Gmail api reference The APIs Explorer acts on real data, so use caution when trying methods that create, modify, or delete data. Explore Gmail API documentation for PHP to integrate Gmail functionalities into your applications using Google's official client libraries and resources. Regardless of your use-case, you can find out more about the Gmail API in the developer documentation. What's reputation and how do I get it? Instead, you can save this post to reference later. 0. 68. Before reading this document, be sure to read the Google Workspace's general authentication and authorization information at Learn about authentication and authorization. This step-by-step guide covers all the ins and outs of Gmail API. Instance Methods users() Returns the users Resource. I decided to write a beginner’s guide for how to use and understand the Gmail API.