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OpenAPI Specification

openapi: 3.2.0
info:
  title: Apache Atlas REST Discovery Types API
  description: The Apache Atlas REST API provides endpoints for managing metadata entities, type definitions, data lineage, search and discovery, business glossary, and relationships. It enables programmatic metadata management and data governance operations for enterprise data ecosystems.
  version: 2.3.0
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
  contact:
    name: Apache Atlas Community
    url: https://atlas.apache.org/
  x-generated-from: documentation
  x-last-validated: '2026-04-19'
servers:
- url: http://localhost:21000/api/atlas
  description: Default local Apache Atlas server
tags:
- name: Types
  description: Manage type definitions including entity types, classifications, and relationships.
paths:
  /v2/types/typedefs:
    get:
      operationId: getAllTypeDefs
      summary: Apache Atlas Get All Type Definitions
      description: Retrieve all type definitions including entity types, classification types, and relationship types.
      tags:
      - Types
      parameters:
      - name: type
        in: query
        required: false
        description: Filter by type category (CLASSIFICATION, ENTITY, ENUM, RELATIONSHIP, STRUCT, BUSINESS_METADATA).
        schema:
          type: string
          example: ENTITY
      responses:
        '200':
          description: Type definitions retrieved successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AtlasTypesDef'
              examples:
                GetAllTypeDefs200Example:
                  summary: Default getAllTypeDefs 200 response
                  x-microcks-default: true
                  value:
                    entityDefs:
                    - name: DataSet
                      superTypes:
                      - Asset
                      serviceType: hadoop
                    classificationDefs: []
                    enumDefs: []
        '401':
          description: Authentication required.
      security:
      - basicAuth: []
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: createTypeDefs
      summary: Apache Atlas Create Type Definitions
      description: Create new type definitions for entity types, classification types, relationships, and enumerations.
      tags:
      - Types
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AtlasTypesDef'
      responses:
        '200':
          description: Type definitions created successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AtlasTypesDef'
              examples:
                CreateTypeDefs200Example:
                  summary: Default createTypeDefs 200 response
                  x-microcks-default: true
                  value:
                    entityDefs:
                    - name: MyCustomDataSet
                      superTypes:
                      - DataSet
        '400':
          description: Invalid type definition.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AtlasErrorResponse'
      security:
      - basicAuth: []
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    AtlasTypesDef:
      title: AtlasTypesDef
      description: Collection of all type definitions in Apache Atlas.
      type: object
      properties:
        entityDefs:
          type: array
          items:
            type: object
          description: Entity type definitions.
        classificationDefs:
          type: array
          items:
            type: object
          description: Classification type definitions.
        enumDefs:
          type: array
          items:
            type: object
          description: Enumeration type definitions.
        relationshipDefs:
          type: array
          items:
            type: object
          description: Relationship type definitions.
        businessMetadataDefs:
          type: array
          items:
            type: object
          description: Business metadata type definitions.
    AtlasErrorResponse:
      title: AtlasErrorResponse
      description: Error response from the Apache Atlas REST API.
      type: object
      properties:
        requestId:
          type: string
          description: Unique request identifier for tracing.
          example: req-123456
        errorCode:
          type: string
          description: Atlas error code.
          example: ATLAS-400-00-004
        errorMessage:
          type: string
          description: Human-readable error message.
          example: Entity not found for GUID
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic authentication with Atlas admin credentials.