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

# Verify Bulk Emails

> Upload a CSV or TXT file containing a list of email addresses for bulk verification. Returns a `file_id` to track the processing status via `/verify/bulk/status`. Consumes credits based on the number of emails in the file. Max file size is 25MB.



## OpenAPI

````yaml POST /verify/bulk
openapi: 3.1.0
info:
  title: Deliverable Docs API
  description: API for email verification and task status.
  license:
    name: MIT
  version: 1.0.0
servers:
  - url: https://api.deliverable.co/gateway
security:
  - apiKeyAuth: []
paths:
  /verify/bulk:
    post:
      summary: Verify Bulk Emails
      description: >-
        Upload a CSV or TXT file containing a list of email addresses for bulk
        verification. Returns a `file_id` to track the processing status via
        `/verify/bulk/status`. Consumes credits based on the number of emails in
        the file. Max file size is 25MB.
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              $ref: '#/components/schemas/VerifyBulkEmailRequest'
      responses:
        '200':
          description: File uploaded and queued for processing
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VerifyBulkEmailResponse'
        '400':
          description: Bad request — invalid file format, missing file, or invalid headers
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Invalid API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '402':
          description: Insufficient credits, subscription expired, or payment required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '413':
          description: File size exceeds 25MB limit
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limit exceeded
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    VerifyBulkEmailRequest:
      type: object
      required:
        - file
        - fileName
      properties:
        file:
          type: string
          format: binary
          description: >-
            CSV or TXT file containing one email address per line. Max size:
            25MB.
        fileName:
          type: string
          description: Name to identify this file upload
          example: my-email-list
        mode:
          type: string
          format: enum
          description: >-
            The mode to verify the email addresses, by default it is set to
            catch_all
          enum:
            - catch_all
            - non_catch_all
          example: catch_all
    VerifyBulkEmailResponse:
      type: object
      properties:
        message:
          allOf:
            - $ref: '#/components/schemas/MessageEnvelope'
            - properties:
                description:
                  example: Email added to queue successfully
        data:
          type: object
          properties:
            file_id:
              type: string
              description: Use this ID with /verify/bulk/status to track processing
              example: file_abc123xyz
    Error:
      type: object
      properties:
        error:
          type: integer
          format: int32
          example: 400
        message:
          type: string
          example: Invalid request body
    MessageEnvelope:
      type: object
      properties:
        status:
          type: string
          example: success
        statusCode:
          type: integer
          example: 200
        description:
          type: string
          example: Operation completed successfully
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: API key for authentication. Pass your API key in the x-api-key header.

````