Upload

POST /api/v1/upload

Requires write permission. Uploads a file using multipart form data.

Request

Send a multipart/form-data request with the following fields:

FieldRequiredDescription
fileYesThe file to upload
tagsNoComma-separated list of tags
descriptionNoText description
folderIdNoDestination folder ID

Size limits

PlanMax file size
Free10 MB
Pro100 MB
EnterpriseCustom

Exceeding the limit returns 413 FILE_TOO_LARGE.

Example

curl -X POST https://medianest.app/api/v1/upload \
  -H "X-API-Key: mn_your_key" \
  -F "file=@photo.jpg" \
  -F "tags=product,hero" \
  -F "description=Product hero shot"

Response

{
  "success": true,
  "data": {
    "id": "clx1abc123",
    "filename": "photo.jpg",
    "fileType": "IMAGE",
    "fileSize": 204800,
    "cdnUrl": "https://...",
    "thumbnailUrl": "https://...",
    "createdAt": "2026-05-11T00:00:00.000Z"
  }
}

Duplicate detection

If the uploaded file is identical (same SHA-256 checksum) to an existing file in your account, the request returns 409 DUPLICATE_FILE.