openapi: 3.0.3
info:
  title: Alation Data Catalog Aggregated Context Columns API
  description: REST API for managing data sources, schemas, tables, and catalog objects in the Alation data intelligence platform. Supports metadata retrieval, custom field updates, and catalog object management.
  version: 1.0.0
  contact:
    name: Alation Developer Support
    url: https://developer.alation.com
servers:
- url: https://{instance}/integration/v2
  description: Alation instance
  variables:
    instance:
      default: your-alation-instance.com
      description: Your Alation instance hostname
security:
- BearerToken: []
tags:
- name: Columns
  description: Retrieve column metadata
paths:
  /attribute/:
    get:
      operationId: listColumns
      summary: List columns
      description: Returns columns for a given table.
      tags:
      - Columns
      parameters:
      - name: table_id
        in: query
        required: true
        description: Table ID to filter columns
        schema:
          type: integer
      - name: limit
        in: query
        schema:
          type: integer
          default: 100
      - name: skip
        in: query
        schema:
          type: integer
          default: 0
      responses:
        '200':
          description: List of columns
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ColumnList'
components:
  schemas:
    Column:
      type: object
      properties:
        id:
          type: integer
        name:
          type: string
        title:
          type: string
        description:
          type: string
        data_type:
          type: string
        table_id:
          type: integer
        ds_id:
          type: integer
        is_nullable:
          type: boolean
        is_primary_key:
          type: boolean
    ColumnList:
      type: array
      items:
        $ref: '#/components/schemas/Column'
  securitySchemes:
    BearerToken:
      type: http
      scheme: bearer
      description: API access token obtained from /integration/v1/createRefreshToken/