Description
With Mollie, you process payments using credit card, debit, iDEAL, Bancontact, and other methods supported by Mollie directly in forms created with WS Form, adding a complete payment gateway to the form fields without redirecting the user to an external checkout. This integration targets users who collect payments via custom order forms, recurring donations, or event registrations, keeping a seamless experience within the WordPress site.
Key Features of Mollie
- Native payment field
Adds a card/payment data field directly in the WS Form form, without the need for redirection. - Multiple payment methods
Supports credit card, debit, iDEAL, Bancontact, SEPA, and other methods available through Mollie. - API processing
Transactions are processed in real time via the Mollie API, ensuring security and reliability. - Simplified setup
Simply enter your Mollie API key in the addon settings in the WS Form panel. - Visual feedback to the user
Displays success or error payment messages within the form itself, informing the visitor.
Benefits of Mollie
- Higher conversion
Checkout without redirection reduces friction and increases the completion rate of paid forms. - Integrated experience
The visitor fills in and pays in the same form, without leaving your site. - Variety of payment methods
Serves European and international customers with popular local methods. - Security and compliance
Payments processed through the Mollie platform, which follows PCI DSS standards.
Who Should Use Mollie?
- Those already using WS Form to create forms and need to accept online payments without external redirection.
- Professionals who sell services, digital products, or accept donations and want a checkout process integrated to the registration form.
- Companies that serve European customers and require support for payment methods such as iDEAL, Bancontact, and SEPA.
How to Download Mollie
Mollie is available for download here on Ultrapack. After downloading the .zip file, install it via Plugins > Add New > Upload Plugin, select the .zip and activate. Then go to WS Form > Settings > Mollie and enter your API key to start processing payments.
The Mollie addon turns your WS Form forms into powerful payment collection tools, combining the flexibility of the form builder with the reliability of a well-established European gateway. If you need to charge for registrations, products, or donations within the form itself, without redirecting the visitor to another page, this extension offers the direct and efficient solution missing from your data collection flow.
Frequently asked questions
Is WS Form Mollie GPL-licensed?
Yes. WS Form Mollie is distributed under the GPL (GNU General Public License). You may legally use, modify and redistribute it on as many sites as you want.
Can I use WS Form Mollie on multiple sites?
Yes. You can install WS Form Mollie on as many sites as you want. Only automatic updates through Ultrapack Auto Updater have a limit: from 3 to 80 sites, depending on the plan.
How much does WS Form Mollie cost at Ultrapack?
WS Form Mollie costs US$2.99 as a single purchase, and it is also included in the subscription plans starting at US$12/mo (VIP I).
Does WS Form Mollie include updates?
Yes. The current version of WS Form Mollie is 1.0.1, published at Ultrapack on Jan 8, 2025. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).
Is WS Form Mollie scanned before publication?
Yes. Every version of WS Form Mollie goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.
What changed in this version
Version 1.0.1 Mar 1, 2024
- Bug Fix: Enqueued scripts were not working if credit card fields were not present
- Bug Fix: Fixed number formatting of amount sent to Mollie via SDK
Version 1.0.0 05/18/2024
- Initial release
Release notes published by the developer.
How to install
Automatic updates: this item is updated by the Ultrapack Auto Updater. With it installed, the new version shows up in your dashboard like any other WordPress update (how to set it up).
- Download the file
ws-form-mollie.zip. - In the WordPress dashboard, go to Plugins > Add New > Upload Plugin.
- Select the file
ws-form-mollie.zipand click Install Now. - Click Activate.
Stuck on a step? Open a ticket telling us which one you stopped at.

UAU Ready