Custom Form

Custom Form integration

The most flexible way to integrate online payments for your business.


A payment solution embedded into your website

Custom Form lets accept credit and debit cards any way you like with buttons and forms built into your website’s layout. Create one-page payments or use a multi-step checkout page.

Control the payment form's design with CSS

Place it on your website wherever you like

Customise which information you ask for depending on the payment scenario.


Your own HTML and CSS

Full control over the user flow

With Custom Form you can build the ideal customer experience, track results and optimise it quickly and efficiently.

No redirection to 3rd-party services

Improve your conversion rates

Perfect for A/B testing


A perfect solution for every business model

Our flexible API provides endless possibilities to create a wide range of payment scenarios: recurring payments, upgrades, delayed captures or prepaid credits.

Recurring payments

Flexible period between authorization and capture

Responsive support for every business model

Extra security layer with 3D Secure

3D Secure adds even more security to your payment process. Minimise chargeback ratios with non-invasive security that doesn’t hurt conversion rates.

3D Secure without redirection

Lower chargeback ratio

Single line of code to add 3D Secure

3D Secure

Safe and secure payments

Payments with the highest level of security including tokenisation and a 3D Secure system. Your customers will always feel protected. Period.

Tokenization and 3D Secure

Every payment is scored and checked against fraud

Highly effective anti-fraud tools

An API developers love

Full control over the HTML and CSS lets you create a user-friendly payment form without disturbing your website’s design. You take the code and add the awesomeness to it.

Add your own events to the code

Professionalise the look and feel of your payment forms with custom HTML and CSS.

Test account, documentation, GitHub, API reference

More for developers
Fast integration of the payment solution

Checkout vs Custom Form

Custom Form


A simple pop-up with payments. Well-designed, mobile friendly and ready to use. Extremely easy to integrate and designed for quick shopping.

Custom Form

A flexible payment form embedded into your website. Fully-customisable providing endless payment scenarios. Adds a professional touch to the buying process.

Checkout is best for:

  • Online businesses that need “Quick buy” options
  • Online businesses that want to offer extra products or services
  • SaaS businesses or online retailers without a complex shopping process

Custom Form is best for:

  • Online businesses focused on boosting conversions
  • Online businesses want to create a perfect shopping experience
  • Businesses that need to ask for credit cards outside of the checkout process

Customization and flexibility


Ease of integration


Improved sales


Customization and flexibility


Ease of integration


Improved sales