# Add tag to contact

**POST** `/contacts/{contactId}/tags/{tagId}`

Adds a label to the contact for segmentation, routing, or reporting.

Authentication: bearerAuth
Required scopes: `contact:update`
Allowed roles: `owner`, `admin`, `agent`
Authorization: Tag a contact in scope.

## Parameters

- `contactId` (path string, required)
- `tagId` (path string, required)

## Responses

- `204`: Tag added
- `default`: Error