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Passwordless .NET SDK\n\n[![Build](https://img.shields.io/github/actions/workflow/status/bitwarden/passwordless-dotnet/main.yml?branch=main)](https://github.com/bitwarden/passwordless-dotnet/actions)\n[![Coverage](https://img.shields.io/codecov/c/github/bitwarden/passwordless-dotnet/main)](https://codecov.io/gh/bitwarden/passwordless-dotnet)\n[![Version](https://img.shields.io/nuget/v/Passwordless.svg)](https://nuget.org/packages/Passwordless)\n[![Downloads](https://img.shields.io/nuget/dt/Passwordless.svg)](https://nuget.org/packages/Passwordless)\n\nThe official [Bitwarden Passwordless.dev](https://passwordless.dev) .NET library, supporting .NET Standard 2.0+, .NET Core 2.0+, and .NET Framework 4.6.2+.\n\n## Install\n\n- [NuGet](https://nuget.org/packages/Passwordless): `dotnet add package Passwordless`\n\n## See also\n\nIntegration packages:\n\n- [Passwordless.AspNetCore](src/Passwordless.AspNetCore) — Passwordless.dev integration with ASP.NET Core Identity\n\nExamples:\n\n- [Passwordless.Example](examples/Passwordless.Example) — basic Passwordless.dev integration inside an ASP.NET app\n- [Passwordless.AspNetIdentity.Example](examples/Passwordless.AspNetIdentity.Example) — Passwordless.dev integration using ASP.NET Identity.\n- [Passwordless.MultiTenancy.Example](examples/Passwordless.AspNetIdentity.Example) — Passwordless.dev integration for multi-tenant applications.\n\n## Usage\n\n💡 See the full [Getting started guide](https://docs.passwordless.dev/guide/get-started.html) in the official documentation.\n\n### Resolve the client\n\nAdd Passwordless to your service container:\n\n```csharp\n// In Program.cs or Startup.cs\nservices.AddPasswordlessSdk(options =\u003e\n{\n    options.ApiSecret = \"your_api_secret\";\n    options.ApiKey = \"your_api_key\";\n});\n```\n\nInject the client into your controller:\n\n```csharp\npublic class HomeController(IPasswordlessClient passwordlessClient) : Controller\n{\n    // ...\n}\n```\n\n### Register a passkey\n\nDefine an action or an endpoint to generate a registration token:\n\n```csharp\n[HttpGet(\"/create-token\")]\npublic async Task\u003cIActionResult\u003e GetRegisterToken(string alias)\n{\n    // Get existing userid from session or create a new user in your database\n    var userId = Guid.NewGuid().ToString();\n    \n    // Provide the userid and an alias to link to this user\n    var payload = new RegisterOptions(userId, alias)\n    {\n        // Optional: Link this userid to an alias (e.g. email)\n        Aliases = [alias]\n    };\n    \n    try\n    {\n        var tokenRegistration = await passwordlessClient.CreateRegisterTokenAsync(payload);\n    \n        // Return this token to the frontend\n        return Ok(tokenRegistration);\n    }\n    catch (PasswordlessApiException e)\n    {\n        return new JsonResult(e.Details)\n        {\n            StatusCode = (int?)e.StatusCode,\n        };\n    }\n}\n```\n\n### Verify user\n\nDefine an action or an endpoint to verify an authentication token:\n\n```csharp\n[HttpGet(\"/verify-signin\")]\npublic async Task\u003cIActionResult\u003e VerifyAuthenticationToken(string token)\n{\n    try\n    {\n        var verifiedUser = await passwordlessClient.VerifyTokenAsync(token);\n\n        // Sign the user in, set a cookie, etc\n        return Ok(verifiedUser);\n    }\n    catch (PasswordlessApiException e)\n    {\n        return new JsonResult(e.Details)\n        {\n            StatusCode = (int?)e.StatusCode\n        };\n    }\n}\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbitwarden%2Fpasswordless-dotnet","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbitwarden%2Fpasswordless-dotnet","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbitwarden%2Fpasswordless-dotnet/lists"}