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Paytium - iDEAL forms, buttons & donations

The easy way to add iDEAL buttons, payment forms (with custom fields) and donations to your WordPress site!

You don't need complex plugins or integrations to start accepting iDEAL in WordPress! Get (test) payments running on your site within 15 minutes!

Use Paytium to create a simple iDEAL payment button, a payment form (NL: betaal formulier) or a small webshop. You can also use Paytium for subscriptions/recurring payments.

After completing a short and guided setup, you can start adding iDEAL to your posts or pages. Shortcodes can be inserted with a few clicks directly from the iDEAL button in the WordPress editor.

Flexible: get creative with payments

There is no limit to the amount of payment buttons and forms you can create in your posts and pages. You can use different amount types.

  • static, users just click the "Pay €20" button
  • dynamic, users select an amount in a dropdown
  • custom, users enter an amount in a text field

Examples of what you can do

  • Collect donations for charity, allow people to enter their own amounts
  • Add a link to your site on your invoices and ask customers to pay online
  • Sell simple products, with registration of customer address details
  • Accept online payments for services such as a workshop or coaching sessions
  • And more!

Custom fields: collect all the information you need

Need more information from your customers, or want to ship something? Add your own flexible custom fields and view the collected information in the WordPress admin. You can create an email field, text fields, text area's, radio buttons, checkboxes, dropdowns and a Terms & Conditions checkbox. Read more in the FAQ.

Yes, this is the Gravity Forms & iDEAL alternative you have been waiting for!

Automatically process recurring payments

Paytium also supports recurring payments. Setup a simple subscription, ask customers to pay once to confirm, and see how the next payments come into your bank account automatically. Recurring payments also work with iDEAL payments! When iDEAL is used for the first payment, the next (automatic) payments are processed with SEPA direct debit (automatische incasso).

iDEAL, MisterCash and more

Besides iDEAL you can also accept payments with creditcards, Bancontact/Mister Cash, SOFORT, Bitcoin, Belfius and other payment methods! View a full list at Mollie.

Why iDEAL via Mollie?

Why does Paytium only support Mollie as payment service provider?

  • Mollie is the cheapest payment provider with 29 cents per iDEAL transaction
  • Your money is automatically wired to your bank account daily, and for free
  • No hidden, setup or monthly costs, only pay for actual transactions
  • Fully certified by "De Nederlandsche Bank" (DNB), just like the big banks
  • Mollie is the very best in payments, based on my experience with iDEAL since 2008
  • Super fast and friendly helpdesk (via email and telephone)

Read more about Mollie

Built by iDEAL expert

This plugin is created by payments expert and Dutch developer David de Boer. He spoke about iDEAL in WordPress during WordCamp Netherlands 2015 and WordPress Meetup Nijmegen.

Stand-alone! Not an iDEAL integration for WooCommerce or other plugins!

Advice, support or feedback

You can always ask David anything about online payments and iDEAL. Just email

More information

Author David de Boer
Contributors davdebcom
Tags bancontact, betaalformulier, betalingen, donaties, donation, doneren, iDEAL, mollie, payments, shop, webshop, webwinkel
  1. paytium screenshot 1

    Add payment buttons to posts or pages - Click on the iDEAL icon in the WordPress editor to quickly add shortcodes in your posts or pages. These shortcodes will be converted to payment buttons and your visitors can use iDEAL or other payment methods to pay for your products or services.

  2. paytium screenshot 2

    Payment buttons are flexible - Set a static amount to be paid, ask for donations (custom amounts!) or allow visitors to select an amount for a specific product/service via a dropdown.

  3. paytium screenshot 3

    Collect customer details - Need more information, or want to ship something to your visitors? Add your own custom fields and new fields will be added to the payment button!

  4. paytium screenshot 4

    Payments processed via API - After clicking "Pay" visitors will immediately be redirected to secure payment provider Mollie, which will process the payments and wire the funds to your own bank account. Mollie is certified by the Dutch national bank 'De Nederlandse Bank (DNB)'.

  5. paytium screenshot 5

    Review all payments and their status - Check the status of all payments directly in the WordPress admin. Use the built-in "Order Status" to keep track of your own processing directly in WordPress.

  6. paytium screenshot 6

    Easy to get started with accepting payments - The built-in wizard helps you to quickly connect your WordPress website to your new or existing account. You can be accepting real payments within one business day (often faster)! The entire process is explained in detail in the wizard itself.

Plugin installation

The easiest way to install Paytium is to login to WordPress and go to Plugins > New Plugin. Search for "Paytium" and open the detail view. Click "Install now".

For a manual installation download the plugin from the WordPress repository, and after unzipping it, upload the folder "paytium" to the "wp-content/plugins" directory of your WordPress site.

Setup your Mollie account

You can create a new Mollie account or connect an existing account via the Setup Wizard ("Installatie hulp" in Dutch) in Paytium itself under Paytium > Setup Wizard. The Setup Wizard helps you configure your Mollie account, so you can start accepting payments as soon as possible.

Mollie is a Dutch payment service provider (PSP) which will process your payments and wire your payments to your bank account daily. They are certified by the Dutch national bank (DNB) and are checked just as strict as normal Dutch banks.

Add payment buttons with shortcodes

After having set up your Mollie account, you can navigate to Posts or Pages in WordPress and open an existing or new page/post. In the page/post edit view you will now see an iDEAL icon in the WordPress editor. Use that iDEAL icon to add default Paytium shortcodes. Feel free to edit texts or amounts. These shortcodes will be transformed to actual iDEAL payment forms and buttons on your site.

Read more about the various options in the FAQ.

1.3.1 - October 25th, 2016

  • Error shown when customer_id was not set in certain cases
  • Improved PHP 5.3 compatibility by switching back to old-style array syntax
  • Solved a fatal error on PHP versions below PHP5.5, where empty() doesn't support more than $variables
  • Removed check for multiple [paytium_subscription /] tags in one form, incorrectly checks entire content, not just form
  • Improved CSS for "User Entered Amounts" so currency and field fit on one line in most themes (.pt-form-group .pt-uea-container input[type="text"])

1.3.0 - October 16th, 2016

  • NEW: Added support for subscriptions/recurring payments with [paytium_subscription /] shortcode
  • FIX: Added default css for .pt-checkout-form button
  • FIX: Fixed issue that made all fields required, even if set to required=false

1.2.0 - October 7th, 2016

  • Updated the CSS for fields of the payment form so it automatically works better with more themes
  • Updated Mollie API to version 1.6.6/1.7.0 with support for new APIs, Customers and Subscriptions support coming soon
  • Added newsletter opt-in notice
  • De-minify admin.css and remove admin.scss, as I don't use sass for this plugin
  • Added Extensions page so users can show interest in new features
  • Other minor UI improvements and fixes

1.1.0 - September 13th, 2016

  • NEW: Added custom fields, current types: text field, text area, email field, radio buttons, checkbox, dropdown, terms & conditions checkbox
  • NEW: Added a hook after payment, so you can hook into the messages after payment and for example redirect to another page
  • NEW: Added Dutch language file for form validation, for example "Dit veld is verplicht" instead of "This field is required."
  • NEW: Added new option: button_label="KOPUH!" for custom button text in your forms
  • Optimized the code that processed customer_details="true" to use new custom fields process, keeping it backwards compatible
  • Form and field CSS improvements (field margins etc)
  • Fixed typo in URL to
  • In CSS removed pt-radio-group margin, caused issues in some themes

1.0.4 - April 15th, 2016

  • Added check for no or low amounts, shows a better error when people don't enter an amount or a too low amount
  • Cleaned up processing javascript
  • Setup wizard > Create profile, make warning more prominent with pt-alert-danger
  • Bug fix for "Notice: undefined variable html"
  • Removed transaction_id column in Payments overview, not useful for the average user

1.0.3 - March 24th, 2016

  • Changed to profile-verified for consistency with other API methods
  • Change client to wordpress (lowercase) for API communication
  • Show Mollie transaction ID in Payment overview and edit view
  • Add Paytium payment ID to Mollie description
  • Update Next step button in Setup wizard > Create profile to go to Payment test instead of Create product step
  • Bug fix: incorrect API key used to check status of payments, so status was not updated in WP
  • Correct continue button in Setup Wizard > Activate account to link to First product tab

1.0.2 - March 15th, 2016

  • Fixed issue in Setup Wizard with javscript typo (at least in Firefox and Safari)

1.0.1 - March 8th, 2016

  • Turn test mode off in communication to Mollie API
  • Added Dutch (nl-NL) language file
  • Small changes and typos

1.0.0 - March 8th, 2016

  • Hooray, first public version!

Where can I find the documentation?

Paytium is a very simple plugin and does not need a lot of documentation. Please read the description, see the tab "Installation", "FAQ" and view the below YouTube video. If you still have questions, feel free to email

Can I get advice and support about implementing iDEAL and this plugin?

Yes, it would be my pleasure to advice you on the best way to implement iDEAL payments, email

How do I setup subscriptions/recurring payments with Paytium?

To setup a new recurring payment, your customer should manually place a "first" payment via Paytium. After that first payment is confirmed by the customer, new payments will be automatically created and processed based on the interval and times you set.

This is an example of a subscription in Paytium, this example should "just" work if you copy it to your website. In the example, after the first payment the customer will be charged for €99 every 7 days for 10 times.

[paytium name="Subscription store" description="Some subscription" amount="99,00"] 
[paytium_subscription interval="7 days" times="10" /] 
[paytium_field type="name" label="Full name" required="true" /] 
[paytium_field type="email" label="Your email" required="true" /] 
[paytium_total /] 

For recurring payments you need to use the [paytium_subscription /] shortcode and two fields with type name and type email. All three are required. You can also optionally add other fields with the custom field functionality explained in the below FAQ item.

Parameter interval in [paytium_subscription /] is required and can be days, weeks, months. For example if you want charge the customer every 3 days, set it to "3 days". Parameter times in [paytium_subscription /] is not required. Times are the total number of charges for the subscription to complete. Leave empty for an on-going subscription.

How do I use my own (custom) form fields in Paytium?

You can create your own payment forms by using custom fields in Paytium. Custom fields are relatively easy to use, just add a shortcode for the field you want to use. After installing Paytium you can find examples under the iDEAL icon in the WordPress post editor. In the dropdown select "Field examples (text, textarea, email)" to get inspired. All available options are also listed below. You can add as many fields as you like, but they should have unique labels.

  • Text:

    [paytium_field type="text" label="Your text" required="true" /]

  • Text area:

    [paytium_field type="textarea" label="Your text area" required="true" /]

  • Email:

    [paytium_field type="email" label="Your email" required="true" /]

  • Checkbox:

    [paytium_field type="checkbox" label="Meals" options="Breakfast/Lunch/Dinner" required="true" /]

  • Radio button:

    [paytium_field type="radio" label="Want a cookie?" options="Yes/No" required="true" /]

  • Dropdown:

    [paytium_field type="dropdown" label="Country" options="Belgium/The Netherlands/Germany" required="true" /]

  • Terms & conditions:

    [paytium_field type="terms" label="I accept the terms & conditions" link="" required="true" /]

Even more control over custom fields?

For more granular control, try using the parameters!

  • Set the field type at the type parameter, and options are: text, textarea, email, checkbox, radio, dropdown, terms.
  • To change the label/name of a field, set your custom label at the label parameter.
  • If a field should really be filled by a user, set the required parameter to "true", and otherwise "false".
  • The checkbox, radio button and dropdown fields have an extra parameter options where you can set the options your users can choose form.
  • The Terms & Conditions field needs to be set to required to true, so users can only submit the form if they accept the terms. Using the link parameter you can add the URL to your Terms & Conditions.

Can I use Paytium on local WordPress installations?

No, you can't. Payments can not be processed when originating from a desktop or localhost WP installation. I advice installing and using Paytium on live sites only. Of course if you want to test things, you can install Paytium in a WordPress installation that's in a subfolder, for example

Do I need a chamber of commerce number to accept iDEAL payments?

Yes, according to law you really need to be a company, and have a "Kamer van Koophandel" number to accept iDEAL payments.

What if the Setup Wizard doesn't work?

Got directly to Mollie, create an account, and copy the profile keys to Paytium > Settings.

Can I redirect users to another page after the payment?

There is a hook which you can call to redirect users to another page after they return to the site. The hook is called 'paytium_after_pt_show_payment_details' and you can add it to your functions.php file. There is an example of the code on Github. Replace "/category/geen-categorie/" at location.replace with the URL you want to redirect to.

I don't want to redirect users after payment, can I just change the text?

Yes, you can! Use the plugin Say What, when installed go to Extra > Text changes. Make a new text change with these details. Replace "Replacement string" with your text.

Version 1.3.1

Requires WordPress version: 3.6.1 or higher

Compatible up to: 4.7.2

Last Updated 08 Dec 2016

Date Added: 07 Mar 2016

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