APIs & Integrations

HubSpot Alumni
HubSpot Alumni

CRM API v3 is now available for general use

In January, we released a new collection of our v3 APIs into developer preview. Since then, many of you have worked with these new CRM APIs, and have provided valuable feedback and ideas for continual improvements. 


Thank you. Your feedback has helped us refine our functionality, and today, we're releasing these APIs into General Availability. These APIs are considered stable and available for anyone to use for development.

Part of our ongoing effort to create the next generation of HubSpot's APIs that improve developer experience, this CRM API v3 was designed from the ground up with consistency and usability in mind. Keep an eye out for additional v3 APIs to be released in the weeks ahead. 


You can read about these new CRM APIs on our redesigned developer documentation site.



CRM Search:


  • Search functionality is limited to one request per second
  • "engagements", including "tasks", "calls", "emails", and "notes" aren't supported in Search


Coming Soon

  • This release does not contain v3 support for the Engagements and Contact Lists endpoints - please use the existing endpoints. Those v2 endpoints can continue to be used in conjunction with the new v3 endpoints.
  • Secondary Identifiers - we’ll be adding this shortly—hang tight.

Please provide any feedback or questions about these new APIs in the thread below.

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