REST API
Create Polygon payment invoices with a single API call. Full control over the payment flow for any custom backend or checkout setup.
curl -X POST https://api.gatewaycrypto.io/v1/payments \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"currency": "POL",
"amount": 25.00,
"order_id": "ORD-17829",
"callback_url": "https://yoursite.com/webhook"
}'