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How your AP team handles supplier bank-detail changes

About 10 minutes. Please describe real events, not opinions. Short answers are fine, and "never happened" is a useful answer too.

I'm researching this problem to decide whether to build a product. Nothing is for sale here. I'm Hieu Tran; I use AI tools to help with this research, including drafting messages and organising responses. Answers are kept private and only shared in anonymised form.

Think of the last time a supplier asked you to change their bank details (by email, letter, portal or phone). What happened, step by step, and how did you decide it was real?

Have you had a near-miss or a loss from a fake change request? What happened, how was it caught (or not), and what did it cost?

What's your process today: callbacks, who approves, where it's recorded, what your bank or AP software (BILL, Ramp, QuickBooks, NetSuite) does. What gets skipped at month end?

What have you used or paid for to check changes (Eftsure, Trustpair, your bank's account validation, an email security tool, nothing)? What made you keep or drop it?

Your role

Company website

Suppliers you pay in a month

A
B
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D

Email for one or two short follow-up questions (optional)