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Choosing a user ID
In this article
In this article

A user ID is the unique name you use to identify yourself on eBay and is seen by other eBay users. Your user ID is displayed when you buy or sell on eBay or communicate with other members. Other members can't see your real name or other personal information.

When you register on eBay, we'll automatically assign you a user ID.  If you'd like to create your own user ID, go to My eBay, click the Account tab and go to Personal Information. After that, you can change your user ID only once in a 30-day period.

Creating a valid user ID

Valid user IDs must be at least 6 characters in length. Your user ID can only include letters, numbers, periods, asterisks, underscores, or dashes. As you type in a possible user ID, we'll provide suggestions of what's available.

You can use either your email address or your user ID to sign in to eBay. If you choose your own user ID, pick one that you like and will remember. Since other members will see it, we recommend you not include your real name or other personal information in your user ID.

Invalid characters and elements

User IDs can't contain:

  • Any characters except letters, numbers, periods, asterisks, underscores, or dashes.

  • Elements that imply an email address or web address including but not limited to .com, .net, .org, .edu, or any variation (for example, _com or -com). However, your user ID can contain an element of an email address or web address that identifies you or your brand. For example, if your web address is xyz.com you can use xyz as an element of your user ID.

  • Consecutive underscores.

  • An underscore, hyphen, or period at the beginning or end of a user ID (for example, -cardcollector).

  • The word eBay.

  • The letter e followed by numbers.

  • Obscene or profane words that violate our profanity policy.

  • The same user ID as another member.

  • A user ID that is similar to the name of an eBay Store.

  • A term that could be confused with someone else's trademark or brand (for example, CocaColaSeller).

Creating eBay Store names

Store names are another form of identification on eBay. You have more flexibility in creating eBay Store names. For example, spaces and symbols (such as &) are allowed in Store names. However, Store names must otherwise follow the same guidelines and restrictions as other user IDs.

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