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How the Login API works

The Login API enables users to authenticate with your service using their Vipps or MobilePay account. This section provides step-by-step visual guides showing how users experience different login flows.

Available flows​

Login from mobile​

Learn how users authenticate when accessing your website or app from their mobile device. This flow includes automatic app-switching and streamlined authentication for mobile users.

Login from desktop​

Understand the desktop login experience where users enter their phone number on a landing page and confirm the login on their mobile device using a challenge number.

Merchant-initiated login​

Discover how merchants can initiate login requests directly to a user's device using their phone number, enabling seamless authentication for in-store and customer club scenarios.

What you'll learn​

Each guide walks through:

  • The complete user journey from start to finish
  • Key steps in the authentication process
  • Alternative flows for returning users
  • Optional features like marketing consent collection
  • Email verification requirements

Choose the flow that matches your integration scenario to see detailed illustrations and explanations of the user experience.

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