Self-hostable software: API Management (57)

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

An open-source headless CMS for managing content, self-hosted or in Strapi Cloud.

A lightning-fast search engine that fits into apps, websites, and workflows.

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

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

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

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

Novu is an open-source notification platform that provides a unified API and embeddable inbox for sending and managing multi-channel notifications.

Medusa is an open-source commerce platform and customization framework for building custom commerce applications.

Hasura GraphQL Engine provides a secure, composable API layer over data sources, exposing data through a single endpoint.

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.