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21 January 2027
Graph API version 21.0 expires
Who is affected
Stores whose Conversions API integration calls v21.0
What it changes
Uploads on that version stop being accepted and conversions reported to Meta halt until the integration is updated.
What to do
Meta's API versions expire in steps. An integration that has not been updated stops sending your events without warning, and it is the app publisher who has to ship the update.
Official source
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