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API RequestsAPI SchemaContacts

Remove Contact Custom Attribute

DELETE/v1/contacts/{contact_id}/custom-attributes/{custom_attribute_key}

Removes a specific custom attribute from a contact by its key. This permanently deletes the value but not the custom attribute definition. Requires contact:write scope.

Authorization

BearerAuth
AuthorizationBearer <token>

In: header

Path Parameters

contact_id*string

The unique identifier (UUID) of the contact.

Formatuuid
custom_attribute_key*string

The key of the custom attribute to remove (case-sensitive).

Response Body

application/json

application/json

application/json

curl -X DELETE "https://example.com/v1/contacts/550e8400-e29b-41d4-a716-446655440000/custom-attributes/company"
Empty