API changes in the May 2026 patch release

GET /learningObjects API enhancement

The GET /learningObjects API now includes a new startDate attribute in the learningObjectInstance resource when the instances relationship is included.

Endpoint
GET /learningObjects/{id}?include=instances

Change
A new field, startDate, has been added under:
included[].attributes.startDate

Description
startDate represents the scheduled start date and time of a learning object instance.

Example
https://learningmanagerstage1.adobe.com/primeapi/v2/learningObjects/course:13209797?include=instances
Sample response (truncated)

{
  "id": "course:13209797_16226533",
  "type": "learningObjectInstance",
  "attributes": {
    "dateCreated": "2026-05-20T04:35:46.000Z",
    "isAET": false,
    "isDefault": true,
    "isFlexible": false,
    "startDate": "2026-10-06T18:29:59.000Z",
    "state": "Active",
    "timeZoneCode": "IST"
  }
}

Notes