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WebAPIKeyAuth

A simple implementation of API Key authentication middleware in ASP.NET Core.
Useful for securing minimal APIs or internal endpoints with a shared key.

🔐 Features

  • Lightweight API key authentication middleware
  • Easy to configure with minimal changes
  • Suitable for internal tools, microservices, or prototyping

🚀 Getting Started

1. Clone the Repository

git clone https://github.com/ejimeoghenefejiro/WebAPIKeyAuth.git
cd WebAPIKeyAuth
  1. Configure the API Key Set the expected API key in appsettings.json:
{
  "ApiKey": "your-secure-api-key"
}
  1. Use the Middleware Register the middleware in your Program.cs or Startup.cs:
app.UseMiddleware<ApiKeyMiddleware>();

Example Request

GET /weatherforecast HTTP/1.1
Host: localhost:5000
X-API-KEY: your-secure-api-key

Running the Project

dotnet run

🤝 Contributing

Contributions and stars are welcome! ⭐ Feel free to fork the repo and submit a pull request.