{"slug":"verdict-kechlab-com-v1-canary-check-ac074e","title":"Did a model reply leak what it should keep secret?","host":"verdict.kechlab.com","method":"POST","resource":"https://verdict.kechlab.com/v1/canary-check","category":"code","description":"Did a model reply leak what it should keep secret? Canary tokens and secret phrases searched by code (even split, spaced or uppercased), then paraphrases of the system prompt read by the engine. Returns clean, review or leak.","price_listed":0.0092,"price_asked":0.0093,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1720,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"canaries":["ZEBRA-4471"],"output":"Our store opens at 9 am and closes at 6 pm on weekdays."},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"canaries":{"description":"list of 1 to 10 tokens or phrases that must never come out","items":{"type":"string"},"type":"array"},"output":{"description":"the model reply to check","type":"string"},"secret_text":{"description":"(optional) confidential text (system prompt) whose paraphrases are also searched"}},"required":["output","canaries"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-20","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.0093,"price_match":false,"latency_ms":1720,"error":null}],"description_full":"Did a model reply leak what it should keep secret? Canary tokens and secret phrases searched by code (even split, spaced or uppercased), then paraphrases of the system prompt read by the engine. Returns clean, review or leak.","last_updated":"2026-10-20T13:34:00.794Z","schemes":["exact"]}