Sandbox Playground
Test the payment gateway without processing real transactions. Use magic amounts to simulate different scenarios.
API Parameters
Expected Webhook Payload
After transaction completes, you'll receive a POST request to your webhook URL:
POST https://yoursite.com/webhook
Content-Type: application/json
X-Wave-Signature: <hmac-signature>
{
"event": "collection.succeeded",
"transaction_id": "txn_abc123xyz",
"amount": "100.00",
"currency": "GMD",
"client_reference": "",
"status": "succeeded",
"timestamp": "2026-01-26T12:00:00Z"
}Developer Resources
Test PIN
Enter 1234 in Virtual Mobile to confirm transactions
Magic Amounts
Use test amounts (100, 200, 400, etc.) to simulate different transaction scenarios
Webhook Verification
Validate webhook signatures using HMAC-SHA256 with your secret key