openapi: 3.1.0
info:
  title: Oracle Eloqua Bulk Account Exports Contact Fields API
  description: The Bulk API for Oracle Eloqua Marketing Cloud Service, designed for high-volume data operations including imports, exports, and synchronization of large datasets for contacts, accounts, activities, and custom objects.
  version: '2.0'
  contact:
    name: Oracle Support
    url: https://support.oracle.com/
  termsOfService: https://www.oracle.com/legal/terms.html
servers:
- url: https://secure.p01.eloqua.com/API/Bulk/2.0
  description: Eloqua Bulk API v2.0 (pod may vary per instance)
security:
- basicAuth: []
- oAuth2: []
tags:
- name: Contact Fields
  description: Retrieve available contact fields for mapping
paths:
  /contacts/fields:
    get:
      operationId: listContactFields
      summary: Oracle Eloqua List contact fields
      description: Retrieve all available contact fields for use in export and import field mappings.
      tags:
      - Contact Fields
      parameters:
      - $ref: '#/components/parameters/limit'
      - $ref: '#/components/parameters/offset'
      responses:
        '200':
          description: Successfully retrieved contact fields
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FieldList'
        '401':
          description: Unauthorized
components:
  schemas:
    FieldList:
      type: object
      properties:
        items:
          type: array
          items:
            $ref: '#/components/schemas/BulkField'
        totalResults:
          type: integer
        limit:
          type: integer
        offset:
          type: integer
        hasMore:
          type: boolean
    BulkField:
      type: object
      properties:
        uri:
          type: string
          description: URI of the field
        name:
          type: string
          description: Display name of the field
        internalName:
          type: string
          description: Internal name of the field
        dataType:
          type: string
          description: Data type of the field
        hasReadOnlyConstraint:
          type: boolean
          description: Whether the field is read-only
        hasNotNullConstraint:
          type: boolean
          description: Whether the field requires a value
        hasUniquenessConstraint:
          type: boolean
          description: Whether field values must be unique
        statement:
          type: string
          description: Eloqua Markup Language (EML) statement for the field (e.g., "{{Contact.Field(C_EmailAddress)}}")
  parameters:
    offset:
      name: offset
      in: query
      description: Starting index for pagination
      schema:
        type: integer
        minimum: 0
        default: 0
    limit:
      name: limit
      in: query
      description: Maximum number of records to return
      schema:
        type: integer
        minimum: 1
        maximum: 50000
        default: 1000
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic authentication using company\username and password in the format CompanyName\Username.
    oAuth2:
      type: oauth2
      description: OAuth 2.0 authorization code flow
      flows:
        authorizationCode:
          authorizationUrl: https://login.eloqua.com/auth/oauth2/authorize
          tokenUrl: https://login.eloqua.com/auth/oauth2/token
          scopes:
            full: Full access to all Eloqua resources
externalDocs:
  description: Oracle Eloqua Bulk API Documentation
  url: https://docs.oracle.com/en/cloud/saas/marketing/eloqua-rest-api/BulkAPI.html