v1

latestOpenAPI 3.1.0Proprietary2026-07-1712530196.4 KB

Files

Get presigned upload URL

Request a presigned S3 POST URL for simple upload (up to 10MB). Two-phase flow: presign -> upload to S3 -> confirm.

post/api/im/files/presign

fileNamestring required

File name (no path separators or null bytes)

fileSizeinteger required

File size in bytes

mimeTypestring required

MIME type (must be in whitelist)

Presigned URL created

okboolean