You can use API-only mode and have an admin panel in the same Rails app
In my previous article, I discussed how you don’t need to choose between either abandoning Rails API-only mode or splitting up your API and admin panel into two separate apps. Instead, you can have the best of both worlds.
That article used the Active Admin framework as an example. But what if you want to use Rails Admin instead?
Rails Admin now works by default with API apps
Using Rails Admin with a Rails 5 API application is effortless.
v1.0.0 Rails Admin boasts “out-of-box support” for Rails 5 API mode.
The gem injects the missing middleware it needs to render its views without requiring you to disable
config.api_mode or make any other code or configuration changes.
Does your favorite admin dashboard work with Rails 5 APIs?
There are plenty of other admin frameworks besides Active Admin and Rails Admin. To see which ones are compatible with Rails 5 API apps, I have created a handy chart for you to reference.