WebAPIKeyAuth

Secure Your ASP.NET Core APIs with Custom Key-Based Authentication This middleware implementation provides a lightweight yet robust authentication layer for ASP.NET Core applications where traditional OAuth or JWT solutions may be overkill. Perfect for internal microservices, administrative endpoints, or third-party integrations that require simple but effective access control.

🔐 Key Features

Enterprise-Ready Security Made Simple

• Zero-Configuration Authentication: Drop-in middleware that secures your endpoints immediately without complex setup or external dependencies
• Developer-Friendly Integration: Seamlessly integrates into existing ASP.NET Core applications with just a few lines of code - no architectural changes required
• Production-Tested Reliability: Battle-tested solution perfect for high-traffic microservices, internal tooling, and rapid prototype-to-production scenarios

🚀 Getting Started

1. Clone the Repository

git clone https://github.com/ejimeoghenefejiro/WebAPIKeyAuth.git
cd WebAPIKeyAuth

2. Configure the API Key Set the expected API key in appsettings.json:

{
  "ApiKey": "your-secure-api-key"
}

3. 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.