OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
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Updated
Jul 29, 2025 - Java
An API can be thought of as an instruction manual for communication between multiple software apparatuses. For example, an API may be used for database communication between web applications. By extracting the implementation and relinquishing data into objects, an API simplifies programming.
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
A JVM library for all Twitch APIs, including Chat, Helix, and EventSub (webhook/websocket/conduit). It includes advanced features for large-scale apps such as connection pooling, rate-limiting, and more!
A Java API for Alpaca, the commission free, algo friendly, stock trading broker. https://alpaca.markets
Algolia Search API Client for Android
A Java client for the Sypht API
Java bindings for the Salt API
Java client library for Crowdin API
Java client, built on top of jclouds, for working with Bitbucket's REST API
Java Binance API Client
Proxmox VE Client API JAVA
The open source branch of our legacy API providing a robust, mission critical SSH component to the community.
RadioBrowser Java API library
OpenVK Legacy mobile client for Android >2.1. Inspired by VK 3.x app from 2013.
Java API for Airtable (http://www.airtable.com)
⚡️ A fully-featured and blazing-fast Java API client to interact with Algolia.
A beautiful mobile client for managing your Parse apps on your android phone. https://play.google.com/store/apps/details?id=com.galtashma.parsedashboard
OpenAPI specification for Adobe Experience Manager (AEM) API
Java open source EBICS client - Support for French, German and Swiss banks