How to access Planner Premium data (Dependencies, Resources, Dates, Custom Fields) using Microsoft Graph API or any REST API?

Question

I’m working with Microsoft Planner Premium (the new unified Planner experience) and need to access project data through an API.

I’m trying to get details such as:

Task dependencies (Depends on, Depends after)
Resources / assignments
Task dates (Actual , Forecasted)
Custom fields created in Planner Premium

From what I’ve checked, the Microsoft Graph API for Planner only covers the older Planner features — like plans, buckets, and tasks. It doesn’t seem to include the new data used in Planner Premium .

My questions are:

Can data like dependencies, resources, and custom fields from Planner Premium be accessed using Microsoft Graph API?
If not, is there any other REST API that supports this data?
Are there any official Microsoft documentation links or API endpoint references for this?

martinm · Accepted Answer · 2025-10-29 12:22:32Z

0

Planner Premium uses Project schedule APIs. The official documentation is here:

https://learn.microsoft.com/en-us/dynamics365/project-operations/project-management/schedule-api-preview

But I'm not familiar with that APIs.

answered Oct 29 at 12:22

martinm

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