Features

Build Faster. Test more.
Fail Less.

Start Testing
Testing Pays Sim

Increase Test Coverage

Using our tools you can get all the responses that an API can return. No more being surprised by undocumented errors.

Easy CI Integration

Our system easily ties in with your continous integration system, just ask us, it's what we do ourselves.

Faster Integration

Forget waiting for test accounts and scanning through endless documents. Get started in 5 minutes with clear and simple instructions.

integration-lifecycle

The old way of payment testing



inconsistent payment flows

Much easier with Testing Pays



Testing Pays flow

Built for developers


Testing Pays is built for developers.

We provide powerful simulators for common payment APIs. Say goodbye to frustrating sandboxes.

Sign up in seconds, get your account key, paste it into your code. Done! Start your payments testing.


Where is your weakest link?

Load test with ease

Stress test your own code, with real traffic. No more shortcuts for your payment systems.

Minimal Setup

Use the same API key, the same Testing Pays account. Just let us know when you are starting.

No Throttling

Want to unleash 1.000.000 transaction requests? No problem, get in touch and we'll set up your account for the traffic!

Schedule a load test

Real Time Feedback


With our in browser live tail you can view your test transactions in real time.

Letting you iterate quickly and take the pain out of debugging.


More about Live Tail

View Our Example Apps