A magic link is a link used to confirm identity or open an account without entering a password at that moment. A service usually sends it to an address or phone number already associated with the account. The name sounds simple, but the link itself functions like a temporary key, so it deserves the same care as other sign-in credentials.

Understand what the link does

When you request a magic link, the service creates a unique URL and sends it through a channel it has on file. Opening the link may sign you in, verify an address, or let you continue setting up an account; the exact purpose depends on the prompt that came before it. Some links work only once or stop working after a limited period, while others follow different rules.

This process can avoid remembering another password, but it shifts some responsibility to the inbox or device receiving the message. Anyone who can access that channel may be able to use a sign-in link, particularly if it has not yet been opened. Keep your email and messaging accounts protected, and avoid leaving them open on shared devices.

Check the message before opening it

First, make sure you asked for the link and that the message matches the service you were trying to use. Check the sender information and the visible web address, and be cautious if the message creates pressure or asks for unrelated personal details. A familiar-looking logo or wording is not enough to establish that a message is genuine.

Terminology can vary: magic links service is a broad phrase, while an account sign-in link should come from the service whose account you intend to access. If a message arrives unexpectedly, do not use its link; instead, open the service through a known route and check whether a sign-in request is pending. Never forward a link or paste it into a public message, since it may give another person access.

Handle common problems safely

If a link does not work, check whether it has already been used, whether you requested a newer one, and whether the message was sent to the correct account. Opening links across devices or browsers can also cause confusion when the session is tied to the device that started the request. Follow the service’s own instructions rather than trying to alter the URL.

If you did not request a link, someone may have entered your address by mistake, or they may be attempting to access an account. Do not share the message or its contents; secure the associated inbox and review the account’s sign-in options if you are concerned. For accounts with important personal information, use available additional protections and keep recovery details current.