post
Sets the request body as JSON with POST method.
This method automatically sets the HTTP method to POST and the Content-Type to application/json. The JSON object is serialized to a string.
Parameters
body
The JSON object to send. Defaults to an empty object.
Sets the request body with POST method and custom content type.
This method sets the HTTP method to POST and allows specifying a custom Content-Type header along with the body content as a string.
Parameters
contentType
The Content-Type header value (e.g., "text/plain", "application/xml").
body
The request body as a string.