api-mock

Insomnia Mockbin is the underlying backend for the API mocks capability of Insomnia. It is built and used by Kong, the author of the open-source Kong Gateway.

api-management api-client mocking apis testing-tools api-test api-testing api-mock

UpdatedOct 1, 2025
JavaScript

imposter-project /imposter-jvm-engine

Star399

Scriptable, multipurpose mock server. Run standalone mock servers, or embed mocks within your tests or CI/CD pipeline.

mock rest-api soap mock-server swagger openapi hbase salesforce api-mock mock-responses

UpdatedNov 25, 2025
Kotlin

natenho /Mockaco

Star348

🐵 HTTP mock server, useful to stub services and simulate dynamic API responses, leveraging ASP.NET Core features, built-in fake data generation and pure C# scripting

testing mock csharp roslyn aspnet engine mock-server fake faker mocking dotnet-core aspnet-core mocks hacktoberfest api-mock mocks-generator mock-apis

UpdatedNov 26, 2025
C#

NEIAPI /nei

Star321

NEI 接口管理平台源代码

api api-documentation api-server nei api-mock api-specs

UpdatedMar 1, 2022
JavaScript

LanceGin /Mockman

Star292

Manage and start the mock servers on your local platform easily

electron mock vue mock-server api-mock

UpdatedDec 8, 2022
Vue

muratcorlu /connect-api-mocker

Star271

Connect middleware that creates mocks for REST APIs

webpack express-middleware connect-middlewares gruntjs api-mock

UpdatedJun 20, 2024
JavaScript

WhiteCosmos /Gotcha-Rest-Client

Star213

The open-source, cross-platform API test and design tool.

api graphql curl rest-api websockets grpc http-client api-client electron-app api-design api-mock rest-client

UpdatedJan 18, 2024
Vue

KostyaTretyak /ng-stack

Star132

This Angular library contains several projects: forms, api-mock, contenteditable.

angular contenteditable reactive-forms api-mock angular-forms angular-in-memory-web-api angular-library in-memory-web-api angular-lib

UpdatedApr 14, 2023
TypeScript

zuplo /mockbin

Star131

Mockbin by Zuplo. Mock, Test, and View HTTP Requests and Responses

api-management api-client mocking testing-tools api-test api-testing api-mock mockbin

UpdatedOct 30, 2025
TypeScript

moclojer /moclojer

Star129

Simple and efficient HTTP and Webscoket mock server with specification in yaml, edn or OpenAPI

mock api yaml clojure mock-server swagger openapi api-rest hacktoberfest api-mock swagger2 swagger-api edn openapi3 api-mocker

UpdatedDec 15, 2025
Clojure

matthewgallina /smockin

Star90

Dynamic API, S3 & Mail mocking for web, mobile & microservice development.

java api simulation mock-server raml s3 s3-bucket mocking api-rest java-8 api-simulation api-mock mock-api api-mocking

UpdatedFeb 3, 2025
Java

Intercept & mock http requests issued by XMLHttpRequest, fetch, nodejs https/http module, axios, jquery, superagent, ky, node-fetch, request, got or any other request libraries by intercepting XMLHttpRequest, fetch and nodejs native requests at low level.

mock api-mock request-mock http-request-mock

UpdatedOct 16, 2025
JavaScript

grug /data-mocks

Star62

Library to mock local data requests using Fetch or XHR

testing unit-testing web-development test-framework api-mock fetch-mock

UpdatedJan 4, 2023
TypeScript

sudharsan-selvaraj /wow-xhr

Sponsor

Star32

🔌 Simple library to manipulate HTTP requests/responses and capture network logs made by the browser using selenium tests without using any proxies

mock webdriver mock-server selenium proxy-server test-automation api-mock browsermob-proxy api-logs

UpdatedJul 18, 2021
Java

trayio /mock-inspect

Star18

Mocks network requests and allows you to make assertions about how these requests happened. Supports auto-mocking of graphQL requests given a valid schema.

testing graphql mocking testing-tools mocks mocking-framework mocking-library api-mock graphql-mock