I’m building a system that needs to process recurring ACH payments. The client bills customers based on usage, so the amounts will vary from month to month. I’m using the Square Web Payments SDK to capture the authorization and generate a bnon token. I then send the bnon to my backend and create a b…

Update: I have made progress on the payload structure, but the 500 error persists. I discovered that when using the frequency object as documented, the SDK sends days_of_month as an empty array. However, if I replace frequency with cadence: ‘MONTHLY’, the SDK correctly populates the days_of_month a…

Is there someone from Square who can weigh in on this? We’ve implemented this exactly as instructed in the official documentation, but are getting a generic 500 error with no other information to help troubleshoot. @Bryan-Square

I am also running into the same issue when attempting tokenization for a recurring charge.

Variable recurring ACH payments

Questions

rackd March 17, 2026, 11:05pm 3

We’re hitting the same/similar issue, even when using the exact example code from the documentation at Store and Charge Bank Accounts on File

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Variable recurring ACH payments

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