The Fitness API for managing users' fitness tracking data.

Reads and writes Google Forms and responses.

The Google Play games service allows developers to enhance games with social leaderboards, achievements, game state, sign-in with Google, and more.

The Google Play Game Services Publishing API allows developers to configure their games in Game Services.

The Google Play Game Management API allows developers to manage resources from the Google Play Game service.

Deploy and manage infrastructure for global multiplayer gaming experiences.

Uploads, processes, queries, and searches Genomics data in the cloud.

Backup for GKE is a managed Kubernetes workload backup and restore service for GKE clusters.

The Gmail API lets you view and manage Gmail mailbox data like threads, messages, and labels.

The Postmaster Tools API is a RESTful API that provides programmatic access to email traffic metrics (like spam reports, delivery errors etc) otherwise available through the Gmail Postmaster Tools UI currently.

The Groups Migration API allows domain administrators to archive emails into Google groups.

Manages permission levels and related settings of a group.

Manage, store, and access healthcare data in Google Cloud Platform.

Manages identity and access control for Google Cloud Platform resources, including the creation of service accounts, which you can use to authenticate to Google and make API calls.

Creates short-lived credentials for impersonating IAM service accounts. To enable this API, you must enable the IAM API (iam.googleapis.com).

Controls access to cloud applications running on Google Cloud Platform.

This is an invitation-only API.

The Google Identity Toolkit API lets you use open standards to verify a user's identity.