Merge a previous identifier into a user
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Merge a previous identifier into a user
with Customer.io · Customer Data Management
Use Customer.io: its Pipelines Alias API lets you merge a previous identifier into a user in a single step (POST /alias). capabilities.work can help you get signed up and connected.
- How do I link an anonymous visitor's old ID to their new user ID for destinations like Mixpanel?
- When do I need the alias call to reconcile identifiers across systems?
Say it to your AI assistant
- Alias previous ID {previousId} to user {userId}.
- Send an alias call so {previousId} is reconciled with {userId} downstream.
For your developer
POST /alias in Pipelines Alias API. Full spec on APIs.io.