Self-hostable software: API Management (55)

Hoppscotch is an open source API development ecosystem for sending requests, testing responses, and collaborating on API work.

Strapi is an open-source, self-hosted headless CMS that helps developers build content APIs quickly and provides content creators with an editing interface.

Bruno is an open-source API client and IDE for exploring and testing APIs.

Kong Gateway is a cloud-native API, LLM, and MCP gateway for proxying, routing, load balancing, authentication, and plugin-based traffic control.

A Next.js-native headless CMS that installs directly into an existing `/app` folder.

Hyperswitch is a modular, open-source payments infrastructure platform for routing, retries, vaulting, reconciliation, and payment observability.

Novu is an open-source communication infrastructure platform for sending and managing multi-channel notifications and agent conversations through a single API.

Medusa is a commerce platform and customization framework for building custom digital commerce applications.

An open source GraphQL engine that provides a single secure API endpoint for accessing data and building modern applications.

NGINX is a high-performance web server, reverse proxy, load balancer, API gateway, and content cache.

Composio SDK provides TypeScript and Python libraries for integrating AI agents with external apps and services.

Opik is an open-source platform for observability, evaluation, monitoring, and optimization of LLM applications and agentic systems.