File ManagementIntroduction

File Management API provides file upload and management capabilities, supporting both direct upload and multipart upload for large files.

Choosing an Upload Method

ScenarioRecommended
File ≤ 60 MBUpload File (direct upload)
File > 60 MB or resumable upload neededMultipart Upload Flow

Multipart Upload Flow

1. Call "Create Multipart Upload Task" → get TaskId
2. Split file into 16 MB parts, call "Upload File Part" for each
3. Call "Complete Multipart Upload" → get final ResourceId

Supported formats: pdf / doc / docx / xls / xlsx / html / jpg / jpeg / png / bmp / txt

Size limits: Images (jpg/jpeg/png/bmp) ≤ 10 MB; other documents ≤ 60 MB (no limit for multipart upload)