Chapter 6 – Test Tools
Charles Proxy – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A commercial cross-platform HTTP proxy and monitor for inspecting network traffic.
In simple words
A GUI proxy for inspecting HTTP traffic during mobile and web testing.
Exam tip
Charles is popular in mobile QA for observing app-to-backend calls.
Related terms
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