mbr.pubUpload your first file
A small REST API for uploads, sharing, and file management.
Quick start
Upload a file with one multipart request. New authenticated uploads are private by default; anonymous uploads are always public and return a delete key.
Multipart form data
100 MB direct uploads
0 downloads = unlimited
Response anatomy
Save the file ID and delete key from the response. Prefix a relative file URL with https://mbr.pub when you need an absolute URL.
JSON response
1{
2 "success": true,
3 "fileId": "aB3kL9xQ2p",
4 "fileUrl": "/file/aB3kL9xQ2p",
5 "fileName": "image.png",
6 "deleteKey": "…",
7 "expiresAt": "2026-01-01T00:00:00.000Z"
8}