I have a action something like: def show @p = Post.find(params[:id]) respond_to do |format|

Question

Asked: June 7, 20262026-06-07T01:22:58+00:00 2026-06-07T01:22:58+00:00

I have a action something like:

def show
    @p = Post.find(params[:id])
    respond_to do |format|
      format.html
      format.js
    end
  end

I get a url something:

http://localhost:3000/post/1
http://localhost:3000/post/2
http://localhost:3000/post/3
.
.
.

I want have a different version for this same action something like:

http://localhost:3000/v1/post/1
http://localhost:3000/v1/post/2
http://localhost:3000/v1/post/3
.
.
.

How can I do it?

I have take a look to this resources:

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Editorial Team · Answer 1 · 2026-06-07T01:23:00+00:00

Editorial Team

I guess that the straight forward way would be to use namespacing, e.g. V1::PostsController, V2::PostsController, etc.

However, if you’re just producing an API, then you should better use https://github.com/intridea/grape , as it has the versioning support baked in.

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