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    Which tools are used for API?

    Asked "Which tools are used for API?", ChatGPT, Copilot, Gemini, Google AI Mode and Perplexity named 63 distinct tools across 15 answers on September 7, 2026, and 33 of them in two or more answers, and all 5 engines agreed on Postman, the only tool every engine named.

    Measured acrossChatGPTCopilotGeminiGoogle AI ModePerplexity

    33 of 63 names confirmed · named in 2 or more of 15 answers · asked September 7, 2026 · 5 engines

    API tools are used for designing, testing, debugging, documenting, and monitoring APIs, and they include tools such as Postman, Swagger, and Insomnia for API development and testing, as well as tools like Kong and Apigee for API gateway and management.

    38 more names were ranked on this question.
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    The full measurement

    • The position each of the 5 engines gave all 63 names.
    • How many of the 15 answers named each of them.
    • 227 sampled observations behind this ranking, and where the engines disagree.
    • Fan-out — the query each engine actually searched.
    • Every citation, and the sources nobody cited.
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