
MockAPI
Lightweight Local API Mock Server One binary Full-featured.
What it does
MockAPI is a lightweight local API mock server for developers who want to move fast. 🎨 Web UI — Dark theme interface to manage routes visually 📥 Swagger Import — Auto-generate mocks from OpenAPI specs 🔌 WebSocket & GraphQL — Mock modern APIs 🔄 Proxy Mode — Forward unmatched requests to real backend Perfect for: • Frontend developers waiting for backend APIs • Testing edge cases and error responses • Prototyping and rapid development Open source and free. Built with Go.
Does the same job
all alternatives →- OMOpenAPI mocks that don't suck – realistic test data, quick setup2025 · beeceptor.com · ▲13
Hi HN! I'm Ankit, the founder of Beeceptor, a request mocking and intercepting tool. This time, I built something new to address a pain I’ve personally felt (and heard from dozens of QA, frontend, and platform teams): making OpenAPI specs actually useful during development. API contracts just sit around as docs often. What if you could 'activate' them, instantly have a realistic, hosted mock server-with contract validation, smart test data, and early usage? So I made _Mockaroo for OpenAPI_, but with brains. It spins up a hosted mock server from your spec in one click. It: - Generates…


- WBWe built a tool that automatically generates API tests2022 · stepci.com · ▲108
Hi, this is Mish and Sebastian. We are working on Step CI - a fully automated API testing platform for developers. Step CI works programming-language independent and for different API paradigms (REST, GraphQL, XML). Our CLI and test runner are available on GitHub (https://github.com/stepci) under the MPLv2 license. Since our last launch, Step CI is now able to generate automated tests for your API based on your OpenAPI (Swagger) spec. This saves you a lot of time as you never have to write and maintain your tests again! We would like to invite you to try our tool and give us…

- AFA faster way to prototype your APIs using OpenAPI 3 and Swagger UI2020 · github.com · ▲77
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