Developer API Ready

This version includes a simulated payment engine and can be extended to Stripe, PayPal, Adyen, Line Pay, Apple Pay, Google Pay, or bank transfer APIs.

Sample API Structure

POST /api/payments/create POST /api/payments/confirm GET /api/transactions/{txn_id} GET /api/merchants/{merchant_id} POST /api/webhooks/payment Authorization: Bearer YOUR_API_KEY Content-Type: application/json