Deletes a custom attribute associated with a merchant.
Open in API Reference
The ID of the target merchant.
A string that contains no characters. In an API request this value will appear as ''. Can be used to remove a field’s value.
The key of the custom attribute to delete. This key must match the key of a custom
attribute definition in the Square seller account. If the requesting application is not the
definition owner, you must use the qualified key.
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