WireMock is a simulator for HTTP-based APIs. Some might consider it a service virtualization tool or a mock server.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
Beeceptor is described as 'Build a mock Rest API endpoint in seconds. Helps you in UI development, Webhooks, simulating delays, simulating exceptions and server errors, performance test, etc' and is an app in the development category. There are more than 25 alternatives to Beeceptor for a variety of platforms, including Web-based, Mac, Linux, Windows and SaaS apps. The best Beeceptor alternative is Fossorial Pangolin, which is both free and Open Source. Other great apps like Beeceptor are ngrok, apimock-rs (API Mock), Mockoon and Reqable.
WireMock is a simulator for HTTP-based APIs. Some might consider it a service virtualization tool or a mock server.
Offers an open source sharing solution built on OpenZiti for secure app tunneling. Available as SaaS or self-hosting, it supports decentralized content sharing, is scalable for large and small deployments, allows private, secure communication, and operates on Raspberry Pi.

Runscope helps you monitor, log and measure API usage to solve API problems fast. Automatically monitor APIs without any coding. Runscope provides complete logging for all of your API traffic. Track down troublesome API calls with powerful search.





MockServer can be used for mocking any system you integrate with via HTTP or HTTPS (i.e. services, web sites, etc).
SOAP/REST Mock Service is a simple configurable framework to mock out SOAP or RESTful (or "REST-like") webservices. It's main goal is to support automated integration testing of applications that integrate with 3rd party webservices.
Request inspection, debug web hooks, http clients etc. Crete an endpoint to collect and test an application. All request sent to this endpoint are forwarded to you in real time




Mockintosh is a mock server generator that's capable to generate RESTful APIs or communicate with message queues to mimick asyncronous tasks. Such that it enables software development teams to work independently while building and maintaining a complicated microservice...



Bearer is a developer tool that helps engineering teams monitor API requests, track performance, detect anomalies, and fix issues for their critical API usage. The solution monitors all outgoing API requests without proxying traffic.




Instantly create HTTP mock API endpoints with custom responses, dynamic path params, custom headers, configurable delays, and real-time traffic logs.










OpenXpress is a robust and versatile platform offering Docker container hosting with a range of features designed to simplify and enhance your web application deployment.



Runscope does not mock APIs, just monitors their uptime.