post
https://apiv2.{domain}.ai/api/v2/core/ats-systems//ats-positions//attachments
Upload attachments for an ATS Position. Each file can be provided either as a URL or base64 encoded content.
Restrictions:
- Maximum 10MB per file and total upload
- Allowed file types: PDF, DOCX, XLSX, JPG, PNG, TXT
- URLs must be publicly accessible HTTPS endpoints
- Private IPs and localhost URLs are blocked for security
- All files must succeed or entire operation fails (transactional)