Checkout Overview

Unlimint Game Services Checkout

Unlimint Game Services Checkout creates a secure Unlimint Game Services-hosted form that lets you collect payments with just a few lines of code. The Checkout Form loads near instantly and is designed to boost your paying conversion rate.

Unlimint Game Services Checkout features

  • Payment methods: VISA, Master Card, AMEX, JCB, China UnionPay, Bitcoin payments, Alipay, QIWI, Bank Wire Transfers.
  • Payment types: Simple Checkout, Items Checkout.
  • Authentication: Dynamic 3D Secure (ready for Strong Customer Authentication).
  • Localization: Localized for 24 languages.
  • Email receipts: Automatic email receipts right to your customers’ inbox.
  • Automated calculations: Automatically calculates the taxes and VAT due on your orders.
  • Conversion-optimized: The payment form loads instantly with a single-page layout.

Try now

See how the Checkout Form looks and feels

Choose a card payment method and enter one of the test cards to checkout in a test mode:

3D Secure: 4000 0000 0000 0002

Non 3D Secure: 4000 0000 0000 0077

Enter arbitrary expiry date (the format is MM/YY), a Secure code (CVC/CVV, the format is 3 digits) and a cardholder name (the format is first name last name).

Test Payment


Try out the payment sample or see the code on GitHub.

Getting Started

To get started with Unlimint Game Services, choose your business model:

Simple Checkout

Simple Checkout is designed for payment orders with dynamical pricing, for example, stores that use its e-commerce engine for product management. Likewise, this option works well with non-product payments such as donations. In this mode, you specify the currency and the price, while the payment amount due for the end-user is calculated accordingly to the exchange rate if it differs from the specified order currency.

Products Checkout

Unlimint Game Services Checkout provides several types of products which you specify in an order as a parameter type:

Game Keys

This sales option is best suited to sale game keys for DRM platforms such as Steam, GOG, Uplay, Origin, PSN, XBOX Store, Nintendo Store,, Epic Games Store. This feature allows you to sell any key-activated products (such as DLCs and expansion packs) that the target DRM platforms support.

Virtual Items

This sales option enables you to sell your Virtual Items, like swords, guns, helmets and virtual currency packs.

Virtual Currency

Virtual Currency is an option to sell your in-game currency — gold, coins, etc. It allows you to sell customisable quantity of your currency.

Next steps

Continue with the Quick Start guide



Our salespeople are pleasant and friendly. Leave your contact details, and we’ll be back to you in no time.


We are always happy to help with a code, improve a guide or consider a feature.


The Unlimint Game Services Checkout Form, the JS SDK and even the server are available as a source code on our GitHub. You’re welcome to explore the code and help us make Unlimint Game Services even better.

Not a developer?

Our engineers will help you integrate Unlimint Game Services into your existing e-commerce platform, a website or a game in the best possible way. If you want something very special and crazy custom yet don’t have a suitable programmer available nearby - talk to us! We won’t let down a Unlimint Game Services user. We will try to help you in every possible way. We can even hire a programmer for you!