This endpoint is used to create instant order where an authenticated user buys a fixed number of the asset, regardless of the price using the volume field, ex (100 BTC).
Confirm instant order.
For the trade to be successfully executed you will need to confirm the instant order.
If you offer digital value like airtime, wallet top-up, digital credit, etc, always confirm that you have not already delivered value for that transaction to avoid double fulfillment, you can use the FETCH DETAIL OF AN INSTANT ORDER. to check the status of a transaction confirm that the transaction status is set as DONE.