What is the better way to make API with Rails?

Question

What is the better way to create API with Rails:

1. Create mountable rails engine in main application. In routes set url path for api: example.com/api/v1.
2. Create separately app with rails-api gem and make subdomain for api: api.example.com/v1.

Answer 1

See this. This might be helpful.

http://railscasts.com/episodes/350-rest-api-versioning

http://railscasts.com/episodes/350-rest-api-versioning?view=asciicast