Things to consider

These things have to be considered when building automations or applications which use the Microsoft Graph API. 

Graph API limitations

This list documents the limitations of the Microsoft Graph API. The full limitations of the Microsoft Graph API can be seen here: Microsoft Graph service-specific throttling limits - Microsoft Graph | Microsoft Learn

Tokens are only valid for 1h. General maximal limit is 2000 requests per second. 500 requests per 10 seconds. 15000 requests per 3600 seconds. 10,000 calls per month and 100 concurrent calls. 2000 meetings per user each month.
1500 presence requests per 30 second, per application per tenant