RingCentral.API.post

You're seeing just the function post, go back to RingCentral.API module for more information.
Link to this function

post(ringcentral, path, body, headers \\ [])

View Source

Specs

post(RingCentral.t(), String.t(), map(), list()) ::
  {:error, RingCentral.Error.t()} | {:ok, RingCentral.Response.t()}

Send a POST request to the REST API.

It will uses ringcentral.http_client to send the request to RingCentral API, which by default is the RingCentral.HTTPClient.DefaultClient.