post
https://api.shinkansen.finance/v1/messages/payouts
Sends a new payout message, which — if successful — will move funds from the account of one participant of the network to some account on an external network (e.g: traditional bank accounts)
Forbidden (e.g: wrong API Key)
Message ignored, because it was already seen and processed before by the receiver. Typically happens when a message is re-sent because the sender isn't sure if it was correctly received (e.g: network failure when the 2xx response was in flight)'
Callback