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hCaptchaProxy

Last updated Aug 10, 2025

An hCaptcha proxy n8n node that implements the server side logic to verify an hCaptcha request.

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Included Nodes

hCaptchaProxy

Description

n8n-nodes-hcaptcha

npm version

This is an n8n community node that enables verification of hCaptcha responses within your workflows.

The node acts as a proxy to the hCaptcha verification API, allowing you to securely validate user captcha tokens server-side as part of your automation.

  • 📦 View on npm
  • 🧩 Works with n8n self-hosted and n8n cloud
  • 🔒 Securely handles hCaptcha verification with secret keys

n8n is a fair-code licensed workflow automation platform.

Installation
Operations
Credentials
Compatibility
Usage
Resources
Version history


Installation

Follow the n8n community nodes installation guide to add this node to your n8n instance.


Operations

  • Verify hCaptcha token: Send a user’s hCaptcha response token and your secret key to the official hCaptcha verification endpoint to confirm validity.

Credentials

This node requires an hCaptcha secret key to authenticate with the hCaptcha API.

Prerequisites

  • Sign up for an hCaptcha account at https://www.hcaptcha.com/.
  • Register your site to get your Secret Key from the hCaptcha dashboard.

Authentication

  • The node uses this secret key as a credential.
  • In n8n, create an hCaptcha API credential and securely store your secret key.
  • Link this credential in the node’s settings when configuring workflows.

Compatibility

  • Minimum tested n8n version: v0.230.0
  • Compatible with n8n cloud and self-hosted setups.
  • No known incompatibilities as of this version.

Usage

  1. Add the hCaptcha Proxy node to your workflow.
  2. Select or create your hCaptcha API credential with your secret key.
  3. Pass the user’s hCaptcha response token to the node’s response parameter.
  4. Execute the node to verify the token with hCaptcha servers.
  5. Use the verification result (success boolean and additional data) in your workflow logic.

If you're new to n8n, check out the Try it out guide for basics.


Resources


Version history

  • v0.1.3: Initial release supporting hCaptcha response verification via secret key and token.