hCaptcha

hCaptcha Siteverify API

The /siteverify endpoint validates an hCaptcha response token submitted by a browser. The server POSTs the token, secret key, and optional remote IP, and receives a JSON response indicating success, hostname, timestamp, score (Enterprise), and any error codes. This is the canonical server-side check that gates form submissions and API calls behind an hCaptcha challenge.

hCaptcha Siteverify API is one of 5 APIs that hCaptcha publishes on the APIs.io network.

Tagged areas include Siteverify, Token Verification, and Server-Side. The published artifact set on APIs.io includes API documentation and an API reference.

GitHub

Documentation

📖
Documentation
https://docs.hcaptcha.com/
📖
APIReference
https://docs.hcaptcha.com/#verify-the-user-response-server-side

API entry from apis.yml

apis.yml Raw ↑ 
aid: hcaptcha:siteverify
name: hCaptcha Siteverify API
description: 'The /siteverify endpoint validates an hCaptcha response token

  submitted by a browser. The server POSTs the token, secret key,

  and optional remote IP, and receives a JSON response indicating

  success, hostname, timestamp, score (Enterprise), and any error

  codes. This is the canonical server-side check that gates form

  submissions and API calls behind an hCaptcha challenge.

  '
humanURL: https://docs.hcaptcha.com/
baseURL: https://api.hcaptcha.com
tags:
- Siteverify
- Token Verification
- Server-Side
properties:
- type: Documentation
  url: https://docs.hcaptcha.com/
- type: APIReference
  url: https://docs.hcaptcha.com/#verify-the-user-response-server-side