Best API Testing Tools in 2026
33 api testing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
33ranked
23free plans on this page
$0.50/molowest paid tier
3 Oct 2026last checked
#1 Postman Top pick · 9.4 Free plan · $9/mo
#2 Apidog Runner-up · 9.4 Free plan · $2.25/mo
#3 Insomnia Also great · 8.9 Free plan · $12/mo
- Free planFree trial extensionLinuxmacOSWebWindows
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial$9/mofirst paid tier About PostmanVisit site - 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
RecognisedDocumentedPlatformsFree planFree trial$2.25/mofirst paid tier About ApidogVisit site - Free planFree trial LinuxmacOSself-hostedWindows
- Free plan
- Yes
- Paid from
- 12 /user/mo
- GraphQL support
- Yes
- SOAP support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial$12/mofirst paid tier About InsomniaVisit site - Free planFree trial apiextensionLinuxmacOSWindows
- Free plan
- Yes
- Paid from
- 6 /user/mo
- GraphQL support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial$0.50/mofirst paid tier About BrunoVisit site - Free plan LinuxmacOSself-hostedWindows
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan apiextensionLinuxmacOSself-hostedWindows
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial$8.33/mofirst paid tier About KarateVisit site - Free planFree trial apiself-hostedWeb
- Free plan
- Yes
- GraphQL support
- No
- SOAP support
- No
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial$115.42/mofirst paid tier About PactFlowVisit site - Web
- Free plan
- No
- GraphQL support
- Yes
- SOAP support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan WebWindowsmacOSLinux
- Free plan
- Yes
- Paid from
- 19 /user/mo
- GraphQL support
- Yes
- SOAP support
- No
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free planFree trial LinuxmacOSWindows
- Free plan
- Yes
- Paid from
- 5 /user/mo
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial$5/mofirst paid tier About KreyaVisit site - Free plan WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan WindowsmacOSLinux
- Free plan
- Yes
- Paid from
- 3 /user/mo
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial$3/mofirst paid tier About Thunder ClientVisit site - Free plan LinuxmacOSWindows
- Free plan
- Yes
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trialFree About PactVisit site - Free plan apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 6 /user/mo
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial$6/mofirst paid tier About HoppscotchVisit site - Free plan WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trialFree About HurlVisit site - Free trial AndroidapiiOSLinuxmacOSself-hostedWindows
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan
- Free plan
- Yes
- GraphQL support
- Yes
- SOAP support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan
- Free plan
- Yes
- SOAP support
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan WindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
- Scheduled runs
- No
RecognisedDocumentedPlatformsFree planFree trial$6.58/mofirst paid tier About YaakVisit site - Free plan WebWindowsmacOSLinux
- Free plan
- Yes
- GraphQL support
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan
- Free plan
- Yes
- GraphQL support
- Yes
- Scheduled runs
- Yes
- CI/CD integration
- Yes
RecognisedDocumentedPlatformsFree planFree trial
Is your tool 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 Specifiction?
Postman is ranked #1 of 33 with a score of 9.4. Apidog is second and Insomnia third.
How many of these have a free plan?
23 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 what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.
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