Free Payment Processing API — REST Endpoint for Testing & Development
Handle payment flows, refunds, and transaction history with multiple payment methods. This endpoint provides realistic mock data and behaviors, making it perfect for frontend testing, QA, software demos, and programming tutorials.
/api/payments/process
Process payment. Simulates async gateway interaction.
/api/payments/{paymentId}/refund
Process full or partial refund for a payment. Replace {paymentId} with an actual transaction ID.
Replace placeholders (e.g., {userId}) with actual values in the path above.
/api/payments/history
Get payment transaction history. Supports filtering by userId (as customerId), status, orderId, and pagination.
You can add or change query parameters in the path above (e.g., ?name=User).
cURL Request
curl -X POST https://gen-endpoint.com/api/payments/processSample JSON Response
{
"paymentId": "pay_xyz123",
"status": "pending",
"amount": 99.99,
"currency": "USD",
"orderId": "order_123",
"createdAt": "2024-08-20T12:00:00Z",
"message": "Payment processing initiated."
}Is this API free?
Yes! This API is completely free to use for personal, learning, and development purposes. There are no strict usage limits for standard personal use.
Does it require authentication?
Most of our endpoints are public and do not require any API keys or authentication. You can start sending requests immediately.
What does the response look like?
Our APIs return standardized JSON responses mimicking real-world data structures, ensuring easy parsing and integration for your frontend or tools.
Can I use this in production?
No. These endpoints are designed solely for testing, development, and demonstration purposes. They provide mock data and do not guarantee uptime or data persistence required for production applications.