Build Payments Into Anything

The Monek API gives developers a clean, RESTful interface to accept cards, trigger payouts, and manage merchants — with full UK acquiring behind every transaction.

RESTful JSON API
Sandbox environment
Webhooks
UK acquiring

Everything you need to integrate payments

Fast Integration
Up and running in hours with our RESTful JSON API and comprehensive docs.
PCI DSS Compliant
Handle card data safely — Monek manages PCI scope so you don't have to.
Multi-currency
Accept payments in 150+ currencies with automatic FX conversion.
Webhooks & Events
Real-time event notifications for payments, refunds, and disputes.
SDKs & Libraries
Official plugins for WooCommerce, Magento, OpenCart and more.
Reporting API
Full transaction data, reconciliation reports, and settlement summaries.

Start accepting payments in minutes

  1. 1Create a payment intent
  2. 2Redirect or embed
  3. 3Handle the webhook
POST /v1/payments
POST /v1/payments
Authorization: Bearer sk_test_...
Content-Type: application/json

{
  "amount": 2500,
  "currency": "GBP",
  "reference": "ORDER-1234",
  "redirect_url": "https://yoursite.com/thanks"
}

RESPONSE 200:
{
  "id": "pay_abc123",
  "status": "pending",
  "checkout_url": "https://pay.monek.com/c/abc123"
}

Official Plugins & Integrations

W
WooCommerce
Free plugin · 5 min setup
View plugin →
M
Magento
Free plugin · 5 min setup
View plugin →
O
OpenCart
Free plugin · 5 min setup
View plugin →
X
Xero
Free plugin · 5 min setup
View plugin →

Test Without Risk

Our full sandbox environment mirrors production exactly. Use test card numbers, trigger webhooks, and simulate edge cases before you go live.

Test Cards
Visa4111 1111 1111 1111
MC5500 0000 0000 0004
Amex3714 496353 98431
Declined4000 0000 0000 0002
Sandbox API
Base URL
https://sandbox.monek.com/v1

Identical to production API

Get sandbox credentials →

Ready to integrate?

Get your API keys and start building today. Our developer support team is on hand if you need help.