How To Manage User Secrets In Asp.net Core May 2026

To use user secrets, you must first initialize your project. This adds a UserSecretsId to your .csproj file, which maps your project to a specific folder in your local user profile.

The tool in ASP.NET Core provides a safe way to store this information during local development by keeping it outside your project directory. 1. Enable Secret Storage How to manage user secrets in ASP.NET Core

public class MyController : ControllerBase { private readonly IConfiguration _config; public MyController(IConfiguration config) => _config = config; public IActionResult Get() { var apiKey = _config["ServiceApiKey"]; // Retrieves the secret return Ok(); } } ``` ### Key Best Practices * **Development Only:** User secrets are **not encrypted** and are only intended for local development. * **Production Security:** Never use Secret Manager for production. Instead, use more secure providers like [Azure Key Vault](https://learn.microsoft.com/en-us/aspnet/core/security/key-vault-configuration) or [environment variables](https://microsoft.com). * **Source Control:** Ensure your `secrets.json` file path is never added to `.gitignore`, though it should already be safe since it lives outside the project folder. Use code with caution. Copied to clipboard How to manage user secrets in ASP.NET Core - InfoWorld To use user secrets, you must first initialize your project

Storing sensitive data like API keys, database connection strings, or passwords directly in your code or appsettings.json is a major security risk. If you accidentally commit these files to source control (like GitHub ), anyone with access to the repository can see them. Instead, use more secure providers like [Azure Key