{"slug":"shelf-thirdmade-net-probe-hallucination-check-7b79fb","title":"Entailment scoring","host":"shelf.thirdmade.net","method":"POST","resource":"https://shelf.thirdmade.net/probe/hallucination-check","category":"search","description":"Entailment scoring: does the provided context support this claim? Research agents use this to self-check outputs.","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":20,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"POST","queryParams":{"claim":"Base is an Ethereum L2.","context":"Base is an Ethereum L2 incubated by Coinbase."},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["POST"],"type":"string"},"queryParams":{"properties":{"claim":{"description":"Claim to check","type":"string"},"context":{"description":"Evidence/context text","type":"string"}},"required":["context","claim"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":20,"error":null}],"description_full":"Entailment scoring: does the provided context support this claim? Research agents use this to self-check outputs.","last_updated":"2026-08-30T22:39:48.258Z","schemes":["exact"]}