{"name":"onyx_review_truth","tier":"premium","price_usdc":"0.15","endpoint":"https://onyx-actions.onrender.com/v1/onyx_review_truth","method":"POST","input_schema":{"type":"object","properties":{"entity":{"type":"string","description":"Product, business, service, or seller to check the live reputation of."},"aspect":{"type":"string","description":"Optional specific aspect to focus on (e.g. 'shipping speed', 'customer support', 'refunds')."}},"required":["entity"]},"description":"Reputation ground-truth oracle. Give a product/business/service (+ optional aspect like 'shipping' or 'support'); get a SIGNED, web-grounded read of what real customers say right now — the aggregated public sentiment and the cited sources, as actually observed. Onyx attests WHAT WAS OBSERVED, not a trust ruling: the agent forms its own judgment from the signed evidence. For an agent about to recommend, buy from, or partner with an entity. Never fabricated.","when_to_use":"Before an agent recommends, purchases from, or partners with a product/business/seller. To get a live, signed reputation reading instead of a hallucinated 'it's reputable'. Optionally focus on one aspect.","vs_alternatives":"Generic web search returns links to parse. Review-aggregator APIs are platform-locked and rate-limited. This returns one signed, sourced sentiment observation an agent can act on and verify — with the trust conclusion left to the agent (we attest evidence, not opinions).","example_request":{"entity":"Acme Hosting","aspect":"uptime"},"example_response":{"ok":true,"attested_claim":"observation","observed_sentiment":{"label":"neutral","score":0.1},"source_count":7},"settle_to":"0x3fD9ee1373562f894D322B37DFFAd7a5D2b2d78f","network":"base","facilitator":"https://facilitator.xpay.sh","payment_required":true,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}