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Hcaptcha widget for Plone.

Project description


plone.formwidget.hcaptcha is a z3c.form HCaptcha widget for use with Plone.

It is a re-work of the ‘plone.formwidget.recaptcha’_ package original written by Timo Stollenwerk.

Buildout Installation

Add the following code to your buildout.cfg to install plone.formwidget.hcaptcha:


eggs =

HCaptcha setup

There is a control panel at http://path/to/site/@@hcaptcha-settings to configure the Addon. HCaptcha provides test keys, that can be used to try out the hcaptcha form and documentation at

Site key: 10000000-ffff-ffff-ffff-000000000001

Secret key: 0x0000000000000000000000000000000000000000

To actually use the service, you must obtain a site key and secret key from


See the demo folder inside the distribution for an example usage.


You can add a captcha field in an XML model by adding something like this:

<field name="captcha" type="plone.formwidget.hcaptcha.HCaptchaWidget">
  <title>Solve Captcha</title>

Source Code

Contributors please read the document Process for Plone core’s development

Sources are at the Plone code repository hosted at Github.


1.0.2 (2022-06-23)

New features:

  • Add an adapter to show the controlpanel in Volto [erral] (#8)

  • Dutch translation for public validator error message. [fredvd] (#10)

Bug fixes:

  • Create translation files [erral] (#9)

1.0.1 (2022-02-20)

New features:

  • Move CI from TravisCI to Github Actions [jensens] (#29)

Bug fixes:

  • Verify against hcaptcha API with correct URL and api path, code was still checking against recaptcha siteverify api. [fredvd]

    Remove IP from sent api call as it can be considered GDPR violation. [fredvd] (#2)

1.0.0 (2021-06-10)

  • Initial release. [andreasma]

Project details

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plone.formwidget.hcaptcha-1.0.2.tar.gz (23.5 kB view hashes)

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