You can use this API to update items with new attribute values. Attributes must adhere to the data type defined and only 50 items are allowed to be updated in a single request.
Basic Authentication sends a Base64-encoded string containing your username and password.
You can obtain the username and password from the MoEngage Dashboard:
The unique identifier for the catalog, obtained during catalog creation.
An array of item updates. Each object must contain the item id and the attributes to update.
50OK. The update request was processed. The response body contains details on valid and invalid item counts.