Top 11AI made for AI

The 11 best developer tools · quality engineering under $100/mo

The best provider in the Top 11 The 11 Best API Testing Tools (2026) priced under $100/mo is Postman.

Why this answer

Filtered to entries whose published ceiling price (max published price band) is at or below $100/mo. Sorted cheapest first.

Showing all 9 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best API Testing Tools (2026).

  1. #1Postman(rank #1 in The 11 Best API Testing Tools (2026))

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    The most complete option for teams that need authoring, automation, and CI in one place.

    Full Postman review · Compare: Postman vs Bruno · Alternatives

  2. #2Bruno(rank #2 in The 11 Best API Testing Tools (2026))

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    The git-first choice that keeps API tests in your repo, not a vendor cloud.

    Full Bruno review · Alternatives

  3. #3Insomnia(rank #3 in The 11 Best API Testing Tools (2026))

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    A clean, fast client with excellent GraphQL and gRPC handling.

    Full Insomnia review · Alternatives

  4. #4Apidog(rank #4 in The 11 Best API Testing Tools (2026))

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    An all-in-one that folds design, mocking, and testing together.

    Full Apidog review · Alternatives

  5. #5SoapUI(rank #5 in The 11 Best API Testing Tools (2026))

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    The default when SOAP and legacy enterprise services are in scope.

    Full SoapUI review · Alternatives

  6. #6Testsigma(rank #7 in The 11 Best API Testing Tools (2026))

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    Plain-English test authoring with an open-source edition.

    Full Testsigma review · Alternatives

  7. #7Hoppscotch(rank #8 in The 11 Best API Testing Tools (2026))

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    The instant-loading, self-hostable open-source client.

    Full Hoppscotch review · Alternatives

  8. #8Karate(rank #9 in The 11 Best API Testing Tools (2026))

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    One readable syntax for API, contract, and load tests in code.

    Full Karate review · Alternatives

  9. #9Keploy(rank #11 in The 11 Best API Testing Tools (2026))

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    Turns recorded traffic into tests and mocks automatically.

    Full Keploy review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .