Design without limits, convert without compromise
We’ve set a new standard for checkouts. Primer Checkout gives you total control over how they design, deploy, and optimize your payment experience - through a single, component-based integration that powers flexibility, performance, and global scale.
Proven. Trusted. Built for Scale.
150+
Global integrations
154
Local currencies
32
Languages supported
Build checkout your way
Dynamic by default
Localize your checkout by dynamically showing the most relevant wallets, local methods, and routing paths, based on country, currency, device for a smoother, more personalized payment experience that drives conversion, without sacrificing brand or flow.
Modular and Brand-Perfect
Every checkout element from form fields to buttons can be added, removed, styled, and arranged independently - no heavy lifting.
Use only what you need, adapt to any frontend stack, and match your brand without templates or overrides.
Performance that scales with you
Runs on a modern, component-based architecture that’s lightweight by default.
Faster load times and seamless UX reduce drop-off and boost conversion - with built-in support for real-time optimization and continuous A/B testing.
What Payments teams say
"With just a few clicks in Primer Checkout, we can build all the logic necessary to ensure we present the customer with the correct payment mix based on what’s in their basket."
Jérémy Lechardeuр
CTO, Direct-to Consumer
FAQs
Does Primer offer a Headless Checkout?
Yes, Primer offers a Headless Checkout option. The Headless version of Primer’s Universal Checkout provides more customization and control over the checkout experience, offering greater flexibility and enabling faster design changes while ensuring that Universal Checkout captures sensitive PCI card data or other form data.
Is Universal Checkout a payment gateway?
No. Universal Checkout isn’t a payment gateway. Primer isn’t involved in the flow of funds. Instead, we integrate with payment gateways to route payment instructions to them and vice versa.
Is Universal Checkout optimized for online and mobile checkouts?
Universal Checkout is designed to work flawlessly on all devices. Our solution is engineered with cutting-edge SDKs tailored for various platforms, including web, mobile, and React Native. This ensures that regardless of the device your customers use, they'll enjoy a smooth and intuitive checkout process every time.
Can I use Universal Checkout as a checkout builder?
Certainly. Whether you opt for our drop-in solution or the headless option, Universal Checkout equips you with intelligent tools to craft a checkout experience explicitly tailored to your business needs. With Universal Checkout, you can design and customize every aspect of the process, ensuring a seamless and branded experience for your customers.
What is a Payment API?
A Payment API is a set of protocols, tools, and definitions that enable all parties involved in the payment flow to communicate. It serves as a bridge between merchants, customers, and financial institutions, facilitating secure and seamless transactions in various digital environments.
