How to call these Chrome built-in api?

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Macro Tech

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Oct 29, 2025, 4:25:04 PMOct 29
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I built an app and try to use buit-in summarize api, but failed. Have checked some doc, and chrome://on-device-internals/. shown " Foundational model state: Install Not Complete", Can I install the model manually?
Is there a clear instruction to show how to call these APIs? like how to set environment, how to write right call function (for example, use js)?
Thanks.

Thomas Steiner

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Oct 29, 2025, 4:44:58 PMOct 29
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Hi Marco,

Please find the official docs on our site. The table has links to all the APIs that you can use, including the Prompt API. If the model doesn't want to install, please see these troubleshooting steps.

Cheers,
Tom

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