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API Development Tools

Alternatives to Restlet Framework

The tools Specifiction weighs against Restlet Framework, from its list of api development tools, each with its plans, platforms and spec score.

  1. 01 Apidog

    Apidog suits teams that need to design and test APIs from specifications, automate request sequences, or work with Postman data.

    From $9/mo Free plan Web · Windows · macOS · Linux
    9.5 Visit Specs
  2. 02 Beeceptor

    It suits developers, testers, and QA professionals building or testing APIs, integrations, CI pipelines, and customer demos.

    From $10/mo Free plan Web · Windows · macOS · Linux
    9.4 Visit Specs
  3. 03 Bruno

    Bruno suits developers who want API collections stored and reviewed alongside project files in Git.

    From $6/mo Free plan Open source Windows · macOS · Linux · API
    9.4 Visit Specs
  4. 04 HTTPie

    HTTPie suits developers and teams who test or debug APIs across a terminal, desktop, or web workflow.

    From $10/mo Free plan Open source Web · Windows · macOS · Linux
    9.2 Visit Specs
  5. 05 Pact

    Pact suits developers working on integrations when their team controls both the consumer and provider applications.

    From $115.42/mo Free plan Windows · macOS · Linux · API
    8.9 Visit Specs
  6. 06 ReadyAPI
    Free trial Web · Windows · macOS · Linux
    8.9 Visit Specs
  7. 07 Scalar

    Scalar suits development teams building and documenting APIs from OpenAPI documents, especially those using GitHub workflows.

    From $150/mo Free plan Open source Web · Windows · macOS · Linux
    8.9 Visit Specs
  8. 08 SoapUI

    SoapUI suits developers and testers starting with API testing, especially those working with REST, SOAP, or GraphQL services.

    From $89.08/mo Free plan Open source Windows · macOS · Linux · API
    8.9 Visit Specs
  9. 09 Insomnia

    Insomnia suits developers and teams working across API design, testing, debugging, and mock generation.

    From $12/mo Free plan Windows · macOS · Linux · Self-hosted
    8.7 Visit Specs
  10. 10 Testfully

    It suits software engineers, DevOps engineers and software testers who need API testing, monitoring or CI/CD test runs.

    From $10/mo Free plan Web · Windows · macOS · Linux
    8.7 Visit Specs
  11. 11 Kreya

    Kreya suits developers who need to explore or test APIs across several protocols, or automate API checks in CI/CD.

    From $5/mo Free plan Windows · macOS · Linux
    8.6 Visit Specs
  12. 12 Postman

    Postman suits people designing, testing, documenting, or monitoring APIs, including teams that need collaboration, integrations, or API testing across multiple protocols.

    From $9/mo Free plan Web · Windows · macOS · Linux
    8.6 Visit Specs
  13. 13 Requestly
    From $10/mo Free trial Windows · macOS · Linux
    8.6 Visit Specs
  14. 14 Mockoon

    It suits developers and teams building or testing API-dependent applications, including those that need automated mock runs.

    From €10/mo Free trial Web · Windows · macOS · Linux
    8.5 Visit Specs
  15. 15 Redocly

    Redocly suits developers, technical writers, product managers, and executives working on API documentation and governance.

    From $10/mo Free trial Web · API · Browser extension
    8.4 Visit Specs
  16. 16 Assertible

    Assertible is aimed at QA professionals, developers, and people who operate web services.

    From $25/mo Free plan Web · API
    8.3 Visit Specs
  17. 17 Bump.sh
    From $50/mo Free trial Web · API · Self-hosted
    8.3 Visit Specs
  18. 18 HTTP Toolkit
    Free plan Web · Windows · macOS · Linux
    8.1 Visit Specs
  19. 19 Hurl

    Hurl suits developers who want to define HTTP requests as plain text and run API or session checks from the command line.

    Free plan Windows · macOS · Linux · Self-hosted
    8.1 Visit Specs
  20. 20 SwaggerHub

    SwaggerHub suits API teams and cross-functional contributors who need shared design, documentation, testing, and governance tools.

    From $61.67/mo Free plan Web · Self-hosted
    8.0 Visit Specs
  21. 21 Thunder Client

    It suits developers who want an IDE-based API client and can work with locally stored collections.

    From $3/mo Free plan Windows · macOS · Linux · Browser extension
    8.0 Visit Specs
  22. 22 OpenAPI Generator

    It suits developers who need to generate API clients, server stubs, or documentation from OpenAPI specifications.

    Free plan Web · Windows · macOS · Linux
    7.9 Visit Specs
  23. 23 Yaak

    Yaak suits API developers and teams sharing requests through Git, especially those seeking control over local API data.

    From $6.58/mo Free plan Windows · macOS · Linux
    7.8 Visit Specs
  24. 24 Schemathesis

    Schemathesis suits engineers testing OpenAPI or GraphQL APIs, especially those integrating API tests into CI/CD.

    Free plan Windows · macOS · Linux · Self-hosted
    7.7 Visit Specs
  25. 25 ReadMe

    It suits teams publishing documentation for both internal and external readers.

    From $250/mo Free plan Web
    7.5 Visit Specs
  26. 26 Stainless

    Stainless suits API teams that use OpenAPI specifications to generate SDKs, documentation or MCP servers.

    Free plan Web · macOS · Linux
    7.5 Visit Specs
  27. 27 Stoplight Elements

    Elements suits developers who need self-hosted, embeddable API reference documentation from OpenAPI files.

    Free plan Web · Self-hosted
    7.4 Visit Specs
  28. 28 Swagger Editor
    Free plan Web · Self-hosted
    7.4 Visit Specs
  29. 29 WireMock

    WireMock suits developers and test teams that need to work against simulated services or validate contract behavior.

    Free plan Web · Linux · API · Self-hosted
    7.4 Visit Specs
  30. 30 Speakeasy
    Web · Windows · macOS · Linux
    7.2 Visit Specs

Restlet Framework, head to head