Upload Attachment

POST 
/api/upload/attachment

Upload an attachment to Backblaze B2 with tenant isolation.

This endpoint handles various file types for email/SMS attachments including:

• Documents (PDF, DOC, DOCX, TXT)
• Spreadsheets (XLS, XLSX, CSV)
• Archives (ZIP, RAR, 7Z)
• Images (JPG, PNG, GIF)
• Data files (JSON, XML)

Args: file: The attachment file to upload upload_service: Upload service instance with tenant context

Returns: Dict with the attachment URL and metadata

Raises: 400: Invalid file type or size 503: Storage service unavailable 500: Internal server error

Request​