POST /business/order re-quotes each shipment and debits your Business wallet in one transaction.
If the wallet balance is too low, the API returns 400.
What to do
- Log in to the Business Dashboard (production) or staging ↗.
- Open Wallet and fund your Business wallet.
- Retry the place-orders request.

Business Dashboard → Wallet
POST /business/order/cost and bulk quote) do not debit the wallet — only placing orders does.
See Place orders and Best practices.