100 requests/10 seconds and 250,000 requests/day for Free and Starter accounts*
100 requests/10 seconds and 500,000 requests/day for Professional and Enterprise accounts*
The HubSpot API add-on raises the daily limit to 1,000,000 calls/day
The daily limits reset at midnight based on the time zone setting of the HubSpot account.
*Apps using OAuth are only subject to a limit of 100 requests every 10 seconds. Limits related to the API add-on do not apply.