Remember that Monzo is a UK institution -- ACH isn't relevant, and they can see the payment in flight if it's using BACS. https://monzo.com/blog/2019/08/20/mon

Remember that Monzo is a UK institution -- ACH isn't relevant, and they can see the payment in flight if it's using BACS. https://monzo.com/blog/2019/08/20/monzo-now-lets-you-get-paid-a-day-early-for-free https://monzo.com/blog/2019/08/20/monzo-now-lets-you-get-pai...