Best API Testing Tools in 2026
Updated
In short: Apidog is ranked #1 of 35 as of 4 October 2026, ahead of Postman and Bruno. The best-ranked option with a free plan is Postman. The lowest first paid tier on this page is Bruno at $0.50/mo.
API testing tools help you check API behavior and build testing into development workflows. Compared on CI/CD integration and contract testing, the entries also let you assess GraphQL and SOAP support, mock servers, and scheduled runs. Apidog, Postman, and Bruno are among the tools shown. If you have particular API types or testing routines in mind, match them against the listed capabilities. Included requests, free-plan availability, and paid-from pricing offer additional points for comparing what is available and its cost. Use these criteria to focus on tools that align with your testing workflow.
35 API testing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Apidog Top pick · 8.0 Free plan · $2.25/mo
#2 Postman Runner-up · 8.0 Free plan · $9/mo
#3 Bruno Also great · 7.9 Free plan · $0.50/mo
- Free planFree trial apiextensionLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 9 /user/mo
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$2.25/mofirst paid tier About ApidogVisit site - Free planFree trial extensionLinuxmacOSWebWindows
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$9/mofirst paid tier About PostmanVisit site - Free planFree trial apiextensionLinuxmacOSWindows
- Free plan
- Yes
- Paid from
- 6 /user/mo
- GraphQL support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$0.50/mofirst paid tier About BrunoVisit site - Free planFree trial LinuxmacOSWindows
- Free plan
- Yes
- Paid from
- 5 /user/mo
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$5/mofirst paid tier About KreyaVisit site - Free planFree trial apiLinuxmacOSself-hostedWindows
- Free plan
- Yes
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$115.42/mofirst paid tier About PactVisit site - Free planFree trial LinuxmacOSself-hostedWindows
- Free plan
- Yes
- Paid from
- 12 /user/mo
- GraphQL support
- Yes
- SOAP support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$12/mofirst paid tier About InsomniaVisit site - Free planFree trial apiself-hostedWeb
- Free plan
- Yes
- GraphQL support
- No
- SOAP support
- No
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$115.42/mofirst paid tier About PactFlowVisit site - Free plan apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 6 /user/mo
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$6/mofirst paid tier About HoppscotchVisit site - Free plan apiextensionLinuxmacOSself-hostedWindows
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$8.33/mofirst paid tier About KarateVisit site - Free trial AndroidapiiOSLinuxmacOSself-hostedWindows
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan LinuxmacOSself-hostedWindows
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan LinuxmacOSself-hostedWindows
- Free plan
- Yes
- GraphQL support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan WindowsmacOSLinux
- Free plan
- Yes
- Paid from
- 3 /user/mo
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms$3/mofirst paid tier About Thunder ClientVisit site - Free plan apiWeb
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan self-hostedWeb
- Free plan
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Free plan
- No
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- Scheduled runs
- No
RecognisedDocumentedFree planFree trialPlatforms$6.58/mofirst paid tier About YaakVisit site - WebWindowsmacOSLinux
- Free plan
- Yes
- Paid from
- 19 /user/mo
- GraphQL support
- Yes
- SOAP support
- No
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - WebWindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
RecognisedDocumentedFree planFree trialPlatforms - WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms -
- Free plan
- Yes
- SOAP support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - LinuxmacOSWindows
- Free plan
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Free plan
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedFree planFree trialPlatforms
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which API testing tool is ranked first on The Geeks Club?
Apidog is ranked #1 of 35 with a score of 8.0. Postman is second and Bruno third.
How many of these have a free plan?
14 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Bruno has the lowest first paid tier we found: $0.50/mo.
How is this list ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.