The automation
engine for payments

Primer is your entire payments
ecosystem in one integration.

£99.00
Saved Card
Saved Card•••• 1234
One-click Pay
or
PayPal
Klarna
Request
Response
1{
2"amount":
9900,
3"currencyCode":
"GBP",
4"orderId":
"Sneakers",
5"paymentInstrument":
{
6"token":
"028THU7RQ562",
7}
8}
Universal Checkout

Unified checkout and payments API

Offer the payments experience your customers demand, without compromise.

Centralized Vault

Store customer payment methods
for recurring payments

Super Customizable

Enhanced styling options and event handling

Flexible Payments

Easily avail the most relevant payment options

3D Secure

Unified 3D Secure 2.0 across processors

Blazing Fast

The lightest checkout library on the web

New!
Closed Beta

Our open app framework enables third parties to build and maintain their connections on Primer. The biggest brands are already on board.

Klarna
Klarna Verified
"We love how Primer is making something complex simple. Through primer, merchants can offer Buy Now Pay Later without any compromises!"
Mollie
Mollie Verified
"We genuinely seek what is best for our customers. Integrating with Primer enables our merchants to grow beyond our focus markets."
GoCardless
GoCardless Verified
"GoCardless and Primer share a common goal: fixing the broken payments system. We're excited to partner and offer our customers the best of what we do."
Worldline
Worldline Verified
"Our partnership with Primer provides enterprises with seamless access to a multitude of payment services to optimize success rates and fuel revenue growth."
TrueLayer
TrueLayer Verified
"For us it was a no brainer. Integrating with Primer will enable more merchants to benefit from adopting OpenBanking through a single integration."
Sift
Sift Verified
"Sift in Primer unlocks sophisticated protection with one click—a perfect match delivering flawless experiences for merchants and customers alike."
Bridge
Bridge Verified
"Integration with Primer was an easy decision. It will help us accelerate market adoption of our Open Banking payment solution and increase our market reach."
Banked
Banked Verified
"Our partnership with Primer allows merchants to access a better choice at checkout by providing an easy integration to offer Pay-by-bank to all their customers."
Laybuy
Laybuy Verified
"We are thrilled to be part of Primer's innovative open payments infrastructure, allowing end customers to shop and pay in six weekly, interest-free instalments."
Fonoa
Fonoa Verified
"We saw a natural fit partnering with Primer. Together, we automate both sides of any transaction for rapidly scaling businesses - payments and taxes."
Contact partner team →
Connections

Quickly add payment methods, PSPs, fraud providers and more with no integration effort, and accelerate your roadmap.

Workflows

Workflows enable you to seamlessly connect payments services together, and handle complex routing.

00

Get in touch

E-commerce
Francesco Limberti, CTO
Francesco Limberti, CTO
Francesco Limberti, CTO
"With Primer, we gain leverage with different payment services, offer a better payments experience to our customers, and don’t need to burden our team with developing our own payments infrastructure."
Francesco Limberti, CTO
Read more
Insurtech
Benoît Bourdel, Co-Founder & CTO
Benoît Bourdel, Co-Founder & CTO
Benoît Bourdel, Co-Founder & CTO
"Primer allows us to have one integration to all the PSPs we will ever need. We should have implemented Primer from the begining."
Benoît Bourdel, Co-Founder & CTO
Read more
Software
Philip Poots, VP of Engineering
Philip Poots, VP of Engineering
Philip Poots, VP of Engineering
"Primer has given us freedom to operate in different countries, allowing us to go global, fast."
Philip Poots, VP of Engineering
Read more
The Fintech Times
Primer Launches First Open App Framework for Payments
Read more
Money 20/20
The Right Way to Build the Best Checkout Experience on the Plane‪t‬
Read more
TechCrunch
Primer, the fintech helping merchants consolidate the payments stack, raises £14M Series A
Read more
Business Insider
Primer raised $18.7 million without a pitch deck after being approached by Accel
Read more
Sifted
Innovation and investment in payments is hotting up again
Read more

Designed for developers

Quick start guide

A quick overview of an end-to-end integration with Primer

API Reference

Check out our API Reference

Android

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iOS

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React Native

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Javascript

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Java

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Ruby

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Python

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