> ## Documentation Index
> Fetch the complete documentation index at: https://docs.matia.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Tag Relation



## OpenAPI

````yaml POST /tags/{id}/relation
openapi: 3.0.1
info:
  title: OpenAPI Matia
  description: Matia API using the OpenAPI specification
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.matia.io/v1
security:
  - ApiKeyAuth: []
paths:
  /tags/{id}/relation:
    post:
      summary: Create a relation between a tag and a resource
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AssignTagRequest'
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AssignTagApiResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    AssignTagRequest:
      type: object
      properties:
        resourceId:
          type: string
          description: The ID of tagged resource
        resourceType:
          type: string
          description: 'Type of tagged resource: Integration, DataAsset, Monitor'
        taggedBy:
          type: string
          description: The ID of the user
      required:
        - resourceId
        - resourceType
        - taggedBy
    AssignTagApiResponse:
      type: object
      properties:
        code:
          type: string
        message:
          type: string
    Error:
      required:
        - error
        - message
      type: object
      properties:
        code:
          type: string
        message:
          type: string
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````