> ## Documentation Index > Fetch the complete documentation index at: https://docs.coldsend.pro/llms.txt > Use this file to discover all available pages before exploring further. # Add multiple SMTP email accounts > **Bulk connect multiple email accounts via SMTP/IMAP** Add multiple email accounts in a single request (max 100). Each account must have valid SMTP/IMAP credentials. ## Important Notes - Maximum 100 inboxes per request - Connection validation runs in background - Returns immediately with a job_id for tracking - Poll the progress endpoint to check status ## Tracking Progress Use the returned `job_id` to track progress: ``` GET /api/public/v1/sender-accounts/smtp/bulk/{job_id}/progress ``` ## OpenAPI ````yaml /public_openapi.json post /api/public/v1/sender-accounts/smtp/bulk openapi: 3.0.3 info: title: ColdSend Public API description: >- Programmatic access to ColdSend for managing cold email campaigns and sender accounts. version: 1.0.0 contact: name: ColdSend Support email: support@coldsend.pro url: https://coldsend.pro servers: - url: https://api.coldsend.pro description: Production security: - ApiKeyAuth: [] paths: /api/public/v1/sender-accounts/smtp/bulk: post: tags: - Sender Accounts summary: Add multiple SMTP email accounts description: >- **Bulk connect multiple email accounts via SMTP/IMAP** Add multiple email accounts in a single request (max 100). Each account must have valid SMTP/IMAP credentials. ## Important Notes - Maximum 100 inboxes per request - Connection validation runs in background - Returns immediately with a job_id for tracking - Poll the progress endpoint to check status ## Tracking Progress Use the returned `job_id` to track progress: ``` GET /api/public/v1/sender-accounts/smtp/bulk/{job_id}/progress ``` operationId: create_smtp_inboxes_bulk_api_public_v1_sender_accounts_smtp_bulk_post requestBody: content: application/json: schema: $ref: '#/components/schemas/SMTPInboxBulkCreateRequest' required: true responses: '202': description: Bulk SMTP inbox creation initiated content: application/json: schema: $ref: '#/components/schemas/SMTPInboxBulkCreateResponse' '400': description: Invalid request data '401': description: Missing or invalid API key '403': description: Insufficient permissions - requires 'sender_accounts:write' scope '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' components: schemas: SMTPInboxBulkCreateRequest: properties: inboxes: items: $ref: '#/components/schemas/SMTPInboxBulkItem' type: array maxItems: 100 minItems: 1 title: Inboxes description: List of SMTP inboxes to create (max 100) type: object required: - inboxes title: SMTPInboxBulkCreateRequest description: Request for bulk creating SMTP inboxes. SMTPInboxBulkCreateResponse: properties: success: type: boolean title: Success message: type: string title: Message job_id: type: string nullable: true title: Job Id description: Job ID for tracking progress total: type: integer title: Total description: Total inboxes in request success_count: type: integer title: Success Count description: Number of successfully created inboxes failed_count: type: integer title: Failed Count description: Number of failed creations results: items: $ref: '#/components/schemas/SMTPInboxBulkResult' type: array title: Results description: Individual creation results default: [] type: object required: - success - message - total - success_count - failed_count title: SMTPInboxBulkCreateResponse description: Response for bulk SMTP inbox creation. HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError SMTPInboxBulkItem: properties: email_address: type: string maxLength: 255 minLength: 5 title: Email Address description: Full email address display_name: type: string maxLength: 255 minLength: 1 title: Display Name description: Display name inbox_type: type: string title: Inbox Type description: 'Email provider type: GOOGLE_WORKSPACE, OUTLOOK_365, or CUSTOM_SMTP' daily_limit: type: integer minimum: 1 title: Daily Limit description: Daily sending limit default: 100 smtp_host: type: string title: Smtp Host description: SMTP server hostname smtp_port: type: integer maximum: 65535 minimum: 1 title: Smtp Port description: SMTP server port smtp_username: type: string title: Smtp Username description: SMTP username smtp_password: type: string title: Smtp Password description: SMTP password smtp_use_tls: type: boolean title: Smtp Use Tls description: Use TLS for SMTP default: true imap_host: type: string title: Imap Host description: IMAP server hostname imap_port: type: integer maximum: 65535 minimum: 1 title: Imap Port description: IMAP server port imap_username: type: string title: Imap Username description: IMAP username imap_password: type: string title: Imap Password description: IMAP password imap_use_ssl: type: boolean title: Imap Use Ssl description: Use SSL for IMAP default: true type: object required: - email_address - display_name - inbox_type - smtp_host - smtp_port - smtp_username - smtp_password - imap_host - imap_port - imap_username - imap_password title: SMTPInboxBulkItem description: Single item in bulk SMTP inbox creation. SMTPInboxBulkResult: properties: email_address: type: string title: Email Address description: Email address status: type: string title: Status description: Creation status (SUCCESS, FAILED) inbox_id: type: string format: uuid nullable: true title: Inbox Id description: Inbox ID if created error_message: type: string nullable: true title: Error Message description: Error message if failed type: object required: - email_address - status title: SMTPInboxBulkResult description: Result of single SMTP inbox creation in bulk operation. ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type type: object required: - loc - msg - type title: ValidationError securitySchemes: ApiKeyAuth: type: apiKey in: header name: X-API-Key description: API key with format cs_live_xxx ````