Simple ASP.NET Web API using EPPlusFree NuGet package to expose a restful interface for creating excel documents.

• .NET 5.0
• EPPlusFree (GNU Lesser General Public License)
• Newtonsoft.Json (MIT License)
• Swashbuckle.AspNetCore (MIT License)

https://nvm-restxcel.azurewebsites.net/swagger

Download a release from the release page. or Download the source code and run with (.NET 5.0 SDK required) dotnet run

Open swagger endpoint on [yourscheme]://[yourendpoint]:[yourport]/swagger

The template directory for permanent templates can be configured in appsettings.json file.

  "Restxcel": {
    "TemplatesDirectory": "C:\\mypath\\templates"
  }
  or
  "Restxcel": {
    "TemplatesDirectory": "/home/my/path/templates"
  }

• Use xltx Excel file templates as a base or start with an empty file
• Add and modify worksheets, data and format to the file
• Download the final excel file
• Runs completely in memory