Top API GitHub Repositories & Tools (2026)

A do everything Redfish, KVM, GUI, and DBus webserver for OpenBMC

Zero-dependency TypeScript library for serializing data to the JSON:API specification with full type safety, relationships, links, and pagination

Data API builder provides modern REST, GraphQL endpoints and MCP tools to your Azure Databases and on-prem stores.

Aplus Framework HTTP Client Library

Golang framework to build multilingual bots for messengers (Telegram, FB Messenger, Skype, Line, Kik, WeChat) hosted on AppEngine, Amazon, Azure, Heroku or standalone

Agentic Data Engineering Harness for building data pipelines, data products, data APIs, and data lakes autonomously

Template for REST API using Gin framework, PostgreSQL database, JWT authentication, Redis cache, MongoDB for logging, domain event publishing to Kafka

API pública para diferentes datos de Argentina

Vulkan header generator, OOP-style API wrapper, framework and prospective Vulkan-based game engine for Object Pascal

TotalCross is a Software Development Kit that helps cross platform application development. Currently supported platforms are: Windows, Wince, Android, iOS, Linux and Linux ARM for embedded systems.

Automatic and permanent proxy collection and update center for free (updated every hour)

goodie bag in use in the go-openapi projects

openapi_first is a Ruby gem for request / response validation and contract-testing against an OpenAPI API description. It makes APIFirst easy and reliable.

Common Release Data for various projects in a consumable format, automatically updated.

URLSession transport for Swift OpenAPI Generator.

Office 365 and Azure Active Directory plugins for Moodle

MCP server for the complete Zabbix API - 237 tools, multi-server, OAuth 2.1 + bearer auth, PDF reports, systemd ready. Works with ChatGPT, Claude, VS Code, Codex, JetBrains and any MCP client.

Publish Xarray Datasets via a REST API.

A lightweight, fully-featured TypeScript SDK for the Shopee Open API v2. Features automatic request signing, pluggable token storage, robust error handling, and 100% endpoint coverage.

Node.js DNS over HTTPS - :tangerine: Tangerine is the best drop-in replacement for dns.promises.Resolver using DNS over HTTPS ("DoH") via undici with built-in retries, timeouts, smart server rotation, AbortControllers, and caching support for multiple backends (with TTL and purge support). Made for @forwardemail.