redmine-net-api is a library for communicating with a Redmine project management application

• Uses Redmine's REST API.
• Supports both XML and JSON(requires .NET Framework 3.5 or higher) formats
• Supports GZipped responses from servers
• This API provides access and basic CRUD operations (create, update, delete) for the resources described below
  • Attachments
  • Custom Fields
  • Enumerations
  • Groups
  • Issues
  • Issue Categories
  • Issue Relations
  • Issue Statuses
  • News(implementation for index only)
  • Projects
  • Project Memberships
  • Queries
  • Roles
  • Time Entries
  • Trackers
  • Users
  • Versions
  • Wiki Pages

Authentication

Most of the time, the API requires authentication. To enable the API-style authentication, you have to check Enable REST API in Administration -> Settings -> Authentication. Then, authentication can be done in 2 different ways: using your regular login/password via HTTP Basic authentication. using your API key which is a handy way to avoid putting a password in a script. The API key may be attached to each request in one of the following way:

• passed in as a "key" parameter
• passed in as a username with a random password via HTTP Basic authentication
• passed in as a "X-Redmine-API-Key" HTTP header (added in Redmine 1.1.0) You can find your API key on your account page ( /my/account ) when logged in, on the right-hand pane of the default layout.

User Impersonation

As of Redmine 2.2.0, you can impersonate user through the REST API by setting the X-Redmine-Switch-User header of your API request. It must be set to a user login (eg. X-Redmine-Switch-User: jsmith). This only works when using the API with an administrator account, this header will be ignored when using the API with a regular user account.

If the login specified with the X-Redmine-Switch-User header does not exist or is not active, you will receive a 412 error response.

If you find this API useful let others know about it and/or rate it.
Your contribution is always welcome.