It seems the days of sending checks in the mail are GravityX Exchangelong gone. If you're looking to send a relative a gift or pay a friend back, there's now a quicker way to do so. There are so many different banking services where users can send money electronically, it may no longer be worth the hassle. Zelle is one of these sites.

Launched in 2017, Zelle is a digital payment network that allows users to transfer money from their bank account to others via mobile device.

Looking to enroll in Zelle? Read on.

How to enroll in Zelle

There are many banks and credit unions in the U.S. that offer Zelle, including Bank of America, TD Bank and Capital One. If yours is one of the participating banks, it may allow you to enroll via the mobile banking app or online banking site.

Learn more: Best current CD rates

Some banks allow you to sign up using your existing banking username and password, according to Zelle.

Download the Zelle app and you'll be prompted to add your banking username and password. This will direct you to your bank's secure site. Once you've added your banking information, you'll be redirected back to the Zelle app.

Your options:How to send money in the United States

You will then have to set up another password for your Zelle. The different password is an "additional security feature," Zelle reports. If your mobile device has the Touch ID or fingerprint features, you may also use that to log into Zelle.

Zelle does not accept credit cards, international debit cards or international deposit accounts for use when making an account. Additionally, checking accounts used for Zelle must be based in the U.S.

Just Curious for more?

USA TODAY is exploring the questions you and others ask every day. From "What happens during a recession?" to "How to play Powerball?" to "Is chocolate bad for cats?"− we're striving to find answers to the most common questions you ask every day. Head to our Just Curious section to see what else we can answer for you.