You are viewing an old version of the API
The order to create. If this field is set, the only other top-level field that can be
set is the
A value you specify that uniquely identifies this order among orders you have created.
If you are unsure whether a particular order was created successfully, you can try it again with the same idempotency key without worrying about creating duplicate orders.
For more information, see Idempotency.