Start login flow

Starts a login flow for the auth connection. Returns immediately with a hosted URL for the user to complete authentication, or triggers automatic re-auth if credentials are stored.

POST /auth/connections/{id}/login

JavaScript

JavaScript

import Kernel from '@onkernel/sdk';

const client = new Kernel({
  apiKey: process.env['KERNEL_API_KEY'], // This is the default and can be omitted
});

const loginResponse = await client.auth.connections.login('id');

console.log(loginResponse.id);

200

{
  "id": "ma_abc123xyz",
  "flow_type": "LOGIN",
  "hosted_url": "https://auth.kernel.com/login/abc123xyz",
  "flow_expires_at": "2025-11-05T20:00:00Z",
  "handoff_code": "aBcD123EfGh456IjKl789MnOp012QrStUvWxYzAbCdEf",
  "live_view_url": "https://live.onkernel.com/abc123xyz"
}

Authorizations

Authorization · string · header · required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

id · string · required

Auth connection ID

Body

application/json

Request to start a login flow

save_credential_as · string

If provided, saves credentials under this name upon successful login

Example:

"my-netflix-login"

Response

200

application/json

Login flow started

Response from starting a login flow

id · string · required

Auth connection ID

Example:

"ma_abc123xyz"

flow_type · enum<string> · required

Type of login flow started

Available options: LOGIN, REAUTH

Example:

"LOGIN"

hosted_url · string<uri> · required

URL to redirect user to for login

Example:

"https://auth.kernel.com/login/abc123xyz"

flow_expires_at · string<date-time> · required

When the login flow expires

Example:

"2025-11-05T20:00:00Z"

handoff_code · string

One-time code for handoff (internal use)

Example:

"aBcD123EfGh456IjKl789MnOp012QrStUvWxYzAbCdEf"

live_view_url · string<uri>

Browser live view URL for watching the login flow

Example:

"https://live.onkernel.com/abc123xyz"