APIs by tier - HubSpot docs

HubSpot API availability varies by product (Marketing Hub, Sales Hub, etc.) and subscription tier (Free, Starter, Professional, Enterprise). Use the table below to check which APIs you can access based on your current subscription. Rate limits also differ by tier — learn more in the API usage guidelines.

API usage guidelines and limits: rate limits, daily usage limits, and handling 429 rate limit errors.
Account types: learn about HubSpot account types and their tier access, including developer test accounts and sandboxes.
Retrieve private app daily API usage: check your app’s API usage programmatically.
HubSpot Product and Services Catalog — Technical Limits: official per-feature limits by product and tier, such as workflow counts, custom properties, email send limits, and more.

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