As a developer, I have found Requestly to be a valuable tool in improving the testing and mocking of my frontend apps. It allows me to easily simulate different scenarios and conditions, ensuring that my apps are reliable and perform well under a variety of circumstances.

One way I use Requestly is to mock the behavior of certain API calls and responses. This allows me to test how my app handles different types of data and scenarios, without relying on live APIs that may be unstable or have rate limits. By mocking the responses of these API calls, I can ensure that my tests are consistent and reliable.

In addition to mocking API calls, I also use Requestly to modify the appearance of my app for specific users or locations. For example, if I want to test how my app looks and performs in a specific country, I can use Requestly to change the user's IP address and simulate a connection from that location. This allows me to see how my app behaves under different conditions and make any necessary adjustments.

Overall, Requestly has been a valuable tool in my testing and development process. It allows me to easily mock and modify the behavior of my frontend apps, ensuring that they are reliable and perform well in a variety of conditions.