Error Call Protected APIs

Question

I have submitted a registration form using Protected APIs, but have not received a response yet. Currently I am trying to call these APIs however the data returns an error message: "Requested API is not supported in delegated context".
Is it necessary to use bot token to call API?

GET https://graph.microsoft.com/v1.0/users/{id}/chats/getAllMessages
GET https://graph.microsoft.com/v1.0/teams/{id}/channels/getAllMessages

Answer 1

@MANH THANG VU -

1. Please note the below information related to protected API access -
2. Please note that channel: getAllMessages, chats: getAllMessages are supported only in application context. So you need to get a token and call the api.

Thanks,
Meghana

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Answer 2

@Meghana-MSFT
I use ngrok (https://3928-14-175-119-223.ngrok.io) to do redirect_uri but it doesn't work, can you recommend me some service to generate redirect_uri? Thank you!