Getting Unknown error while accessing MS Graph API - microsoft-graph-api

I'm trying to get the chat messages from MS team channel using API.
https://graph.microsoft.com/v1.0/teams/{team-id}/channels/{channel-id}/messages
It works in graph explorer and returns the list of all chat messages. But when I hit the same API within Postman it return the following error:
I have consented all the required permission in azure app. What else am I missing here. Has anyone faced similar issues?
Please let me know.
{
"error": {
"code": "UnknownError",
"message": "",
"innerError": {
"date": "2021-04-20T04:01:46",
"request-id": "e32d3a2e-001c-4478-8c9c-8d5ff0c5e125",
"client-request-id": "e32d3a2e-001c-4478-8c9c-8d5ff0c5e125"
}
}
}

list channel messages is under protected API in MS teams. Before calling this API with application permissions, you must request access. To get the access you have to apply request access form

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When trying to make a request to the graph API endpoint for getting staff availability info on MS Bookings I keep receiving the below error which returns status code 500. I had followed the guide here and also decoded my access token and verified I had the right permissions.
{
"error": {
"code": "UnknownError",
"message": "",
"innerError": {
"date": "2022-07-25T08:21:46",
"request-id": "aa302590-9a6e-47a4-a5ac-51a12ef5e72e",
"client-request-id": "aa302590-9a6e-47a4-a5ac-51a12ef5e72e"
}
}
}
I also encountered the same error in graph explorer.
Well this seemed to work for me when I changed the timeZone value on the request payload from my local time zone to 'UTC'. So my request payload was changed as below
However same error persists on graph explorer - guessing its because application permissions are not currently supported on graph explorer

Microsoft Graph GetChat API returns forbidden error for some chats

The GetChat API (https://graph.microsoft.com/v1.0/chats/{chatid}) from Microsoft Graph returns error 403 (Forbidden) for some chats when using application permissions. The application being used has Chat.Read.All permissions with admin consent granted. Also, the same application returns success for other chats.
Following are errors for couple of requests to get chat, that were tried using Postman:
1:
{
"error": {
"code": "Forbidden",
"message": "Forbidden",
"innerError": {
"date": "2021-10-18T13:16:26",
"request-id": "79c2ca6f-5b85-44ed-a3da-ef3607630a41",
"client-request-id": "79c2ca6f-5b85-44ed-a3da-ef3607630a41"
}
}
}
2:
{
"error": {
"code": "Forbidden",
"message": "Forbidden",
"innerError": {
"date": "2021-10-18T13:18:37",
"request-id": "5cfd4f22-8c25-4ecf-aa88-0c0c3df560d4",
"client-request-id": "5cfd4f22-8c25-4ecf-aa88-0c0c3df560d4"
}
}
}
You could try couple of things here -
Try the same API call in Graph explorer and observe if you still see this error. This will help in identifying if there is any issue with the token that you have generated.
You may have changed your API permissions after giving your application admin consent. When you give admin consent, Azure AD will take a "snapshot" of the permissions at the time of consent. Then if you change the permissions later, you will need to re-do the admin consent process again.
Personal accounts are not supported. Refer permissions here.

Unable to read team channel messages using microsoft grap API

I am able to read channel messages as long as I am a member of a particular channel but I am unable to read channel messages in which I am not a member but I am a global administrator with following delegated permissions.Can anybody help?
ChannelMessage.Read.All, Group.Read.All, Group.ReadWrite.All
When I am trying to execute I am getting the following response
{
"error": {
"code": "Forbidden",
"message": "Forbidden",
"innerError": {
"date": "2020-09-10T04:37:36",
"request-id": "727d898d-ee3e-484d-b2b6-46582834ca9c",
"client-request-id": "727d898d-ee3e-484d-b2b6-46582834ca9c"
}
}
}
You'll need to use Application rather than Delegated permissions for this. When you're using Delegated permissions, you can only access Channels you are a member of (i.e. the same Channels you see in the Teams app).
Note that these are Protected APIs, so you'll need to request access before you can use them (above and beyond the normal Admin Consent flow).

Unknown Error when sending/replying to message on MS Teams using Graph API

I am trying to send a message or reply to a message using Graph APIs for MS Teams. I have the correct permissions set and also have access to Protected APIs (if thats a concern).
The APIs I use to send messages are for both channel and 1:1 chat message.
POST URL Request:
https://graph.microsoft.com/beta/chats/{chat-id}/messages/{message-id}/replies
https://graph.microsoft.com/beta/chats/{chat-id}/messages/
https://graph.microsoft.com/beta/users/{user-id}/chats/{chat-id}/messages/
https://graph.microsoft.com/beta/teams/{team-id}/channels/{channel-id}/messages/{message-id}/replies
https://graph.microsoft.com/beta/teams/{team-id}/channels/{channel-id}/messages
Permissions set are ChannelMessage.Send, Group.ReadWrite.All, ChatMessage.Send for both delegated and application level.
I use a 2-step process to authorize the client /authorize and then /adminconsent.
When trying to post message I always get "UnknownError" and empty message with 401 status code.
{
"error": {
"code": "UnknownError",
"message": "",
"innerError": {
"date": "2020-07-10T04:58:06",
"request-id": "ff58128b-585b-4242-99c4-011c8e537d94"
}
}
}
Is this some issue with my app or from MS graph side?
Issue was with the access token. Using app-only permissions to send message is not supported.
Ref: https://github.com/microsoftgraph/microsoft-graph-docs/issues/8998

Microsoft Graph SharePoint access items (read/write)

I am attempting to create a new list item in SharePoint Online using the [beta] Microsoft Graph endpoint. The goal is to call Microsoft Graph from an Outlook Add-in but the problem persists on Postman.
When I call the endpoint as per the documentation I get the following error message:
{
"error": {
"code": "unauthenticated",
"message": "The caller is not authenticated.",
"innerError": {
"request-id": "bb094f39-71c9-4c7d-9d9b-913cc9622baf",
"date": "2017-08-08T11:32:02"
}
}
}
I'm using ADAL JS to fetch the authentication token and I initialized my AuthenticationContext with my tenantID. My app has the following permissions: offline_access, Sites.Read.All, Sites.ReadWrite.All, User.Read
2nd Edit - more details on readItem
I use the https://graph.microsoft.com/beta/sites/{site-id}/lists/{list-id}/items endpoint with the {site-id} of my desired site from /sites and the {list-id} of the list from /sites/{site-id}/lists but this is the empty response I get:
{
"#odata.context": "https://graph.microsoft.com/...",
"value": []
}
If I try to to add /{item-id} to my original call to access specific item I receive this response:
{
"error": {
"code": "itemNotFound",
"message": "The specified list was not found",
"innerError": {
"request-id": "6e7ccae3-3aee-4dbb-ae3e-de61250478e0",
"date": "2017-08-09T13:13:33"
}
}
}
Which doesn't make sense because I can retrieve valid information about the list if i make the call without /items/..
Any and all input appreciated :) I'll gladly provide more code, this is all I deemed relevant and didn't want to overcrowd the post.
might be that you actually don't have an item with that id, since https://graph.microsoft.com/beta/sites/{site-id}/lists/{list-id}/items/1 works for me.
test the id's you really have by just https://graph.microsoft.com/beta/sites/{site-id}/lists/{list-id}/items and each item returns it's id.

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