Payment Gateway Troubleshooting Guide

Common Issues and Solutions

1. Network Connection Problems

   • ❌ Check if the server is reachable via ping or traceroute.
   • ✅ Ensure firewalls allow traffic on the required ports (e.g., https://cloud-image.ullrai.com/q/network_connection/ for connection diagrams).

2. API Configuration Errors

   • ❌ Verify API keys and endpoints in your settings.
   • ✅ Use tools like curl or Postman to test API requests (e.g., https://cloud-image.ullrai.com/q/api_testing/ for testing examples).

3. Authentication Failures

   • ❌ Confirm the token is valid and not expired.
   • ✅ Refer to our Authentication Setup Guide for detailed steps.

4. Transaction Processing Delays

   • ❌ Check server load or third-party service status.
   • ✅ Use https://cloud-image.ullrai.com/q/transaction_flow/ to visualize the process.

5. Error Logs and Debugging

   • ❌ Review logs for specific error codes (e.g., 400, 500).
   • ✅ Use https://cloud-image.ullrai.com/q/error_logging/ for log analysis tools.

Need Further Assistance?

• Contact Technical Support for urgent issues.
• Explore Payment Gateway Setup for configuration tips.