API, citation trust check, credibility scorer, or pre-citation gate for research agents.","price":"$0.07","method":"POST","input_schema":{"properties":{"url":{"type":"string","description":"Page to evaluate (http/https). Max 2048 chars."}},"required":["url"]},"input_example":{"url":"https://en.wikipedia.org/wiki/Artificial_intelligence"},"output_example":{"url":"https://en.wikipedia.org/wiki/Artificial_intelligence","trust_verdict":"trusted","trust_score":0.87,"content_authenticity":{"authenticity_score":0.9,"text_verdict":"likely_human","image_verdict":null},"corroboration":{"level":"strong","distinct_domains":3,"sample_urls":["https://www.britannica.com/technology/artificial-intelligence"]},"domain_trust":{"available":true,"flags":[],"lookalike_risk":"none","tls_present":true,"age_days":9000,"registrar":"MarkMonitor"},"composed_of":["content-authenticity-report","web-search","website-trust-report"],"components":[{"name":"content-authenticity-report","ok":true,"ms":900}],"degraded":false},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}