SmartMock.io Alternatives
SmartMock.io is described as 'Tool to set up, manage, and troubleshoot HTTP protocol API mocks (REST, SOAP, JSON-RPC) in the cloud. This frees you up to focus on the logic of your mocks and not have to think about boilerplate code of your own HTTP mock servers' and is an app in the development category. There are more than 10 alternatives to SmartMock.io for a variety of platforms, including Web-based, Mac, Windows, Linux and SaaS apps. The best SmartMock.io alternative is Mockoon, which is both free and Open Source. Other great apps like SmartMock.io are mockd, Beeceptor, WireMock and MockServer.
Alternatives list
Multi-protocol mock server for HTTP, gRPC, GraphQL, WebSocket, MQTT, SSE, and SOAP. One Go binary, zero dependencies. Supports stateful CRUD, digital twins (passes real SDK tests), chaos engineering, OpenAPI/Postman/HAR/cURL import, and a built-in MCP server for AI agents.
Cost / License
- Freemium
- Open Source (Apache-2.0)
Platforms
- Online
- Software as a Service (SaaS)
- Linux
- Windows
- Mac


- 42 Beeceptor alternatives
Build a mock Rest API endpoint in seconds. Helps you in UI development, Webhooks, simulating delays, simulating exceptions and server errors, performance test, etc.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)



- 20 WireMock alternatives
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
- 27 MockServer alternatives
MockServer can be used for mocking any system you integrate with via HTTP or HTTPS (i.e. services, web sites, etc).
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Mac
- Windows
- Linux
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.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
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...
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
- Self-Hosted



Cost / License
- Freemium
- Proprietary
Platforms
- Online


+1
Cost / License
- Free
- Proprietary
Platforms
- Online


+1
Online API Mocking Tool: API Mock, fake API, stub API, simulate API, dummy API. Capture and debug requests instantly. Forward requests to localhost for webhooks testing and debugging. More than 100 random or faker shortcodes for response templating.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)



With Mockaron, create mock REST APIs without server configuration or setup. Its intuitive and no-code app makes it super easy to get started.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
- Online



Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integrations tests.
Cost / License
- Free
- Open Source
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)





































