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Is there a public specification for the NFC part of the new-for-2020 App Clip? Is it just an External NDEF record? I'm asking as someone who is responsible for encoding NFC and RFID chips, not as an app developer.

Larry Martin
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    NDEF URI records are all that's needed, afaik. App Clip URLs can also be shared as plain text URLs or via QR Codes, so there's no special magic there. – Gereon Nov 23 '20 at 20:46
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    Best documentation I am aware of: [WWDC 2020 video](https://developer.apple.com/videos/play/wwdc2020/10146/). At about 9:20 the URL for NFC is mentioned. – Codo Nov 23 '20 at 21:01

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As @Gereon said they are just URL's and for NFC they would be URI records and the NFC specification for URI's is available at https://github.com/haldean/ndef/blob/master/docs/NFCForum-TS-RTD_URI_1.0.pdf

Andrew
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