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What is the best API testing tool?

A commercial recommendation prompt. We size how many people ask ChatGPT this from real search demand, then run it through ChatGPT to see which websites it recommends.

Est. people asking / mo
5.1K
CPC
$0.42
Total est. value / mo
$132
Common ways people ask this (14)
  • What is the best API testing tool for beginners?
  • What is the best API testing tool for teams?
  • What is the best API testing tool for individual developers?
  • What is the best API testing tool for automation?
  • What is the best API testing tool for manual testing?
  • What is the best API testing tool for REST APIs?
  • What is the best API testing tool for GraphQL APIs?
  • What is the best API testing tool for SOAP APIs?
  • What is the best API testing tool for CI/CD pipelines?
  • What is the best API testing tool for performance testing?
  • What is the best API testing tool for security testing?
  • What is the best API testing tool for debugging?
  • What is the best API testing tool for budget users?
  • What is the best API testing tool for enterprise use?

What ChatGPT actually answered

One of the 5 times we asked ChatGPT this, verbatim. The leaderboard below aggregates all 5 runs.

Websites ChatGPT recommends for this prompt

Aggregated across 5 runs (min 2/5 appearances). Estimated visits split the prompt's demand by rank. Sites matching the prompt's own brand are marked branded and excluded from the leaderboard.

RankWebsiteAppearsEst. visits / moEst. value / mo
1 postman.com 5/5 101 $42
2 swagger.io 5/5 61 $25
3 smartbear.com 5/5 41 $17
4 katalon.com 5/5 28 $11
5 insomnia.rest 5/5 20 $8
6 rapidapi.com 3/5 15 $6
7 rest-assured.io 4/5 11 $4
8 soapui.org 4/5 9 $3
9 hoppscotch.io 3/5 7 $2
10 beeceptor.com 3/5 5 $2
11 assertible.com 3/5 4 $1
12 cypress.io 3/5 3 $1
13 reqres.in 2/5 3 $1
14 apigee.com 2/5 2 $0
15 playwright.dev 2/5 2 $0
16 testim.io 2/5 1 $0
17 requests.readthedocs.io 2/5 1 $0
18 pytest.org 3/5 1 $0
19 pact.io 3/5 1 $0
20 runscope.com 2/5 1 $0
How is this estimated?

ChatGPT doesn't publish prompts, so we don't show logged conversations. We measure real demand for this topic from Google search volume, scale it to ChatGPT's user base (on average about 1 ChatGPT user for every 8 Google searchers, a ratio that varies by topic), and run the prompt through ChatGPT 5 times to record which websites it recommends and in what order. Estimated visits split that demand across the recommended sites by a click-through-by-rank curve. Every number is a modeled estimate, not measured analytics. Full methodology →