Best API Mocking Software
Application programming interface (API) mocking software simulates the behavior of APIs during software development and testing. These platforms enable developers, QA engineers, and other technical teams to create and deploy mock APIs that mimic the functionality of real APIs without needing a live backend or third-party service.
These products allow teams to define custom API endpoints, set up response scenarios, and simulate various network conditions. By creating virtual API environments, developers can work independently of backend services, test edge cases, and validate client-side code without relying on production systems.
API mocking software typically supports multiple API protocols, such as representational state transfer (REST), Graph query language (GraphQL), and simple object access protocol (SOAP). It can generate realistic mock data based on API specifications like OpenAPI or custom schemas.
API mocking is closely related to service virtualization software, though service virtualization encompasses entire services or systems beyond strictly APIs.
To qualify for inclusion in the API Mocking category, a product must:
Best API Mocking Software At A Glance
G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our scoring methodologies.
- Overview
- Pros and Cons
- Seller Details
Apidog Inc. is a US development platform company founded in 2022. The company operates internationally, serving clients ranging from small teams to enterprise-level organizations with flexible pricing
- Software Engineer
- Senior Software Engineer
- Computer Software
- Information Technology and Services
- 44% Small-Business
- 32% Mid-Market
- Overview
- Pros and Cons
- Seller Details
Beeceptor is a mock server and service virtualization platform that helps QA teams simulate APIs, increase coverate, remove backend dependencies and shift left, and test integrations earlier in the de
- Software Developer
- Computer Software
- Information Technology and Services
- 52% Small-Business
- 25% Mid-Market
173 Twitter followers
- Overview
- Pros and Cons
- Seller Details
WireMock Cloud is AI-native API simulation platform for simulating APIs and services with speed and precision. It enables teams to accelerate development and testing through robust, stateful API simul
- 50% Mid-Market
- 30% Enterprise
- Overview
- Pros and Cons
- Seller Details
Mockaroo is a data generator and API mocking tool helps in creating custom CSV, JSON, SQL, and Excel datasets to test and demo software.
- 42% Small-Business
- 33% Mid-Market
- Overview
- Pros and Cons
- Seller Details
All Things API (ATA) is an advanced, AI-powered API management platform designed to unify and streamline every stage of the API lifecycle. This innovative solution caters to organizations looking to e
- Computer Software
- 100% Mid-Market
- Overview
- Pros and Cons
- Seller Details
Mockoon is a powerful, open-source platform designed to streamline API mocking processes. It offers a comprehensive suite of tools tailored to meet the needs of developers, QA engineers, and teams wor
- Computer Software
- 41% Small-Business
- 35% Enterprise
- Overview
- Pros and Cons
- Seller Details
Mockfly is a cloud-based platform designed to help developers create, manage, and simulate mock APIs for development and testing purposes. It offers a range of features that set it apart from other mo
- 83% Small-Business
- 17% Mid-Market
48 Twitter followers
- Overview
- Pros and Cons
- Seller Details
Mock API is an affordable online API mocking server that allows developers to generate a mocked API in less than 30 seconds and it supports a free forever plan for individuals
- 50% Mid-Market
- 25% Enterprise
- Overview
- Seller Details
Mockable is a simple configurable service to mock out RESTful API or SOAP web-services.
- 67% Small-Business
- 33% Enterprise
- Overview
- Pros and Cons
- Seller Details
MockLab is an API simulator that helps software teams test faster and better.
- 67% Mid-Market
- 33% Small-Business
1 Twitter followers
- Overview
- Seller Details
The world easiest & fastest tool belts to mock your APIs|
- 50% Mid-Market
- 50% Small-Business
- Overview
- Pros and Cons
- Seller Details
Meet Mocklets, a HTTP-based mock API simulator, which helps simulate APIs for faster parallel development and more comprehensive testing.
- 100% Mid-Market
- 100% Small-Business
40 Twitter followers
- Overview
- Pros and Cons
- Seller Details
Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integrations tests.
- 100% Enterprise
- Overview
- Pros and Cons
- Seller Details
Requestly is a modern and powerful companion for API Development and Testing. It is an open-source tool purpose-built to speed up and simplify API development workflow for developers and QAs. It is a
- 40% Mid-Market
- 40% Small-Business
1,558 Twitter followers
- Overview
- Seller Details
AutoStub™ is an essential tool to fasten API development. It can significantly reduce your build time by quickly designing, prototyping, documenting and testing the APIs. AutoStub creates a functiona
1,785 Twitter followers
