Set shippng method for all shipments
curl --request PATCH \ --url https://demo.spreecommerce.org/api/v2/storefront/checkout/select_shipping_method \ --header 'Content-Type: application/vnd.api+json' \ --header 'X-Spree-Order-Token: <api-key>' \ --data '{ "shipping_method_id": "1" }' { "data" : { "id" : "17" , "type" : "cart" , "attributes" : { "number" : "R233871560" , "item_total" : "0.0" , "total" : "0.0" , "ship_total" : "0.0" , "adjustment_total" : "0.0" , "created_at" : "2021-09-28T22:15:07.471Z" , "updated_at" : "2021-09-28T22:15:07.471Z" , "completed_at" : null , "included_tax_total" : "0.0" , "additional_tax_total" : "0.0" , "display_additional_tax_total" : "$0.00" , "display_included_tax_total" : "$0.00" , "tax_total" : "0.0" , "currency" : "USD" , "state" : "cart" , "token" : "zTEpsukRq_yEUcXVCSv0uw1632867307450" , "email" : null , "display_item_total" : "$0.00" , "display_ship_total" : "$0.00" , "display_adjustment_total" : "$0.00" , "display_tax_total" : "$0.00" , "promo_total" : "0.0" , "display_promo_total" : "$0.00" , "item_count" : 0 , "special_instructions" : null , "display_total" : "$0.00" , "pre_tax_item_amount" : "0.0" , "display_pre_tax_item_amount" : "$0.00" , "pre_tax_total" : "0.0" , "display_pre_tax_total" : "$0.00" , "shipment_state" : null , "payment_state" : null }, "relationships" : { "line_items" : { "data" : [] }, "variants" : { "data" : [] }, "promotions" : { "data" : [] }, "payments" : { "data" : [] }, "shipments" : { "data" : [] }, "user" : { "data" : null }, "billing_address" : { "data" : null }, "shipping_address" : { "data" : null } } } }