To redirect customer to LinkAja app, use the web_url retrieved from post data transaction API response. Then customer can be redirected using header("Location:$web_url") or using HTML link <a href="[web_url]">Pay with LinkAJa</a>
3. Callback/Return URL
4. Payment Notification
Payment notification from Faspay to Merchant backend will also be triggered in the event of transaction status getting updated, to ensure merchant is securely informed. Please provide the URL and make sure it's already registered on Faspay system
After the customer completes the payment via LinkAja's apps, Faspay automatically redirects customer to callback/return URL. Please provide the URL and make sure it's already registered on Faspay system. For the detailed reference can be found