Alternatives to ReadyAPI

18.2

LocalStack

LocalStack simulates cloud environments on customer infrastructure so developers and AI agents can validate cloud applications before deployment.

Free planOpen sourceWebAPIExtension

Free plan

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27.9

Beeceptor

Beeceptor is a developer-focused API simulation platform for creating mocks, virtualizing services, testing contracts, and simulating failures.

Free planWebAPILinux

From $10 a month

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37.2

Microcks

Microcks is a free, open-source tool for mocking and testing APIs and microservices.

Free planWebAPIExtension

Free plan

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4. 4

   Hoverfly

   Hoverfly Cloud is a hosted API simulation and mocking service for development and testing that should not rely on live API dependencies.

   WebAPILinuxmacOS
   6.7From $10 a month
   Visit
5. 5

   MockServer

   MockServer is free, self-hosted software for mocking and proxying HTTP, HTTPS, and gRPC services in isolated, deterministic testing.

   Free planWebAPILinuxmacOS
   6.6Free plan
   Visit
6. 6

   Automic Continuous Delivery Automation

   Automic Continuous Delivery Automation orchestrates application releases and deployments, with real-time monitoring and release reporting.

   WebAPILinuxSelf-hosted
   6.5
   Visit
7. 7

   BlazeMeter

   BlazeMeter is an enterprise continuous testing platform for performance, functional, and API testing.

   WebAPIExtensionLinux
   6.5From $99 a year
   Visit
8. 8

   WireMock

   WireMock simulates APIs and software dependencies, letting teams test without relying on those services, explore edge cases, and develop dependent features in parallel.

   Free planWebAPILinuxSelf-hosted
   6.4Free plan
   Visit
9. 9

   Amazon Aurora

   Amazon Aurora is a fully managed relational database service offering PostgreSQL, MySQL, and DSQL engines.

   Free planAPI
   6.3Free plan
   Visit
10. 10WI

    Wilma

    Wilma is a self-hosted tool for developing and testing applications that rely on other services.

    Free planWebSelf-hosted
    6.3Free plan
    Visit
11. 11AZ

    Azurite

    Azurite is a free, open-source server emulator for trying Azure Storage APIs in a local environment.

    Free planExtensionLinuxmacOSSelf-hosted
    6.2Free plan
    Visit
12. 12DL

    DynamoDB Local

    DynamoDB Local lets developers build and test applications without connecting to the DynamoDB web service.

    Free planAPILinuxmacOSSelf-hosted
    6.1Free plan
    Visit
13. 13

    Traffic Parrot

    Traffic Parrot simulates APIs, services, and systems so teams can test applications and microservices in isolation.

    WebAPILinuxmacOS
    6.0
    Visit
14. 14MO

    mountebank

    mountebank is a free, self-hosted tool for developers who need applications to work against test doubles rather than real dependencies.

    Free planAPILinuxSelf-hosted
    5.8Free plan
    Visit
15. 15

    Cavisson NetOcean

    Cavisson NetOcean simulates backend applications and third-party systems so development and testing teams can test without relying on those systems.

    WebAPISelf-hosted
    5.6
    Visit
16. 16SE

    Servirtium

    Servirtium records HTTP interactions during tests and replays them from saved files, allowing playback without calling the real service.

    APILinuxmacOSSelf-hosted
    5.5
    Visit
17. 17

    Azure Cosmos DB Emulator

    Free planLinuxWindows
    5.4Free plan
    Visit
18. 18PV

    Parasoft Virtualize

    WebLinuxmacOSWindows
    5.3
    Visit
19. 19OS

    OpenText Service Virtualization

    OpenText Service Virtualization is a self-hosted tool for service virtualization, database testing, and test data management.

    WebLinuxWindows
    5.2
    Visit
20. 20TT

    Tricentis Tosca

    Web
    5.1
    Visit

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