A better question might be which banks don't use Zelle. The payment option is currently available in over 2,300 banking apps.
Zelle limits range from $500 to $10,000, depending on the bank.
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Zelle limits at top banks

Zelle is an easy tool for sending money between friends, family or different bank accounts, but transfers are subject to daily and monthly limitations. Depending on the issuing bank, daily limits for ...