REST API
Create ETH payment invoices with one API call. Works with any language or framework on your backend.
curl -X POST https://api.gatewaycrypto.io/v1/payments \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"currency": "ETH",
"amount": 0.05,
"order_id": "ORD-91034",
"callback_url": "https://yoursite.com/webhook"
}'