Griffin logo

Build, test and iterate with our sandbox

Instant access
Fully documented
Try it now

What our customers say

We've built a complete prototype of our UK offering using just Griffin's sandbox. The modern architecture, simple API and superior documentation has been a breath of fresh air, allowing us to build and iterate fast.

A portrait of Anurag SinghAnurag Singh
ProMEX Developer
  1. Onboard your customers

  2. Create operational bank accounts

  3. Create customer bank accounts

  4. Send payments

The API your tech team will love

POST /bank/accounts/ac.svcsUO4KS3uz0ChEr5l9zA/payments

  "payee-url": "/v0/payees/pe.Hu7vvEX3TPWFjlwvKsb9QA",
  "payment-reference": "Sandbox testing",
  "payment-amount": {
    "currency": "GBP",
    "value": "500.00"

Build with no strings attached

No paywalls
No sales pitch
Try the sandbox