The ID of the internal account where the micro-deposits originate from. Both credit and debit capabilities must be enabled.

ach, eft, and rtp are supported payment types. Note that rtp micro-deposits will collected via ACH debit.

Defaults to the currency of the originating account.

The payment type used to create the micro-deposit if the original payment type is not valid for the receiving account. Currently, this only supports falling back from RTP to ACH (payment_type=rtp and fallback_type=ach).

Controls the speed of ACH transfers used in the verification flow. Either normal or high. For ACH payments, high represents a same-day ACH. Default value is normal if left blank. Note: This field applies even when payment_type is rtp, as the debit/callback still uses ACH to recover the funds.