
Beeceptor
7.9#2 in api mocking toolsFrom $10 a monthFree planWebAPILinuxmacOS
Visit

Beeceptor suits developers, testers, and QA professionals who need API mocks for development, testing, integrations, CI pipelines, or customer demos. It supports both web use and self-hosted deployment.
MockServer suits teams that need a self-hosted way to mock services, validate requests, or simulate failures during testing. It supports multiple protocols and client libraries for developers working in several languages.