How to consum content page by RESFull API?

Silverstripe Version:
I am research how to implement the headless aproach in a page built in Silverstripe CMS
I have been built a simple page and I need expose by endpoint, but I don’t know if is necessary add some next modules:

  2. colymba/silverstripe-restfulapi · SilverStripe Add-ons

Or there is anothe way to do it ¿any ideas?
Thanks in advance
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