minimal-api-file-upload

Implementing File Uploads in ASP.NET Core Minimal APIs When to Use File upload endpoints in ASP.NET Core minimal APIs (.NET 8+) Handling IFormFile or IFormFileCollection parameters When you need size limits, content type validation, or streaming large files When Not to Use MVC controllers → [FromForm] IFormFile works directly with attributes Simple JSON body → no file upload needed Very large files (> 1GB) → use streaming with MultipartReader instead Inputs Input Required Description File parameter(s) Yes IFormFile or IFormFileCollection Size limits Yes Max file/request size Allowed types No Content type or extension restrictions Show more Installs 884 Repository dotnet/skills GitHub Stars 5.1K First Seen Mar 31, 2026 Security Audits Gen Agent Trust Hub Pass Socket Pass Snyk Pass