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Xandr: Unable to upload new creatives to Monetize

Xandr · appnexus.comImpact: noneResolved2026-08-31 08:37 UTC
Public — what happened

Summary

Products: Microsoft Monetize SSP, Bidder, SSP or Data Integration Components: API, UI, Creatives Impacted Clients: All Description: We are currently investigating an issue preventing the upload and creation of new creatives in Monetize through both the UI and API. Existing creatives remain available. We will provide updates as they become available. Status: Our engineering team is engaged and working on this issue with priority. We will continue to provide updates as we learn more.

Timeline

Source of record: provider status page. Mirrored as reported; times in UTC.

Independent path health

The status page is the symptom. SquidGrid measures the paths that reach Xandr against their own baselines — whether the routes carrying your traffic degraded, at which handoff, and who owns that stretch.

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