Ad inspector is an in-app overlay that lets you perform real-time analysis of
test ad requests directly within a mobile app. For a list of ad inspector
features, see
Test your app with ad inspector.
[null,null,["Last updated 2025-04-23 UTC."],[[["Ad inspector is an in-app overlay that lets authorized devices analyze test ad requests in real time within a mobile app, included with Google Mobile Ads SDK version 20.0.0 and higher."],["It enables inspection of ad units, third-party adapters, mediation waterfalls, and bidding details, helping identify and resolve ad serving issues."],["Launching ad inspector can be done through gestures configured in AdMob, programmatically using the provided API, or from the debug menu."],["Single ad source testing allows developers to isolate and verify individual ad sources for bidding or waterfall mediation."],["Advanced debugging features include sharing ad requests and responses, decoding third-party bidding parameters, and copying entire debugging outputs in JSON format."]]],["Ad Inspector, an in-app tool for authorized devices, analyzes test ad requests. Key actions include inspecting ad units, third-party adapters, validating ad fills, identifying errors, and viewing mediation/bidding details. Users launch it via gestures, API, or debug menu. It facilitates ad source testing, waterfall/bidding configuration verification, custom event integration, and privacy signal viewing. Ad testing involves direct requests and single ad source focus. Troubleshooting includes managing gestures, bidding, adapters and custom events, by viewing error logs.\n"]]