HubSpot JSON Custom Cards (private app and project beta)

HubSpot JSON Custom Cards (private app and project beta) is tracked by BlackTree as a vendor-operated software service. Its lifecycle page separates release identity, maintenance and security boundaries using the publisher's registered source.

Evidence status

Shown dates are scoped to the release and support phase named in the source. They should not be applied to other editions or service packs.

The March 2024 sunset covered JSON custom cards built with private apps and projects; public apps including Marketplace Apps were not affected. Reviewed 14 Sep 2026.

Product overview

Main capabilities

Hosted product capabilities
Vendor-managed operation and updates
Version or feature retirement management

Typical use

Used through a hosted service, API or managed product interface.

Deployment

Operated by the publisher, with customer configuration and integrations where applicable.

Lifecycle records

Release	Boundary	Date
JSON Custom Cards private app and project beta	Existing JSON custom cards stop rendering	31 March 2024
Published lifecycle	Upcoming Sunset: JSON Custom Cards	Not dated by publisher

Official sources

MANUAL

HubSpot lifecycle discovery

Publisher reference registered; not automatically interpreted. A source link alone does not verify a lifecycle boundary.

Automatically registered from a structured publisher support matrix.

Open publisher source

REVIEWED CLAIM

HubSpot JSON Custom Cards (private app and project beta) official lifecycle source

The specific lifecycle boundary above was reviewed against this publisher statement.

Open publisher source

Package vulnerability advisories

No OSV advisories are currently linked to this product identity. This is not evidence that the product has no vulnerabilities.