There is lot of Google APIs and discover on this page a list of all the Google Apis available to developer. We list all the APIs available and only the last version recommended by Google. For each API refer to the documentation to get more details and the list of all versions maintained and the deprecated one.
Accesses your bidding-account information, submits creatives for validation, finds available direct deals, and retrieves performance reports. See documentation
Gives Ad Exchange seller users access to their inventory and the ability to generate reports See documentation
Admin Data Transfer API lets you transfer user data from one user to another. See documentation
The Admin SDK Directory API lets you view and manage enterprise resources such as users and groups, administrative notifications, security features, and more. See documentation
Email Migration API lets you migrate emails of users to Google backends. See documentation
Allows the administrators of Google Apps customers to fetch reports about the usage, collaboration, security and risk for their users. See documentation
Gives AdSense publishers access to their inventory and the ability to generate reports See documentation
Gives AdSense Hosts access to report generation, ad code generation, and publisher management capabilities. See documentation
View and manage your Google Analytics data See documentation
Allows MDMs/EMMs and enterprises to manage the deployment of apps to Android for Work users. See documentation
Lets Android application developers access their Google Play accounts. See documentation
Provides a historical view of activity. See documentation
The Google App State API. See documentation
The Google Compute Engine Autoscaler API provides autoscaling for groups of Cloud VMs. See documentation
API for access to the data within Blogger. See documentation
Lets you search for books and manage your Google Books library. See documentation
Lets you manipulate events and other calendar data. See documentation
An API for accessing civic information. See documentation
A Test API to report latency data. See documentation
API for accessing Google Cloud and API monitoring data. See documentation
API for the Google Cloud User Accounts service. See documentation
API for the Google Compute Engine service. See documentation
Manage product items, inventory, and Merchant Center accounts for Google Shopping. See documentation
Lets you view and manage jobs in a Coordinate team. See documentation
Lets you search over a website or collection of websites See documentation
API for accessing Google Cloud Datastore. See documentation
The Deployment Manager API allows users to declaratively configure, deploy and run complex solutions on the Google Cloud Platform. See documentation
Manage your DoubleClick Campaign Manager ad campaigns and reports. See documentation
Lets you discover information about other Google APIs, such as what APIs are available, the resource and method details for each API. See documentation
The Google Cloud DNS API provides services for configuring and serving authoritative DNS records. See documentation
API for viewing and managing your reports in DoubleClick Bid Manager. See documentation
Report and modify your advertising data in DoubleClick Search (for example, campaigns, ad groups, keywords, and conversions). See documentation
The API to interact with Drive. See documentation
Google Fit API See documentation
Find Freebase entities using textual queries and other constraints. See documentation
API for working with Fusion Tables data. See documentation
The API for Google Play Game Services. See documentation
The Publishing API for Google Play Game Services. See documentation
The Management API for Google Play Game Services. See documentation
Lets you have programmatic access to your Google Affiliate Network data. See documentation
Provides access to Genomics data. See documentation
The Gmail REST API. See documentation
Groups Migration Api. See documentation
Lets you manage permission levels and related settings of a group. See documentation
The Google App Engine Admin API enables developers to provision and manage their App Engine applications. See documentation
Google Classroom API See documentation
Retrieves Google Developers Console billing accounts and associates them with projects. See documentation
Lets you examine the stack and variables of your running application without stopping or slowing it down. See documentation
The Google Cloud Resource Manager API provides methods for creating, reading, and updating project metadata. See documentation
The Cloud Trace API allows you to send traces to and retrieve traces from Google Cloud Trace. See documentation
The Google Container Engine API is used for building and managing container based applications, powered by the open source Kubernetes technology. See documentation
Google Dataflow API. See documentation
An API for managing Hadoop-based clusters and jobs on Google Cloud Platform. See documentation
An API to store, process, explore, and share genomic data. It supports reference-based alignements, genetic variants, and reference genomes. This API provides an implementation of the Global Alliance for Genomics and Health (GA4GH) v0.5.1 API as well as several extensions. See documentation
Knowledge Graph Search API allows developers to search the Google Knowledge Graph for entities. See documentation
The Google Cloud Logging API lets you write log entries and manage your logs, log sinks and logs-based metrics. See documentation
Lets advertisers search certified companies and create contact leads with them, and also audits the usage of clients. See documentation
Lets Google Play Movies Partners get the delivery status of their titles. See documentation
This API provides services to register, manage, index, and search beacons. See documentation
Provides reliable, many-to-many, asynchronous messaging between applications. See documentation
An API for executing Google Apps Script projects. See documentation
Transfers data from external data sources to a Google Cloud Storage bucket or between Google Cloud Storage buckets. See documentation
An API to schedule reporting jobs and download the resulting bulk data reports about YouTube channels, videos etc. in the form of CSV files. See documentation
Help the third party sites to implement federated login. See documentation
Licensing API to view and manage license for your domain. See documentation
The Deployment Manager API allows users to declaratively configure, deploy and run complex solutions on the Google Cloud Platform. See documentation
The Google Maps Engine API allows developers to store and query geospatial vector and raster data. See documentation
API for interacting with Glass users via the timeline. See documentation
Lets you access OAuth2 protocol related APIs. See documentation
Lets you analyze the performance of a web page and get tailored suggestions to make that page faster. See documentation
The Google+ API enables developers to build on top of the Google+ platform. See documentation
The Google+ API enables developers to build on top of the Google+ platform. See documentation
Lets you access a cloud hosted machine learning service that makes it easy to build smart apps See documentation
Lets you find the least expensive flights between an origin and a destination. See documentation
The Google Compute Engine Instance Group Manager API provides groups of homogenous Compute Engine Instances. See documentation
The Google Compute Engine Instance Group Updater API provides services for updating groups of Compute Engine Instances. See documentation
Lets you create and manage your customers and their subscriptions. See documentation
The Resource View API allows users to create and manage logical sets of Google Compute Engine instances. See documentation
Lets you programatically verify ownership of websites or domains with Google. See documentation
API for spectrum-management functions. See documentation
API for Cloud SQL database instance management. See documentation
Lets you store and retrieve potentially-large, immutable data objects. See documentation
API for accessing Tag Manager accounts and containers. See documentation
Lets you access a Google App Engine Pull Task Queue over REST. See documentation
Lets you manage your tasks and task lists. See documentation
Lets you translate text from one language to another See documentation
Lets you create, inspect, and manage goo.gl short URLs See documentation
The Google Fonts Developer API. See documentation
Lets you view Google Webmaster Tools data for your verified sites. See documentation
Programmatic access to YouTube features. See documentation
Retrieve your YouTube Analytics reports. See documentation