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Verifying the user's response | reCAPTCHA | Google for Developers

https://developers.google.com/recaptcha/docs/verify

“This page explains how to verify a user's response to a reCAPTCHA challenge from your application's backend. For web users, you can get the user’s response token in one of three ways: g-recaptcha-response POST parameter when the user submits the form on your site...” (from the page’s text)

Topic: Technology
Quality: Not rated yet
Language: English
Text on page: 2,208 characters
Page size: 67 kB
Answered: OK (200), HTML
Last read: 8 Jul 2025
In our index since: 8 Jul 2025
Safe search: Not checked yet
Links to it: Linked from 1 site

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https://developers.google.com/recaptcha/docs/invisible “Verify the User’s Response”
https://developers.google.com/recaptcha/docs/versions “Verify the User’s Response”
https://developers.google.com/recaptcha/docs/v3 “Verify the User’s Response”
https://firebase.googleblog.com/2017/08/guard-your-web-content-from-abuse-with.html “verify the response”
https://developers.google.com/recaptcha/docs/display “Verify the User’s Response”
https://developers.google.com/recaptcha/docs/verify “Verify the User’s Response”
https://firebase.googleblog.com/2017/08 “verify the response”
http://firebase.googleblog.com/2017/08/ “verify the response”

Sites: developers.google.com, firebase.googleblog.com

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