API & Mircroservice Management

Full-lifecycle API Management. Easily unify the management, security, and governance of both synchronous and asynchronous ecosystems with the leading open source API Management platform.

The API Sales Engine. Drive cold outreach, collapse sales cycles, and slash activation time with infrastructure purpose-built for API products.

Open source API development ecosystem. Helps you create requests faster, saving precious time on development.

OverAPI.com is a site collecting all the cheatsheets, all!

Liveblocks is a set of APIs and tools that helps you create performant and reliable collaborative experiences.

GraphQL provides a complete description of the data in your API, gives clients the power to ask for exactly what they need and nothing more, makes it easier to evolve APIs over time, and enables powerful developer tools.

Simplify API development for users, teams, and enterprises with our open source and professional toolset. Find out how Swagger can help you and get started today.

Kong is the cloud connectivity company for API & Microservice management. Our platform unifies API gateway, Ingress, and Service Mesh in one developer solution.

The API Design Platform and API Client. Leading Open Source API Client, and Collaborative API Design Platform for REST, SOAP, GraphQL, and GRPC

Bearer helps security teams at tech companies automatically map data flows, and easily identify & mitigate data security risks across their products.

Apollo Graph Platform— unify APIs, microservices, and databases into a graph that you can query with GraphQL.

Simple, scalable and reliable. Hosted realtime APIs loved by developers and trusted by giants. Build live dashboards, notifications, geotracking, chat and more.

Integrate and monitor APIs at warp speed. Apideck is the fastest way for developers to build integrations. Connect new APIs in minutes instead of days.

The OpenAPI Initiative (OAI) was created by a consortium of forward-looking industry experts who recognize the immense value of standardizing on how APIs are described.

Free fake API for testing and prototyping. Powered by JSON Server + LowDB