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

# Bulk create subscribers

> Creates one or more subscriber records. Adds to subscription list if specified, otherwise adds to all contacts.



## OpenAPI

````yaml openapi2 POST /subscribers_bulk_create
openapi: 3.0.3
info:
  title: Paubox Marketing API
  description: >
    Public documentation Paubox Marketing API. 


    All Paubox Marketing customers have access to the Paubox Marketing API to
    automate various tasks.


    ## Authentication

    Use the authorization header in requests with the format: `authorization:
    Token token=<API_KEY>`


    Replace `<API_KEY>` with your API key. Find your API key in the address bar
    from the email builder (note: each API Key is displayed only once upon
    creation).


    ## Base URL

    The base URL includes your username:
    `https://api.paubox.net/v1/orca/<USERNAME>`


    Replace `<USERNAME>` with your API endpoint username.
  contact:
    name: Paubox Support
    url: https://www.paubox.com
  version: 1.0.0
servers:
  - url: https://api.paubox.net/v1/orca/{username}
    description: Production server
    variables:
      username:
        description: Your API endpoint username
        default: YOUR_USERNAME
security:
  - TokenAuth: []
tags:
  - name: subscribers
    description: Subscriber management operations
  - name: analytics
    description: Campaign analytics and reporting operations
  - name: campaign_mailings
    description: Campaign mailing management and sending operations
  - name: drip_campaigns
    description: Drip campaign management and automation operations
  - name: subscription_lists
    description: Subscription list management operations
  - name: tracking_links
    description: Tracking link analytics and data operations
paths:
  /subscribers_bulk_create:
    post:
      tags:
        - subscribers
      summary: Bulk create subscribers
      description: >-
        Creates one or more subscriber records. Adds to subscription list if
        specified, otherwise adds to all contacts.
      operationId: bulkCreateSubscribers
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BulkCreateSubscribersRequest'
        required: true
      responses:
        '200':
          description: Subscribers created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BulkCreateResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/UnprocessableEntity'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  schemas:
    BulkCreateSubscribersRequest:
      type: object
      properties:
        subscribers:
          type: array
          description: Array of subscribers to create
          items:
            $ref: '#/components/schemas/BulkCreateSubscribersRequest_subscribers'
        subscription_list_id:
          type: string
          description: Optional subscription list ID
    BulkCreateResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/BulkCreateResponse_data'
    BulkCreateSubscribersRequest_subscribers:
      required:
        - email
      type: object
      properties:
        email:
          type: string
          description: Subscriber's email address (required)
          format: email
        first_name:
          type: string
          description: Subscriber's first name
        last_name:
          type: string
          description: Subscriber's last name
        custom_fields:
          type: array
          description: Optional custom fields (unlimited)
          items:
            type: object
            additionalProperties:
              type: string
    BulkCreateResponse_data:
      type: object
      properties:
        num_subscribers_added:
          type: integer
          description: Number of subscribers successfully added
    Error:
      type: object
      properties:
        error:
          type: string
          description: Error message
        code:
          type: string
          description: Error code
        details:
          type: object
          description: Additional error details
  responses:
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    UnprocessableEntity:
      description: Unprocessable entity
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    InternalServerError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    TokenAuth:
      type: apiKey
      description: >-
        Token-based authentication. Use format: "Token token=<API_KEY>" where
        <API_KEY> is your API key
      name: authorization
      in: header

````