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Best API Testing Tools in 2026

Updated

35 API testing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

35ranked
0free plans on this page
4 Oct 2026last checked
  1. 26

    Tavern

    5.6
    Free plan
    Yes
    GraphQL support
    Yes
    Scheduled runs
    Yes
    CI/CD integration
    Yes
    RecognisedDocumentedFree planPlatforms
    About TavernVisit site
  2. 27

    Assertible

    5.5
    Web
    Free plan
    Yes
    Scheduled runs
    Yes
    CI/CD integration
    Yes
    RecognisedDocumentedFree planPlatforms
    About AssertibleVisit site
  3. 28

    HttpMaster

    5.5
    Windows
    Free plan
    Yes
    SOAP support
    Yes
    CI/CD integration
    Yes
    RecognisedDocumentedFree planPlatforms
    About HttpMasterVisit site
  4. 29

    PactumJS

    5.5
    Free plan
    Yes
    GraphQL support
    Yes
    CI/CD integration
    Yes
    RecognisedDocumentedFree planPlatforms
    About PactumJSVisit site
  5. 30

    Step CI

    5.5
    Free plan
    Yes
    GraphQL support
    Yes
    SOAP support
    Yes
    CI/CD integration
    Yes
    RecognisedDocumentedFree planPlatforms
    About Step CIVisit site
  6. 31

    RestTestGen

    5.4
    Linux
    Free plan
    Yes
    RecognisedDocumentedFree planPlatforms
    About RestTestGenVisit site
  7. 32

    REST Assured

    5.1
    RecognisedDocumentedFree planPlatforms
    About REST AssuredVisit site
  8. 33

    RESTest

    5.1
    RecognisedDocumentedFree planPlatforms
    About RESTestVisit site
  9. 34

    Frisby.js

    4.8
    RecognisedDocumentedFree planPlatforms
    About Frisby.jsVisit site
  10. 35

    SuperTest

    4.8
    RecognisedDocumentedFree planPlatforms
    About SuperTestVisit site

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