CRM, marketing, sales, and service platform. Developer-facing API and platform changes.
HubSpot SDKs have been updated to support date-based API versioning using the new /YYYY-MM/ format. Generated from a centralized API specification, SDKs now cover more endpoints across multiple languages and release faster, keeping client libraries aligned with the underlying APIs.
HubSpot released monthly updates including enhancements to Breeze Assistant, a new useCrmSearch hook for UI extensions, stage calculated properties for custom objects, and improvements to HubSpot CLI, blog author attribution, and IP range webhooks.
HubSpot v4 APIs will move to an unsupported state on March 30, 2027, and will no longer receive updates, bug fixes, or stability guarantees after that date.
HubSpot is deprecating the legacy v1 OAuth API in favor of a new date-based, versioned OAuth API for token issuance and introspection. The v1 API will be fully deprecated on February 16th, 2027, and a new REVOKE endpoint is being introduced in the latest OAuth API version.
HubSpot updated requirements for listed and certified apps in the Marketplace to align with current platform standards and deprecations, ensuring app compatibility and providing customers with a more reliable and secure experience.
HubSpot shared its vision for an open ecosystem in the agent era and updated Developer Terms and Technology Partner Program Agreement to reflect how developers, customers, and agents are building on the platform today.
Monthly release rollup featuring updates from Spring Spotlight 2026, including availability of the legacy CRM card migration tool and new features for the Custom Channels API.
Beginning May 26, 2026, the ability to create new legacy public apps via the Developer Platform UI will be permanently disabled. New public app development should use the Projects-based app platform instead.
The hs_customer_agent_lead_status contact property is becoming system-managed and read-only, storing only Customer Agent-generated lead qualification status on contact records.
HubSpot announced the general availability of date-based versioned APIs and Developer Platform version 2026.03, establishing a more stable release cadence with two major releases per year in March and September, plus an 18-month support cycle for better release planning.