New API Limits for Dynamics 365 will be enforced soon. Below is a link to help you to understand these limits. But the key informatio is that "Yes, all existing customers will have a transition period until October
1, 2020 or the expiration of their current subscription term, whichever
is longer.". So please make sure you dont miss this information.
https://docs.microsoft.com/en-gb/power-platform/admin/api-request-limits-allocations
https://docs.microsoft.com/en-gb/power-platform/admin/api-request-limits-allocations
