Pronamic Pay with Mollie for Ninja Forms


Pronamic Pay · Pronamic · GitHub

Accept payments with Mollie and Ninja Forms. This free plugin is all that you need to connect your Ninja Forms forms to Mollie. The installation is as easy as creating a form. Just add your form fields, choose a payment amount and add a list of the available payment methods from Mollie. You can choose which payment methods you want to embed in your form.


This plugin is developed from the idea that online payments should be easy. Some of the features:

  • Easy install
  • Support for most major payment methods
  • Payment status pages
  • Automatic payment status updates via Mollie webhooks and the WordPress REST API
  • High quality support
  • Built by Pronamic

External services

This plugin uses a number of external services to initiate payments. These are documented below with a link to the service’s Terms of Use.

Mollie API

This plugin provides the link between the forms plugin Ninja Forms and payment provider Mollie. To communicate with Mollie, this plugin connects to the Mollie API via The documentation for the Mollie API can be found at, Mollie’s user agreement can be found at From your WordPress website, customer and payment data can be passed on to Mollie for setting up and processing payments.

VIES VAT number validation

If a payment via this plugin is initiated with a VAT number, this plugin will attempt to validate this VAT number via the VIES VAT number validation. The VIES VAT number validation is an online service provided by the European Union that allows businesses to verify the validity of VAT numbers issued by EU Member States. This is important for businesses that are trading with companies in other EU countries, as it helps to ensure that they are only dealing with legitimate businesses. Communication with this service is done via the URL. The disclaimer for this service can be consulted via and the privacy statement via

Pronamic Pay Premium

With a Pronamic Pay Premium license, you get access to exceptional support and a range of exclusive benefits that take your payment experience to the next level.

Premium support

  • Fast and expert help from our team of specialists.
  • Priority treatment for your support tickets.

Premium add-ons

  • Pronamic Pay Fundraising Add-On
    Easily create online fundraising and crowdfunding campaigns.
  • Pronamic Pay Notification Add-On
    Set up extensive notifications for payers and administrators.
  • Pronamic Pay WP All Export Add-On
    Export all your payment data with a few clicks.

And much more!

Discover all the benefits of Pronamic Pay Premium at

Upgrade to Pronamic Pay Premium now and take advantage of all the benefits!



  • Payment Gateway Configurations
  • Edit Payment Gateway Configuration


  1. To install this plugin you can follow the WordPress documentation section “Installing Plugins“.
  2. After installation you can follow the manual “How to connect Pronamic Pay to Ninja Forms“.


March 7, 2024
As a developer of the Pronamic Pay with Mollie for Ninja Forms plugin, I think this plugin is the best integration between Mollie and Ninja Forms. This plugin makes optimal use of, for example, the WordPress HTTP and REST API. The quality of the code is high, WordPress Coding Standards are strictly adhered to. In addition, Mollie users can count on the knowledge and experience of Pronamic, a Dutch WordPress development company. We are very proud of our support department, support issues are handled quickly and by WordPress developers/experts. If you also want to work with other solutions in addition to Mollie and/or Ninja Forms, Pronamic Pay is the answer. We support many other popular payment providers and WordPress plugins.
Read all 1 review

Contributors & Developers

“Pronamic Pay with Mollie for Ninja Forms” is open source software. The following people have contributed to this plugin.




  • First release.