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hseligson
HubSpot Employee
HubSpot Employee
Member since ‎Jul 19, 2022
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Hannah Seligson

As a Sr Developer Advocate at HubSpot, I focus primarily on HubSpot's CRM and public APIs.

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hseligson on February 27, 2026
February 2026 Developer Rollup
In February, HubSpot introduced a set of updates focused on improving developer visibility, extensibility, and platform flexibility. From enhanced OAuth install logging and Custom Events for Pro customers to deeper CRM associations and UI extension read more
Reply Discussion Announcement
1 upvote
1 Reply
hseligson on January 27, 2026
New OAuth v3 API Endpoints and Standardized Error Responses
We are enhancing the security and compliance standards of our Developer Platform with the release of OAuth v3 API endpoints and updated error response formatting. What's Changing? New Oauth v3 Token Endpoints To align with OAuth 2.0 read more
Reply Discussion Announcement
1 upvote
0 Reply
hseligson on January 12, 2026
December 2025 Developer API Rollup
Happy New Year, everyone! 🎉 In December, several important API updates were announced that developers should be aware of across security, CRM, commerce, and platform tooling. Highlights include a new public IP Ranges API for dynamically managin read more
Reply Discussion API
2 upvotes
0 Reply
hseligson
HubSpot Employee
December 17, 2025
Reply to Deprecating Support for Classic/Legacy CRM Cards
Hi everyone, To support developers migrating from Classic CRM Cards to the new App Cards, we’ve released the Legacy CRM Card Converter, a ligh...read more
hseligson on December 10, 2025
We Want Your Feedback: Take Our Developer Experience Survey for HubSpot APIs & Postman!
HubSpot/Postman survey header We're excited to announce that we’re launching a brief Developer Experience Survey focused on how you use the HubSpot Public API Workspace on Postman . Your insights are incredibly important to us—they wil read more
Reply Discussion Announcement API
3 upvotes
0 Reply
hseligson on December 08, 2025
November 2025 API Rollup on Postman
As we close out 2025, HubSpot is delivering a wide-ranging set of platform and API improvements designed to strengthen data consistency, improve developer tooling, expand CRM object capabilities, and increase visibility into system behavior. This m read more
Reply Discussion Announcement
2 upvotes
0 Reply
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