Setting Up a Proxy on Your Mobile Device for API Testing

To set the proxy on your mobile device using the IP address of your computer and the port number (e.g., 5555), follow these steps for both Android and iOS:

For Android:

1. Connect to Wi-Fi:
   • Ensure your mobile device is connected to the same Wi-Fi network as your computer.
2. Access Wi-Fi Settings:
   • Go to Settings > Network & Internet > Wi-Fi.
   • Long press on your connected Wi-Fi network and select Modify network or Advanced options.
3. Set Proxy:
   • Expand the advanced options if needed.
   • Change Proxy to Manual.
   • Enter the IP Address: Input the IP address of your computer (found using ipconfig on Windows or ifconfig on macOS/Linux).
   • Enter the Port Number: Set it to 5555 (or the port you configured in Postman).
4. Save Changes:
   • Tap Save or Connect to apply the settings.

For iOS:

1. Connect to Wi-Fi:
   • Make sure your mobile device is connected to the same Wi-Fi network as your computer.
2. Access Wi-Fi Settings:
   • Go to Settings > Wi-Fi.
   • Tap the info icon (i) next to your connected network.
3. Set Proxy:
   • Scroll down to the HTTP Proxy section.
   • Change it to Manual.
   • Enter the IP Address: Input the IP address of your computer.
   • Enter the Port Number: Set it to 5555.
4. Save Changes:
   • Tap back to save the settings.

Final Steps

• After setting the proxy, open the mobile app you want to test. The traffic should now be routed through Postman, allowing you to capture API calls.

Disable Proxy After Testing

• Remember to revert the proxy settings on your mobile device back to None or Off after you're done capturing traffic to restore normal connectivity.

Summary

Setting up a proxy on your mobile device is essential for capturing API calls effectively. By following the outlined steps for both Android and iOS, you can ensure that your mobile app traffic is routed through Postman, allowing for thorough analysis and testing.

Conclusion

Using a proxy during API testing is a powerful technique that enables developers to monitor and debug network requests from mobile applications. By configuring your mobile device correctly and capturing traffic, you can enhance the quality and performance of your application. 

 

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