{"slug":"agent402-tools-api-captcha-verify-f64174","title":"Validate a Cloudflare Turnstile, Google reCAPTCHA, or hCaptcha token server-side","host":"agent402.tools","method":"POST","resource":"https://agent402.tools/api/captcha-verify","category":"market","description":"Validate a Cloudflare Turnstile, Google reCAPTCHA, or hCaptcha token server-side. You pass your OWN provider secret plus the token from the client; we relay to the provider's siteverify endpoint (never logged) and return the normalized verdict (success, hostname, action, score, error codes). The leg","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":941,"reported_calls_30d":7,"reported_payers_30d":1,"networks":["algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","eip155:10","eip155:1329","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:43114","eip155:4663","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","stellar:pubnet"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"provider":"turnstile","secret":"1x0000000000000000000000000000000AA","token":"XXXX.DUMMY.TOKEN.XXXX"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"provider":{"description":"turnstile | recaptcha | hcaptcha","type":"string"},"remoteip":{"description":"optional client IP to pass through","type":"string"},"secret":{"description":"your provider secret key (relayed to the provider, never stored/logged)","type":"string"},"token":{"description":"the captcha response token from the client","type":"string"}},"required":["provider","secret","token"]},"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":{"properties":{"errorCodes":{"type":"array"},"hostname":{"type":"string"},"provider":{"type":"string"},"success":{"type":"boolean"}},"required":["provider","success","hostname","errorCodes"],"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":0.002,"price_match":true,"latency_ms":941,"error":null}],"description_full":"Validate a Cloudflare Turnstile, Google reCAPTCHA, or hCaptcha token server-side. You pass your OWN provider secret plus the token from the client; we relay to the provider's siteverify endpoint (never logged) and return the normalized verdict (success, hostname, action, score, error codes). The legitimate backend half of bot protection - no solving, no bypass.","last_updated":"2026-09-22T11:55:46.949Z","schemes":["exact","upto"]}