> For the complete documentation index, see [llms.txt](https://adagio-io.gitbook.io/adagio-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://adagio-io.gitbook.io/adagio-documentation/openrtb-s2s-endpoint/supported-extensions.md).

# Supported Extensions

Adagio supports multiple OpenRTB extensions designed to maximize the effectiveness of your integrations. Explore them to improve monetization on Web and/or App.

<table><thead><tr><th width="255.484375">OpenRTB extension</th><th width="178.390625">Supported Platform<select multiple><option value="ENFts5nbVfEK" label="Web" color="blue"></option><option value="phww0dUdpIOA" label="App" color="blue"></option></select></th><th>Description</th></tr></thead><tbody><tr><td><a data-mention href="/adagio-documentation/openrtb-s2s-endpoint/supported-extensions/external-ids-eids.md">External IDs (EIDs)</a></td><td><span data-option="ENFts5nbVfEK">Web, </span><span data-option="phww0dUdpIOA">App</span></td><td>Share user identifiers across partners</td></tr><tr><td><a data-mention href="/adagio-documentation/openrtb-s2s-endpoint/supported-extensions/open-measurement-omid.md">Open Measurement (OMID)</a></td><td><span data-option="ENFts5nbVfEK">Web, </span><span data-option="phww0dUdpIOA">App</span></td><td>Track viewability and verification consistently</td></tr><tr><td><a data-mention href="/adagio-documentation/openrtb-s2s-endpoint/supported-extensions/skadnetwork-for-ios-apps.md">SKAdNetwork (SKAN) for iOS Apps</a></td><td><span data-option="phww0dUdpIOA">App</span></td><td>Measure iOS app campaigns while respecting user privacy</td></tr><tr><td><a data-mention href="/adagio-documentation/openrtb-s2s-endpoint/supported-extensions/rewarded-ads.md">Rewarded Ads</a></td><td><span data-option="phww0dUdpIOA">App</span></td><td>Enable incentivized ad experiences in apps.</td></tr></tbody></table>


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