Timing

Each business day, Column offers six API request deadlines synchronized with Federal Reserve settlement windows.

Standard Timing

By default, Column sends ACH requests using standard timing. This means that, regardless of when the ACH is created, it will settle no later than the opening of the following business day.

It's possible, but not guaranteed, that funds will arrive sooner than the Target Settlement.

Same Day Timing

Column allows you to send ACH transfers same-day, provided they are submitted before the last API request deadline (1:30pm PT). ACH transfers submitted after the deadline will automatically be sent with standard timing.

Creating same day transfers with the API

To be sent same-day, an ACH must meet the following criteria:

1. The ACH must be submitted to Column no later than 1:30pm PT.
2. The ACH must set same_day = true and/or effective_on = today.

*If same_day = false, ACH will be sent with standard timing regardless of effective_date.

*Business days

Transfers that cannot be sent same day

Some transfers are never eligible for same-day settlement. Rather than being rejected, they are sent with standard timing on the next business day:

• Transfers over $1,000,000. Nacha caps same-day ACH at $1,000,000 per transfer. Exactly $1,000,000 is still eligible; a transfer over the cap is sent next business day.
• IAT transfers. International ACH Transactions are not eligible for same-day settlement. Setting same_day = true on an IAT is rejected at creation; an IAT with effective_on = today is accepted and sent next business day.