Calls to the Metadata API are with HTTP Get:
Using Public API Key
GET https://www.googleapis.com/analytics/v3/metadata/ga/columns?key={YOUR_API_KEY}
Using Access token from either Oauth2 or Service account authentication
GET https://www.googleapis.com/analytics/v3/metadata/ga/columns?acces...
uses the Java Client library
/**
* 1. Execute a Metadata Request
* An application can request columns data by calling the list method on the Analytics service object.
* The method requires an reportType parameter that specifies the column data to retrieve.
* For example, the following code ...
Uses the PHP client library
/**
* 1. Execute a Metadata Request
* An application can request columns data by calling the list method on the Analytics service object.
* The method requires an reportType parameter that specifies the column data to retrieve.
* For example, the following code r...
Uses the Python client library
# 1. Execute a Metadata Request
# An application can request columns data by calling the list method on the Analytics service object.
# The method requires an reportType parameter that specifies the column data to retrieve.
# For example, the following code request...
