iDEAL is an e-commerce payment system used in the Netherlands, based on online banking. Introduced in 2005, this payment method allows customers to buy on the Internet using direct online transfers from their bank account.

iDEAL remains by far the most popular method for online payments in the Netherlands, well beyond credit card use, and was used for 54% of all Dutch online payments in 2014.The service processed 4.5 million transfers in 2006, 15 million transfers in 2007, 28 million transfers in 2008, 45.4 million in 2009, 68.8 million in 2010, 93.8 million in 2011, 117.2 million in 2012, 142.5 million in 2013, 180.2 million in 2014, 222 million in 2015, 282 million in 2016 and in 2019 655 million transactions.  iDEAL is owned by the Dutch organization Currence, which also owned PIN and Chipknip. As of April 2016, the total amount of payments exceeded one billion.

The participating banks in iDEAL are ABN AMRO, ASN Bank, bunq, ING Bank, Knab, Rabobank, RegioBank, Revolut, SNS, Svenska Handelsbanken, Triodos Bank, Van Lanschot and De Volksbank. Together they serve the vast majority of the Dutch online banking market.

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