The Documentation isn't mentioning the /delta endpoints on the metered API reference page, nor mentioning metering or pricing on the delta page, so is it metered/priced or not? E.g. GET /users/{id | user-principal-name}/chats/getAllMessages/delta

Hello Jan-Paul Bultmann , Thank you for reaching out to Microsoft Support! According to the documentation , the endpoint is not in a list of metered APIs and services in Microsoft Graph, so the endpoint is not billed by traffic. Hope this helps. If the answer is helpful, please click Accept Answer and kindly upvote it. If you have any further questions about this answer, please click Comment .

Are `/delta` endpoints in the Microsoft Graph API part of the metered API?

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Yakun Huang-MSFT 6,725 Reputation points Microsoft Vendor

2024-10-11T02:39:59.84+00:00

Hello Jan-Paul Bultmann,

Thank you for reaching out to Microsoft Support!

According to the documentation, the endpoint is not in a list of metered APIs and services in Microsoft Graph, so the endpoint is not billed by traffic.

Hope this helps.

If the answer is helpful, please click Accept Answer and kindly upvote it. If you have any further questions about this answer, please click Comment.
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1 person found this answer helpful.
Jan-Paul Bultmann 20 Reputation points

2024-10-11T11:10:04.33+00:00

So glad to hear!

It seems fair that the retrieval of messages from archive storage, e.g. tape backups, incurs a per message cost, but that the hot data from the last 8 months is covered by the service fees we already pay. So I am very happy with this outcome 😊!

Especially because this would have seemed to be at odds with the polling nature of /delta queries (it would cost 65$ per day, just to refresh a delta query every second, even with no messages delivered, which would have killed our "internal AI assistant that gets embedded into workgroups just like any other employee"-project in it's infancy).

(Just writing this down, in case some future MBA thinks about making /delta a metered API. - Don't, it'll make the service unusable.)
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Are `/delta` endpoints in the Microsoft Graph API part of the metered API?

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