Now that we want to change the username and avatar to see how our app handles, just re-open the Unsplash app to call the endpoint “/me”. … and instead of showing “eat clean” images as origin request (Left), the app render “mountain” images (Right) as our request modification :)Īpp renders “mountain” images (Up) after we modify Request with Breakpoint 5. Now we can change our search query from “eat clean” to “mountain”… Then from Search box, search for keyword “eat clean” to navigate to the endpoint that triggers Breakpoint.Īs soon as the API call is captured, a Breakpoints window pops-up so that you can easily edit your queries Modify requests with Breakpointįirst, let’s run the Unsplash application. With that all set up, it’s time to modify requests/responses to see how our app behaves 4. You can choose either Request or Response to be matchedĪfter hitting “Done”, we can see that new rule has been added up to the Breakpoint rules window Let’s select “Response” for the second scenario Right click the URL -> Tools -> BreakpointĪs Proxyman auto-use the selected endpoint as the condition, you would see the endpoint “/me” is auto-filled. New window pop-up so that you are able to define your matching rules for Breakpointįor the first scenario, type in the endpoint “/search” and select “Request” (as we only want to change the search query)Īfter hitting “Add” button, we know that from now on, any out-going requests to that endpoint would be stopped by the BreakpointĪnother option to define matching rule is to select the URL (endpoint) -> Right Click -> Tools -> Breakpoint To add new, click the “+” button at the bottom left corner of the window The Breakpoint rules window then pops-up so that you can define all matching conditions here. These conditions could be setup by two ways: Option 1: Menu barįrom Menu bar -> select Tools -> Breakpoint -> Rules Now it’s time to define how Breakpoint captures out-going requests or in-coming responses. To be more focused, I use Pin to isolate two endpoints /me & /search for my testing scenarios. Install Proxyman Certificate on remote deviceīefore we start, let’s install Proxyman Certificate on my iOS device so that we are able to see HTTPs content Example 2: Change user name and avatar in the Response to see if the UI can handle long messages (Modify response)Ģ.Example 1: Change user’s search query to see how the app behaves (Modify request).In this mini blog, just take 2 simple examples to see how Breakpoint works: Thus, you can modify such requests/ responses to test UI errors or certain back end functionalities (including security vulnerabilities). Enable Breakpoint for response, it will stop the response before it goes to your app.Enable Breakpoint for request: Proxyman will stop the request before it goes to your server.In software development, a breakpoint is known as an intentional stopping or pausing place where you can examine, edit API requests or responses and even decide whether to block it or allow it to proceed. Last update: 20:12 UTC.This mini blog demonstrates how I use Proxyman Breakpoint tool to manipulate those API calls for debugging purposes. What’s in your devices, it’s in your devices.Īpp's data is regularly updated. Thus, all requests and responses are captured and stored on your devices and Proxyman does not have access to your data. Proxyman Root Certificate is a self-signed certificate that is generated in your local machine.As long as the VPN is active, Proxyman iOS can capture all traffic over Wi-Fi, Cellular Data. Proxyman iOS creates a local VPN on your device, then forwarding all traffic to a Local Man-in-The-Middle Server. Advanced Debugging Tools: SSL Proxying, Block List, Map Local, Breakpoint, etc.Safe Lock: Protect your sensitive data with FaceID / TouchID / Passcode.Better Request/Response Previewer: Multiple columns, JSON Preview, JSON TreeView, etc.Quick filter with URL, Header Body, and Type of Request/Response (e.g.Share traffic to Proxyman macOS - a native macOS app for better reviewing.Exclusively designed for iPhone and iPad (Landscape and Two Columns).View HTTP/HTTPS Request/Response in plain text.Capture HTTP/HTTPS Traffic from iOS Devices with built-in Proxyman VPN.Proxyman for iOS works perfectly with Proxyman for macOS (native macOS app, Support Big Sur and M1 Chip). Meet a superb Web Debugging Proxy that can act like a middleMan, aka Proxyman.
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