Pikopod/pikopod

Local API emulation for CI and no-network sandboxes

Simulate API failures, throttling, and chaos — all from your command line.

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

Open-source OpenAPI mock server with cloud hosting and local modes for development, testing, and CI. Generates realistic API responses from specs with latency simulation, error injection, proxy fallback, and request validation. Validated against 2,200+ real-world OpenAPI specs.

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.

A simulation platform for use during testing, during development and for high-fidelity application previews

⏰ 🔥 A TCP proxy to simulate network and system conditions for chaos and resiliency testing

API 200 is an open source API gateway to simplify 3rd-party integrations. Import endpoints, set up caching, retries, and mocks. Access all services via one URL. Monitor logs, track errors, and get alerts on API incidents.

Your next-gen API testing and development tool.