ASP.NET Web API multiple RoutePrefix

Question

The opensource Attribute Routing allows to have multiple route-prefixes. Why does ASP.NET Web API 2.0 does not allow to have multiple RoutePrefix().

[RoutePrefix("api/v1/{abc}/Entity")]
[RoutePrefix("api/v1/{abc}/{xyz?}/Entity")]
public class MyApiController : ApiController
{
   [Route("")]
   public IHttpResult Get()
   {
      return Ok("Hello World");
   }
}

You can add multiple RoutePrefix attribute on WebApiController. See 3btechtalk.wordpress.com/2017/05/07/… — Asad Ullah
– Asad Ullah, Commented May 8, 2017 at 11:18

jaxxbo · Accepted Answer · 2015-03-09 03:57:45Z

51

You can add a route to the action method also overriding the RoutePrefix with a "~"

example:

[RoutePrefix("api/v1/{abc}/Entity")]
public class MyApiController : ApiController
{
   [Route("")]
   [Route("~/api/v1/{abc}/{xyz?}/Entity")]
   public IHttpResult Get()
   {
      return Ok("Hello World");
   }
}

Notice the line: [Route("~/ api/v1/{abc}/{xyz?}/Entity")]

answered Mar 9, 2015 at 3:57

jaxxbo

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1 Comment

Dan Esparza Over a year ago

Why is this the accepted answer? Multiple route prefixes could help avoid multiple [Route] attributes for each method and go a long way to helping ease maintenance on a large api controller

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