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I have a C# windows forms application and one third party dll do some API calls to a server where I want to intercept the HTTP request going from my application and add a custom header by updating the request.
Is that possible to do in WinForms/C# without using a proxy service? If so how do I intercept the request being sent from my application?

ganchito55
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shashika nirmani
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    Have you seen [this answer](https://stackoverflow.com/a/35910012/2309376)? – Simply Ged May 21 '19 at 04:12
  • yes but it's not what I want as my server api call hasn't a way to add authentication header I want to fire an event when each api call occurs and before request sent to server I need to update the request with adding an authentication header – shashika nirmani May 21 '19 at 05:13
  • Are you saying you want to be able to do this without modifying the application itself ( which would make it rather simple)? – John Wu May 21 '19 at 05:26
  • yes as the server api couldn't change I need a way to add authorization header with intercepting the HTTP traffic that going from my application.is that possible? – shashika nirmani May 21 '19 at 05:32

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