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
1free plans on this page
4 Oct 2026last checked
Input list API Testing Tools 10 channels on this page · 22 of 80 spec lines stated by the makers
Ch Tool Free planPaid fromGraphQL supportSOAP supportScheduled runsCI/CD integrationMock serverContract testing Spec sheet Score
26 Tavern Free planYesPaid fromnot statedGraphQL supportYesSOAP supportnot statedScheduled runsYesCI/CD integrationYesMock serverNoContract testingnot stated 5/8spec lines stated 5.7
27 Assertible Free planYesPaid fromnot statedGraphQL supportnot statedSOAP supportnot statedScheduled runsYesCI/CD integrationYesMock servernot statedContract testingnot stated 3/8spec lines stated 5.6
28 HttpMaster Free planYesPaid fromnot statedGraphQL supportnot statedSOAP supportYesScheduled runsnot statedCI/CD integrationYesMock servernot statedContract testingnot stated 3/8spec lines stated 5.6
29 PactumJS Free planYesPaid fromnot statedGraphQL supportYesSOAP supportnot statedScheduled runsnot statedCI/CD integrationYesMock serverYesContract testingYes 5/8spec lines stated 5.6
30 Step CI Free planYesPaid fromnot statedGraphQL supportYesSOAP supportYesScheduled runsnot statedCI/CD integrationYesMock servernot statedContract testingYes 5/8spec lines stated 5.6
31 RestTestGen Free planYesPaid fromnot statedGraphQL supportnot statedSOAP supportnot statedScheduled runsnot statedCI/CD integrationnot statedMock servernot statedContract testingnot stated 1/8spec lines stated 5.4
32 REST Assured Free plannot statedPaid fromnot statedGraphQL supportnot statedSOAP supportnot statedScheduled runsnot statedCI/CD integrationnot statedMock servernot statedContract testingnot stated 0/8spec lines stated 5.0
33 RESTest Free plannot statedPaid fromnot statedGraphQL supportnot statedSOAP supportnot statedScheduled runsnot statedCI/CD integrationnot statedMock servernot statedContract testingnot stated 0/8spec lines stated 5.0
34 Frisby.js Free plannot statedPaid fromnot statedGraphQL supportnot statedSOAP supportnot statedScheduled runsnot statedCI/CD integrationnot statedMock servernot statedContract testingnot stated 0/8spec lines stated 4.7
35 SuperTest Free plannot statedPaid fromnot statedGraphQL supportnot statedSOAP supportnot statedScheduled runsnot statedCI/CD integrationnot statedMock servernot statedContract testingnot stated 0/8spec lines stated 4.7
Compare all 10 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | GraphQL support | SOAP support |
|---|---|---|---|---|---|---|---|---|
| 26 | Tavern | 5.7 | No | — | Yes | — | Yes | — |
| 27 | Assertible | 5.6 | No | — | Yes | — | — | — |
| 28 | HttpMaster | 5.6 | No | — | Yes | — | — | Yes |
| 29 | PactumJS | 5.6 | No | — | Yes | — | Yes | — |
| 30 | Step CI | 5.6 | No | — | Yes | — | Yes | Yes |
| 31 | RestTestGen | 5.4 | No | — | Yes | — | — | — |
| 32 | REST Assured | 5.0 | Free plan | Free | — | — | — | — |
| 33 | RESTest | 5.0 | No | — | — | — | — | — |
| 34 | Frisby.js | 4.7 | No | — | — | — | — | — |
| 35 | SuperTest | 4.7 | No | — | — | — | — | — |
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