{"resource":"https://agent402.tools/api/captcha-generate","service":"Captcha generate","areas":["other"],"answering":true,"http_status":402,"latency_ms":203,"price_usdc":0.001,"buyers_30d":4,"calls_30d":6,"description":"Mint a stateless captcha challenge to gate your OWN endpoint: returns a human prompt plus a salted sha256 answer hash you keep and verify later (sha256(salt + normalized answer) === answerHash) - no server state, no shared secret. Types: ma","id":"2e142bf35981","category":"Developer tools and utilities","checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/2e142bf35981"}