June 17, 2026

Inventory item instances are now available in the Public API.

Features

API

• Lab
  • Lab payloads now include uses_instances (temporary field to help integrations detect whether a lab has been migrated to instances)
• Inventory Item
  • Inventory item payloads now include an instances array
  • Nested lab objects on inventory item responses now include uses_instances
  • New: Update inventory item instance quantity (PUT /inventory-items/{itemId}/instances/{itemInstanceId})
  • Update inventory item quantity (PUT /inventory-items/{id}) is deprecated in favor of the instance endpoint

Guides

• Migrating to Inventory Item Instances