Mockoon Alternatives (January 2026)

Create mock APIs in seconds with Mockoon

Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.

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Mocky: The world's easiest & fastest tool to mock your APIs

https://designer.mock

.io/

Don't wait for the backend to be ready, generate custom API responses with Mocky and start working on your application straightaway

WireMock - flexible, open source API mocking | WireMock

https://wiremoc

.org/

WireMock is a tool for building mock APIs. API mocking enables you build stable, predictable development environments when the APIs you depend on are unreliable or don’t exist.

The Collaborative API Development Platform - Insomnia

https://insomni

.rest/

Leading Open Source API Development Platform for HTTP, REST, GraphQL, gRPC, SOAP, and WebSockets

OpenAPI Design & Documentation Management Tool | Stoplight

https://stopligh

.io/

With Stoplight, you can create OpenAPI descriptions, documentation, and mock servers much faster than other API tools — with no specialized knowledge required — all in one centralized platform.

The World's Most Popular API Testing Tool | SoapUI

https://www.soapu

.org/

SoapUI is the world's most widely-used automated testing tool for SOAP and REST APIs. Write, run, integrate, and automate advanced API Tests with ease. See why millions of users trust SoapUI for testing their APIs today!

API Documentation & Design Tools for Teams | Swagger

https://swagge

.io/

Simplify API development for users, teams, and enterprises with our open source and professional toolset. Find out how Swagger can help you and get started today.

Rapid API Marketplace & Management Tools

https://rapidap

.com/

Discover Rapid's API Marketplace for easy API monetization and better API management. Learn about API testing tools and monetize your APIs effortlessly.

Mockplus - Design, Prototype & Collaborate Better and Faster

https://www.mockplu

.com/

Empower your UI/UX design team with top prototyping solutions. Create interactive web or app wireframes and prototypes without any coding skills.

API Server: Build a REST API from your DB with a few clicks

https://www.cdat

.com/apiserver/

Create a REST API from any database. Hook up any SQL or NoSQL database and the CData API Server instantly generates flexible, comprehensive, & fully documented APIs.