To integrate your .NET application with Ory Kratos for user login, you would need to follow these steps: 1. Create a Login Flow: Send a GET request to the

/self-service/login/browser

endpoint to create a login flow. This will return a response with a

csrf_token

and other details.

bash curl -X GET \    -H 'Content-Type: application/json' \    -H 'Accept: application/json' \    -c cookies.txt \    https://{project.slug}.<http://projects.oryapis.com/self-service/login/browser|projects.oryapis.com/self-service/login/browser>

[Source](https://www.ory.sh/docs/kratos/bring-your-own-ui/custom-ui-basic-integration#login-flow) 2. Submit the Login Flow: After the user enters their credentials, you would need to send a POST request to the

/self-service/login

endpoint with the user's credentials and the

csrf_token

obtained from the previous step.

bash curl -X POST \    -H 'Content-Type: application/json'\    -H 'Accept: application/json' \    -d '{"method":"password","csrf_token":"your-csrf-token","identifier":"[[email protected]](<https://www.ory.sh/cdn-cgi/l/email-protection>)","password":"verystrongpassword"}' \    -b cookies.txt \    -c cookies.txt \    "https://{project.slug}.<http://projects.oryapis.com/self-service/login?flow=<your-flow-id|projects.oryapis.com/self-service/login?flow=<your-flow-id>>"

[Source](https://www.ory.sh/docs/kratos/bring-your-own-ui/custom-ui-basic-integration#submit-login-flow) Please note that the above examples are given in cURL. You would need to translate these into equivalent .NET code. Also, replace

{project.slug}

with your project's slug and

<your-flow-id>

with the flow id obtained from the first step. For native applications, the endpoints would be slightly different. You can find more details in the [Ory Kratos Documentation](https://www.ory.sh/docs/kratos/).

To use the Ory Kratos SDK in your .NET application, you would need to follow these steps: 1. Install the SDK: You can install the Ory Kratos SDK for .NET from the NuGet package repository. Here is the link to the package: [Ory.Kratos.Client](https://www.nuget.org/packages/Ory.Kratos.Client/) 2. Initialize the SDK: After installing the SDK, you can initialize it in your application. You would need to provide the base URL of your self-hosted Ory Kratos Identity Server.

csharp var configuration = new Configuration {     BasePath = "<http://localhost:4433>" // Replace with your Ory Kratos server URL }; var apiInstance = new V0alpha1Api(configuration);

3. Create a Login Flow: You can create a login flow using the

InitializeSelfServiceLoginFlowWithoutBrowserAsync

method.

csharp var loginFlow = await apiInstance.InitializeSelfServiceLoginFlowWithoutBrowserAsync();

4. Submit the Login Flow: After the user enters their credentials, you can submit the login flow using the

SubmitSelfServiceLoginFlowAsync

method.

csharp var loginRequest = new SubmitSelfServiceLoginFlow {     Method = "password",     Password = "user-password", // Replace with user's password     Identifier = "user-email" // Replace with user's email }; var response = await apiInstance.SubmitSelfServiceLoginFlowAsync(loginFlow.Id, loginRequest);

Please note that you would need to replace

"user-password"

and

"user-email"

with the actual user's password and email. You can find more details about the SDK and its methods in the [Ory Kratos SDK Documentation](https://github.com/ory/sdk/tree/master/clients/kratos/dotnet) and the [Ory Kratos API Reference](https://www.ory.sh/docs/kratos/reference/api). [Source](https://www.ory.sh/docs/kratos/sdk/overview)

To use the

CreateBrowserLoginFlow

function in the Ory Kratos SDK for .NET, you would need to follow these steps: 1. Initialize the SDK: After installing the SDK, you can initialize it in your application. You would need to provide the base URL of your self-hosted Ory Kratos Identity Server.

csharp var configuration = new Configuration {     BasePath = "<http://localhost:4433>" // Replace with your Ory Kratos server URL }; var apiInstance = new V0alpha1Api(configuration);

2. Create a Login Flow: You can create a login flow using the

CreateBrowserLoginFlowAsync

method.

csharp var loginFlow = await apiInstance.CreateBrowserLoginFlowAsync();

This function initializes a browser-based user login flow. It sets the appropriate cookies and anti-CSRF measures required for browser-based flows. If a valid user session exists already, the browser will be redirected to

urls.default_redirect_url

unless the query parameter

?refresh=true

was set. Please note that this endpoint is not intended for clients that do not have a browser (Chrome, Firefox, ...) as cookies are needed. You can find more details about the SDK and its methods in the [Ory Kratos SDK Documentation](https://github.com/ory/sdk/tree/master/clients/kratos/dotnet) and the [Ory Kratos API Reference](https://www.ory.sh/docs/reference/api). [Source](https://www.ory.sh/docs/reference/api)