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Top 11 developer tools · quality engineering that work with Gitlab

Postman is the highest-ranked provider in the Top 11 The 11 Best API Testing Tools (2026) that integrates with Gitlab.

Why this answer

Filtered to entries that publicly document a Gitlab integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.

Showing all 3 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))

    9.2/9.4

    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))

    8.8/9.4

    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))

    8.6/9.4

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

    Full Insomnia review · Alternatives

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