Changes to Issue a new access token

added subschema #1: Unauthorized Error subschema #2 to the response body oneOf list for the response status 401

the response's body type changed from object to no type for status 401

the response property data/refresh_token became optional for the status 200

the error/code response's property type changed from string to no type for status 400

removed the required property error from the response with the 401 status

removed the required property success from the response with the 401 status

removed the request property client_id

removed the request property client_secret

removed the optional property error/errors from the response with the 400 status

added request discriminator

added subschema #1 subschema #2 subschema #3 subschema #4 to the request body oneOf list

added the optional property error/metadata to the response with the 400 status

added subschema #1 subschema #2 to the error/code response property allOf list for the response status 400

endpoint added

api path removed without deprecation