Best API Testing Tools in 2026
Updated
34 API testing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
34ranked
2free plans on this page
$6.58/molowest paid tier
4 Oct 2026last checked
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 26 PactumJS No phone app RecognisedPhone appDocumentedFree plan 5.5 GraphQL support: Yes
- 27 REST Assured No phone app RecognisedPhone appDocumentedFree plan 5.4Free
- 28 RESTler No phone app RecognisedPhone appDocumentedFree plan 5.4
- 29 HTTPie No phone app RecognisedPhone appDocumentedFree plan 5.4 GraphQL support: Yes
- 30 Yaak No phone app RecognisedPhone appDocumentedFree plan 5.3$6.58/mo GraphQL support: YesScheduled runs: No
- 31 RESTest No phone app RecognisedPhone appDocumentedFree plan 5.2
- 32 HttpMaster No phone app RecognisedPhone appDocumentedFree plan 5.0 SOAP support: Yes
- 33 Frisby.js No phone app RecognisedPhone appDocumentedFree plan 4.7
- 34 SuperTest No phone app RecognisedPhone appDocumentedFree plan 4.7Free
Compare all 9 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | GraphQL support | SOAP support |
|---|---|---|---|---|---|---|---|---|
| 26 | PactumJS | 5.5 | No | — | Yes | — | Yes | — |
| 27 | REST Assured | 5.4 | Free plan | Free | — | — | — | — |
| 28 | RESTler | 5.4 | No | — | Yes | — | — | — |
| 29 | HTTPie | 5.4 | No | — | Yes | — | Yes | — |
| 30 | Yaak | 5.3 | No | $6.58/mo | Yes | — | Yes | — |
| 31 | RESTest | 5.2 | No | — | — | — | — | — |
| 32 | HttpMaster | 5.0 | No | — | Yes | — | — | Yes |
| 33 | Frisby.js | 4.7 | No | — | — | — | — | — |
| 34 | SuperTest | 4.7 | Free plan | Free | — | — | — | — |
More in Developer Tools
All developer tools listsAccessibility Testing Software 131AI Coding Assistants 101Package Managers 93Log Management Software 80AI Agent Platforms 68Artifact repository software 62Software Composition Analysis Software 56Continuous Integration Software 52Development Environment Managers 50Code review software 49Container Registries 49Version Control Software 49