# Upsert labels for an existing Email Inbox PUT /v3/email-inboxes/{emailInboxId}/labels Endpoint: PUT /v3/email-inboxes/{emailInboxId}/labels Security: API_Key ## Path parameters: - `emailInboxId` (integer, required) Unique identification number for email inbox ## Response 200 fields (application/json): - `id` (integer, required) Label identifier Example: 223 - `name` (string, required) ## Response 400 fields (application/json): - `timestamp` (string) - `message` (string) - `details` (string) - `validationReport` (object) ## Response 401 fields (application/json): - `timestamp` (string) - `message` (string) - `details` (string) - `validationReport` (object) ## Response 403 fields (application/json): - `timestamp` (string) - `message` (string) - `details` (string) - `validationReport` (object) ## Response 404 fields (application/json): - `timestamp` (string) - `message` (string) - `details` (string) - `validationReport` (object)