How can you pay someone online without PayPal?

You can pay someone online without PayPal by using alternative payment services such as Venmo, Cash App, or Zelle, which allow for easy transfers between individuals. Additionally, you can use bank wire transfers or services like Wise (formerly TransferWise) for international payments. Credit or debit card payments can also be made through various platforms like Stripe or Square. Finally, cryptocurrencies like Bitcoin can be used for online transactions if the recipient accepts them.