post
https://api.ecartapi.com/api/v2/orders//fulfillments
Create a order Fulfillment and shows the detailed information.
To create a new order Fulfillment these fields are required
* customerId
* shippingMethod
* shippingMethodId
You can get the customer Id from the customer requests.
You can get the shippingMethodID and shippingMethod from the shippings requests.