Creates a new bank transfer payment for the authenticated entity.
Authorization header: Bearer {jwt or Secretkey}
The currency code for the transfer
The amount to transfer in the smallest currency unit (e.g., kobo, pesewas)
The unique identifier (ULID) of the source account
The description or purpose of the transfer
The unique identifier (ULID) of the recipient/counterparty
A unique reference for this transaction to prevent duplication
Optional metadata for the transfer