Original Message:
Sent: 08/03/26 06:10 AM
From: David Boublil
Subject: Planning Analytics Workspace REST API in 2.1.21 and 3.1.8
Hi Stuart,
Thanks for all the information you provide.
I have a small question about the content of the book.
The view definition is encoded but I cannot figure how. I thought it was Base64 but the reverse is not what I expected.
Could you provide some help on this ?
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David Boublil
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Original Message:
Sent: 07/30/26 08:40 AM
From: STUART KING
Subject: Planning Analytics Workspace REST API in 2.1.21 and 3.1.8
Hi Vitalij,
The full book specification is returned by the GET. At some point in the future we will likely investigate more granular API endpoints to investigate, interact with, and modify books. However, this is not on our roadmap for 2026.
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Stuart King
Product Manager
IBM Planning Analytics
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Original Message:
Sent: 07/30/26 02:51 AM
From: Vitalij Rusakovskij
Subject: Planning Analytics Workspace REST API in 2.1.21 and 3.1.8
Hi Stuart,
thanks a lot for the continuous updates and the Postman collection – very helpful!
Quick question regarding the Content endpoints (Books / Applications):
Does GET Get asset content by asset ID already return the full internal structure of a Book in a usable way (sheets, widgets, action buttons with their settings, parameters, synchronizations, etc.)?
Or is deeper introspection / programmatic creation and modification of the internal Book content still planned for a later release?
This would be extremely useful for automation scenarios.
Thanks in advance!
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Vitalij Rusakovskij
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Original Message:
Sent: 07/29/26 02:57 PM
From: STUART KING
Subject: Planning Analytics Workspace REST API in 2.1.21 and 3.1.8
Hi Daniel,
The September update (2.1.24 for Planning Analytics on Cloud, 3.1.11 for PA SaaS) will include a number of new PAW REST API endpoints. I'll update the Postman collection with the list of upcoming endpoints. I can confirm we are adding supported endpoints for users, groups, and database management. This will include options that mirror the buttons in PAA database details.
Here is a bit of a sneak peak.

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Stuart King
Product Manager
IBM Planning Analytics
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Original Message:
Sent: 07/27/26 10:52 AM
From: Daniel Corbellini
Subject: Planning Analytics Workspace REST API in 2.1.21 and 3.1.8
Hi Stuart, thank you for sharing the Postman collection, it has been very helpful while exploring the new PAW REST API.
After filling in the required variables, I was able to get the other endpoints working as expected. However, I noticed that the Start TM1 Database and Stop TM1 Database requests consistently return 404 Not Found in my environment. Are these endpoints not yet available in the current releases, or is there a different URL or approach that should be used for these operations?
Thanks in advance!
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Daniel Corbellini
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