Mapping of REST services to storefront checkout actions

Mapping of REST services to storefront checkout actions
The Aurora starter store uses REST services throughout the checkout process. The actions for each page map to a REST service. The following pages are included:

Shopping cart page (B2C)
Current order page (B2B)
Shipping and billing method page (B2C)
Shipping and billing method page (B2B)
Order summary page (B2C)
Order summary page (B2B)
Quick order page
Free gift page
Quick checkout page

Note: The Free gift page is included only if the promotion type is available to customers.

Shopping cart page (B2C)
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Change Attributes
POST AjaxRESTOrderItemDelete
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catalogId=10052
langId=-1
orderId=.
orderItemId=40001
requesttype=ajax
storeId=10001
AjaxRESTOrderItemDelete deletes the order item for which the attributes need to be changed.
POST AjaxRESTOrderItemAdd
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catEntryId=10056
catalogId=10052
langId=-1
orderId=.
quantity=1
requesttype=ajax
storeId=10001
AjaxRESTOrderItemAdd adds a new order item using the SKU for the changed attributes.
Select your free gift
POST AjaxRESTOrderRewardOptionUpdate
calculationUsage=-1,-2,-5,-6,-7
catEntryId=10094
catEntryId=10040
orderId=15001
quantity=1
requesttype=ajax
rewardOptionId=1
storeId=10001
AjaxRESTOrderRewardOptionUpdate adds the selected SKU as a free gift into the cart.
Multiple gifts can be applied by repeating the catEntryId parameter.
Continue Checkout
GET RESTOrderItemUpdate
URL=https://hostname/webapp/wcs/stores/
servlet/UnregisteredCheckoutView?catalogId=10052
allocate=***
backorder=***
calculateOrder=1
calculationUsage=-1,-2,-3,-4,-5,-6,-7
check=*n
errorViewName=AjaxOrderItemDisplayView
guestChkout=1
langId=1
orderId=.
orderItemId=30004
remerge=***
storeId=10001
Check out as guest.
RESTOrderItemUpdate performs order calculation and inventory checks.
The following parameters control ATP inventory: allocate, backorder, check. See OrderItemUpdate URL.
The following order abbreviations are used: ***, *n. See Order abbreviations.
UnregisteredCheckoutView is the first page of the guest user checkout flow. It enables users to enter shipping and billing information for the order.
Logon and Checkout
POST Logon
URL=https://hostname/webapp/wcs/stores/
servlet/RESTMoveOrderItem?updatePrices=0
&calculationUsageId=-1&createIfEmpty=1
&deleteIfEmpty=*&continue=1&toOrderId=.
&fromOrderId=*
&URL=RESTOrderCalculate%3FURL=https://hostname
/webapp/wcs/stores/servlet/OrderShippingBillingView
?shipmentType=single&catalogId=10052&langId=-1&storeId
=10001&calculationUsageId=-1&calculationUsageId=-2
&calculationUsageId=-7
catalogId=10052
errorViewName=AjaxOrderItemDisplayView
logonId=xxxx
logonPassword=xxxxxxx
reLogonURL=AjaxOrderItemDisplayView
storeId=10001
Check out as registered user.
Use the URL parameter to form a command chain. First Logon, then RESTMoveOrderItem merges the guest cart with the registered user's cart, and then OrderShippingBillingView displays the shopping cart.
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
RESTOrderItemUpdate cart PUT /store/{storeId}/cart/@self/update_order_item cart OrderItemUpdateCmd
RESTMoveOrderItem cart PUT /store/{storeId}/cart/move_order_item cart OrderItemMoveCmd
AjaxRESTOrderItemDelete cart PUT /store/{storeId}/cart/@self/delete_order_item cart OrderItemUpdateCmd
AjaxRESTOrderItemAdd cart POST /store/{storeId}/cart cart OrderItemAddCmd
AjaxRESTOrderRewardOptionUpdate cart PUT /store/{storeId}/cart/@self/update_reward_option cart RewardChoiceUpdateCmd

Current order page (B2B)
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Change Attributes
POST AjaxRESTOrderItemDelete
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catalogId=10052
langId=-1
orderId=.
orderItemId=40001
requesttype=ajax
storeId=10001
AjaxRESTOrderItemDelete deletes the order item for which the attributes need to be changed.
POST AjaxRESTOrderItemAdd
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catEntryId=10056
catalogId=10052
langId=-1
orderId=.
quantity=1
requesttype=ajax
storeId=10001
AjaxRESTOrderItemAdd adds a new order item using the SKU for the changed attributes.
Select your free gift
POST AjaxRESTOrderRewardOptionUpdate
calculationUsage=-1,-2,-5,-6,-7
catEntryId=10094
orderId=15001
quantity=1
requesttype=ajax
rewardOptionId=1
storeId=10001
AjaxRESTOrderRewardOptionUpdate adds the selected SKU as a free gift into the cart.
Check out
GET RESTOrderItemUpdate
remerge=***
check=*n
allocate=***
backorder=***
calculationUsage=-1,-2,-3,-4,-5,-6,-7
calculateOrder=1
orderItemId=35001
errorViewName=AjaxOrderItemDisplayView
orderId=.
URL=https://localhost/webapp/wcs/stores/servlet/
OrderShippingBillingView?shipmentType=single
&catalogId=10251&langId=-1&storeId=10801
Check out as registered B2B user.
RESTOrderItemUpdate performs order calculation and inventory check.
The following parameters control ATP inventory: allocate, backorder, check. See OrderItemUpdate URL
The following order abbreviations are used: ***, *n. See Order abbreviations.
The URL parameter is used to construct a command chain. For example, when RESTOrderItemUpdate is finished, it forwards to OrderShippingBillingView to show the shopping cart.
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
RESTOrderItemUpdate cart PUT /store/{storeId}/cart/@self/update_order_item cart OrderItemUpdateCmd
AjaxRESTOrderItemDelete cart PUT /store/{storeId}/cart/@self/delete_order_item cart OrderItemUpdateCmd
AjaxRESTOrderItemAdd cart POST /store/{storeId}/cart cart OrderItemAddCmd
AjaxRESTOrderRewardOptionUpdate cart PUT /store/{storeId}/cart/@self/update_reward_option cart RewardChoiceUpdateCmd

Shipping and billing method page (B2C)
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Select your free gift
POST AjaxRESTOrderRewardOptionUpdate
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catEntryId=18044
orderId=14001
quantity=1
requesttype=ajax
rewardOptionId=3
storeId=10801
AjaxRESTOrderRewardOptionUpdate changes the SKU as a free gift in the cart.
Apply promotion code
POST AjaxRESTPromotionCodeApply
catalogId=10251
finalView=AjaxOrderItemDisplayView
langId=-1
orderId=14001
promoCode=gggt
requesttype=ajax
storeId=10801
taskType=A
AjaxRESTPromotionCodeApply applies a promotion code to the current order (shopping cart).
taskType = A denotes an Apply operation.
Next
POST AjaxRESTOrderPrepare
catalogId=10251
langId=-1
requesttype=ajax
storeId=10801
AjaxRESTOrderPrepare finalizes the order, including price, shipping, tax, and promotions. Then, it locks the order so that it is ready for submission.
POST AjaxRESTOrderPIAdd
account=4111111111111111
authToken=3006%2CQB64kwGO0u0CPr9d%2FMdUA9ZOoxw%3D
billing_address_id=12304
catalogId=10251
cc_brand=MasterCard
cc_cvc=555
expire_month=09
expire_year=2024
langId=-1
payMethodId=Master Card
piAmount=13.09000
requesttype=ajax
storeId=10801
AjaxRESTOrderPIAdd creates a payment instruction, including payment method and amount. An order can be paid for using multiple payment methods, each covering part of the order total amount.
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
AjaxRESTPromotionCodeApply assigned_promotion_code POST /store/{storeId}/cart/@self/assigned_promotion_code assigned_promotion_code PromotionCodeAddRemoveControllerCmd
AjaxRESTOrderPrepare cart PUT /store/{storeId}/cart/@self/precheckout cart OrderPrepareCmd
AjaxRESTOrderPIAdd payment_instruction POST /store/{storeId}/cart/@self/payment_instruction payment_instruction PIAddCmd
AjaxRESTOrderRewardOptionUpdate cart PUT /store/{storeId}/cart/@self/update_reward_option cart RewardChoiceUpdateCmd

Shipping and billing method page (B2B)
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Change your free gift
POST AjaxRESTOrderRewardOptionUpdate
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catEntryId=18044
orderId=14001
quantity=1
requesttype=ajax
rewardOptionId=3
storeId=10801
AjaxRESTOrderRewardOptionUpdate changes the SKU as a free gift in the cart.
Apply promotion code
POST AjaxRESTPromotionCodeApply
catalogId=10251
finalView=AjaxOrderItemDisplayView
langId=-1
orderId=14001
promoCode=gggt
requesttype=ajax
storeId=10801
taskType=A
AjaxRESTPromotionCodeApply applies a promotion code to the current order (shopping cart).
taskType = A denotes an Apply operation.
Next
POST AjaxRESTOrderPrepare
catalogId=10251
langId=-1
requesttype=ajax
storeId=10801
AjaxRESTOrderPrepare finalizes the order, including price, shipping, tax, and promotions. Then, it locks the order so that it is ready for submission.
POST AjaxRESTOrderPIAdd
account=4111111111111111
authToken=3006%2CQB64kwGO0u0CPr9d%2FMdUA9ZOoxw%3D
billing_address_id=12304
catalogId=10251
cc_brand=MasterCard
cc_cvc=555
expire_month=09
expire_year=2024
langId=-1
payMethodId=Master Card
piAmount=13.09000
requesttype=ajax
storeId=10801
AjaxRESTOrderPIAdd creates a payment instruction, including payment method and amount. An order can be paid for using multiple payment methods, each covering part of the order total amount.
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
AjaxRESTPromotionCodeApply assigned_promotion_code POST /store/{storeId}/cart/@self/assigned_promotion_code assigned_promotion_code PromotionCodeAddRemoveControllerCmd
AjaxRESTOrderPrepare cart PUT /store/{storeId}/cart/@self/precheckout cart OrderPrepareCmd
AjaxRESTOrderPIAdd payment_instruction POST /store/{storeId}/cart/@self/payment_instruction payment_instruction PIAddCmd
AjaxRESTOrderRewardOptionUpdate cart PUT /store/{storeId}/cart/@self/update_reward_option cart RewardChoiceUpdateCmd

Order summary page (B2C)
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Order
POST AjaxRESTOrderSubmit
catalogId=10052
langId=-1
notifyMerchant=1
notifyOrderSubmitted=1
notifyShopper=1
orderId=13001
requesttype=ajax
storeId=10001
AjaxRESTOrderSubmit submits the order by reserving inventory and authorizing payment, and changing the order status.
The following parameters notify others of the order: notifyMerchant, notifyOrderSubmitted, notifyShopper.
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
AjaxRESTOrderSubmit cart POST /store/{storeId}/cart/@self/checkout cart OrderProcessCmd

Order summary page (B2B)
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Order
POST AjaxRESTOrderSubmit
catalogId=10052
langId=-1
notifyMerchant=1
notifyOrderSubmitted=1
notifyShopper=1
orderId=13001
requesttype=ajax
storeId=10001
AjaxRESTOrderSubmit submits the order by reserving inventory and authorizing payment, and changing the order status.
The following parameters notify others of the order: notifyMerchant, notifyOrderSubmitted, notifyShopper.
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
AjaxRESTOrderSubmit cart POST /store/{storeId}/cart/@self/checkout cart OrderProcessCmd

Quick order page
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Order
POST AjaxRESTOrderAddPreConfigurationToCart
calculateOrder=0
catalogId=10052
langId=-1
partNumber_1=HVT038_380201
quantity_1=1
requesttype=ajax
storeId=10001
AjaxRESTOrderAddPreConfigurationToCart adds an item into the shopping cart. The item can be a configured dynamic kit, but also can be a normal SKU. In this sample, it is a normal SKU.
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
AjaxRESTOrderAddPreConfigurationToCart cart POST /store/{storeId}/cart/@self/add_preconfiguration_to_cart cart OrderProcessCmd

Free gift page
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Apply
POST AjaxRESTOrderRewardOptionUpdate
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catalogId=10052
langId=-1
orderId=.
orderItemId=80001
requesttype=ajax
storeId=10001
AjaxRESTOrderItemDelete adds the selected SKU as a free gift into the cart..
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
AjaxRESTOrderRewardOptionUpdate cart PUT /store/{storeId}/cart/@self/update_reward_option cart RewardChoiceUpdateCmd

Quick checkout page
Checkout actions:
Checkout actions
Page action HTTP URL Sample parameters More information
Select shipping address
POST AjaxRESTOrderShipInfoUpdate
addressId=11801
allocate	=***
backorder=***
calculateOrder=1
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catalogId=10052
check=*n
langId=-1
orderId=.
remerge=***
requesttype=ajax
storeId=10001
addressId denotes the selected address ID.
The following parameters control ATP inventory: allocate, check, backorder, remerge. See OrderItemUpdate URL.
The following order abbreviations are used: ***, *n. See Order abbreviations.
Select shipping mode
POST AjaxRESTOrderShipInfoUpdate
allocate=***
backorder=***
calculateOrder=1
calculationUsage=-1,-2,-3,-4,-5,-6,-7
catalogId=10052
check=*n
langId=-1
orderId=.
remerge=***
requesttype=ajax
shipModeId=10053
storeId=10001
shipModeId denotes the selected shipping mode ID.
The following parameters control ATP inventory: allocate, check, backorder, remerge. See OrderItemUpdate URL.
The following order abbreviations are used: ***, *n. See Order abbreviations.
Apply promotion code
POST AjaxRESTPromotionCodeApply
catalogId=10251
finalView=AjaxOrderItemDisplayView
langId=-1
orderId=14001
promoCode=gggt
requesttype=ajax
storeId=10801
taskType=A
AjaxRESTPromotionCodeApply applies a promotion code to the current order (shopping cart).
taskType = A denotes an Apply operation.
Back
GET RESTOrderCalculate
calculationUsageId=-1&updatePrices=1&catalogId=10052
&errorViewName=AjaxCheckoutDisplayView&orderId=.&langId=-1
&storeId=10001&URL=https://localhost/webapp/wcs/stores
/servlet/AjaxCheckoutDisplayView
Re-calculates the order, then forwards it to the Shopping Cart page.
Next
POST AjaxRESTOrderPrepare
catalogId=10251
langId=-1
requesttype=ajax
storeId=10801
AjaxRESTOrderPrepare finalizes the order, including price, shipping, tax, and promotions. Then, it locks the order so that it is ready for submission.
POST AjaxRESTOrderPIAdd
account=4111111111111111
authToken=3006%2CQB64kwGO0u0CPr9d%2FMdUA9ZOoxw%3D
billing_address_id=12304
catalogId=10251
cc_brand=MasterCard
cc_cvc=555
expire_month=09
expire_year=2024
langId=-1
payMethodId=Master Card
piAmount=13.09000
requesttype=ajax
storeId=10801
AjaxRESTOrderPIAdd creates a payment instruction, including payment method and amount. An order can be paid for using multiple payment methods, each covering part of the order total amount.
URL to API mapping:
URL to API mapping
URL REST resource REST method Link to API Command mapping
AjaxRESTOrderShipInfoUpdate assigned_promotion_code POST /store/{storeId}/cart/@self/assigned_promotion_code assigned_promotion_code OrderItemUpdateCmd
AjaxRESTPromotionCodeApply cart PUT /store/{storeId}/cart/@self/precheckout cart PromotionCodeAddRemoveControllerCmd
RESTOrderCalculate payment_instruction POST /store/{storeId}/cart/@self/payment_instruction payment_instruction OrderCalculateCmd
AjaxRESTOrderPrepare cart PUT /store/{storeId}/cart/@self/update_reward_option cart OrderPrepareCmd
AjaxRESTOrderPIAdd payment_instruction POST /store/{storeId}/cart/@self/payment_instruction payment_instruction PIAddCmd

Related reference
Aurora starter store site flows
Checkout flows

Page action	HTTP URL	Sample parameters	More information
Change Attributes	POST AjaxRESTOrderItemDelete	calculationUsage=-1,-2,-3,-4,-5,-6,-7 catalogId=10052 langId=-1 orderId=. orderItemId=40001 requesttype=ajax storeId=10001	AjaxRESTOrderItemDelete deletes the order item for which the attributes need to be changed.
Change Attributes	POST AjaxRESTOrderItemAdd	calculationUsage=-1,-2,-3,-4,-5,-6,-7 catEntryId=10056 catalogId=10052 langId=-1 orderId=. quantity=1 requesttype=ajax storeId=10001	AjaxRESTOrderItemAdd adds a new order item using the SKU for the changed attributes.
Select your free gift	POST AjaxRESTOrderRewardOptionUpdate	calculationUsage=-1,-2,-5,-6,-7 catEntryId=10094 catEntryId=10040 orderId=15001 quantity=1 requesttype=ajax rewardOptionId=1 storeId=10001	AjaxRESTOrderRewardOptionUpdate adds the selected SKU as a free gift into the cart. Multiple gifts can be applied by repeating the catEntryId parameter.
Continue Checkout	GET RESTOrderItemUpdate	URL=https://hostname/webapp/wcs/stores/ servlet/UnregisteredCheckoutView?catalogId=10052 allocate=* backorder=* calculateOrder=1 calculationUsage=-1,-2,-3,-4,-5,-6,-7 check=n errorViewName=AjaxOrderItemDisplayView guestChkout=1 langId=1 orderId=. orderItemId=30004 remerge=** storeId=10001	Check out as guest. RESTOrderItemUpdate performs order calculation and inventory checks. The following parameters control ATP inventory: allocate, backorder, check. See OrderItemUpdate URL. The following order abbreviations are used: **, n. See Order abbreviations. UnregisteredCheckoutView is the first page of the guest user checkout flow. It enables users to enter shipping and billing information for the order.
Logon and Checkout	POST Logon	URL=https://hostname/webapp/wcs/stores/ servlet/RESTMoveOrderItem?updatePrices=0 &calculationUsageId=-1&createIfEmpty=1 &deleteIfEmpty=&continue=1&toOrderId=. &fromOrderId= &URL=RESTOrderCalculate%3FURL=https://hostname /webapp/wcs/stores/servlet/OrderShippingBillingView ?shipmentType=single&catalogId=10052&langId=-1&storeId =10001&calculationUsageId=-1&calculationUsageId=-2 &calculationUsageId=-7 catalogId=10052 errorViewName=AjaxOrderItemDisplayView logonId=xxxx logonPassword=xxxxxxx reLogonURL=AjaxOrderItemDisplayView storeId=10001	Check out as registered user. Use the URL parameter to form a command chain. First Logon, then RESTMoveOrderItem merges the guest cart with the registered user's cart, and then OrderShippingBillingView displays the shopping cart.

URL	REST resource	REST method	Link to API	Command mapping
RESTOrderItemUpdate	cart	PUT /store/{storeId}/cart/@self/update_order_item	cart	OrderItemUpdateCmd
RESTMoveOrderItem	cart	PUT /store/{storeId}/cart/move_order_item	cart	OrderItemMoveCmd
AjaxRESTOrderItemDelete	cart	PUT /store/{storeId}/cart/@self/delete_order_item	cart	OrderItemUpdateCmd
AjaxRESTOrderItemAdd	cart	POST /store/{storeId}/cart	cart	OrderItemAddCmd
AjaxRESTOrderRewardOptionUpdate	cart	PUT /store/{storeId}/cart/@self/update_reward_option	cart	RewardChoiceUpdateCmd

URL	REST resource	REST method	Link to API	Command mapping
AjaxRESTPromotionCodeApply	assigned_promotion_code	POST /store/{storeId}/cart/@self/assigned_promotion_code	assigned_promotion_code	PromotionCodeAddRemoveControllerCmd
AjaxRESTOrderPrepare	cart	PUT /store/{storeId}/cart/@self/precheckout	cart	OrderPrepareCmd
AjaxRESTOrderPIAdd	payment_instruction	POST /store/{storeId}/cart/@self/payment_instruction	payment_instruction	PIAddCmd
AjaxRESTOrderRewardOptionUpdate	cart	PUT /store/{storeId}/cart/@self/update_reward_option	cart	RewardChoiceUpdateCmd

Page action	HTTP URL	Sample parameters	More information
Change your free gift	POST AjaxRESTOrderRewardOptionUpdate	calculationUsage=-1,-2,-3,-4,-5,-6,-7 catEntryId=18044 orderId=14001 quantity=1 requesttype=ajax rewardOptionId=3 storeId=10801	AjaxRESTOrderRewardOptionUpdate changes the SKU as a free gift in the cart.
Apply promotion code	POST AjaxRESTPromotionCodeApply	catalogId=10251 finalView=AjaxOrderItemDisplayView langId=-1 orderId=14001 promoCode=gggt requesttype=ajax storeId=10801 taskType=A	AjaxRESTPromotionCodeApply applies a promotion code to the current order (shopping cart). taskType = A denotes an Apply operation.
Next	POST AjaxRESTOrderPrepare	catalogId=10251 langId=-1 requesttype=ajax storeId=10801	AjaxRESTOrderPrepare finalizes the order, including price, shipping, tax, and promotions. Then, it locks the order so that it is ready for submission.
Next	POST AjaxRESTOrderPIAdd	account=4111111111111111 authToken=3006%2CQB64kwGO0u0CPr9d%2FMdUA9ZOoxw%3D billing_address_id=12304 catalogId=10251 cc_brand=MasterCard cc_cvc=555 expire_month=09 expire_year=2024 langId=-1 payMethodId=Master Card piAmount=13.09000 requesttype=ajax storeId=10801	AjaxRESTOrderPIAdd creates a payment instruction, including payment method and amount. An order can be paid for using multiple payment methods, each covering part of the order total amount.

Page action	HTTP URL	Sample parameters	More information
Select shipping address	POST AjaxRESTOrderShipInfoUpdate	addressId=11801 allocate =* backorder=* calculateOrder=1 calculationUsage=-1,-2,-3,-4,-5,-6,-7 catalogId=10052 check=n langId=-1 orderId=. remerge=** requesttype=ajax storeId=10001	addressId denotes the selected address ID. The following parameters control ATP inventory: allocate, check, backorder, remerge. See OrderItemUpdate URL. The following order abbreviations are used: **, n. See Order abbreviations.
Select shipping mode	POST AjaxRESTOrderShipInfoUpdate	allocate=* backorder=* calculateOrder=1 calculationUsage=-1,-2,-3,-4,-5,-6,-7 catalogId=10052 check=n langId=-1 orderId=. remerge=** requesttype=ajax shipModeId=10053 storeId=10001	shipModeId denotes the selected shipping mode ID. The following parameters control ATP inventory: allocate, check, backorder, remerge. See OrderItemUpdate URL. The following order abbreviations are used: **, n. See Order abbreviations.
Apply promotion code	POST AjaxRESTPromotionCodeApply	catalogId=10251 finalView=AjaxOrderItemDisplayView langId=-1 orderId=14001 promoCode=gggt requesttype=ajax storeId=10801 taskType=A	AjaxRESTPromotionCodeApply applies a promotion code to the current order (shopping cart). taskType = A denotes an Apply operation.
Back	GET RESTOrderCalculate	calculationUsageId=-1&updatePrices=1&catalogId=10052 &errorViewName=AjaxCheckoutDisplayView&orderId=.&langId=-1 &storeId=10001&URL=https://localhost/webapp/wcs/stores /servlet/AjaxCheckoutDisplayView	Re-calculates the order, then forwards it to the Shopping Cart page.
Next	POST AjaxRESTOrderPrepare	catalogId=10251 langId=-1 requesttype=ajax storeId=10801	AjaxRESTOrderPrepare finalizes the order, including price, shipping, tax, and promotions. Then, it locks the order so that it is ready for submission.
Next	POST AjaxRESTOrderPIAdd	account=4111111111111111 authToken=3006%2CQB64kwGO0u0CPr9d%2FMdUA9ZOoxw%3D billing_address_id=12304 catalogId=10251 cc_brand=MasterCard cc_cvc=555 expire_month=09 expire_year=2024 langId=-1 payMethodId=Master Card piAmount=13.09000 requesttype=ajax storeId=10801	AjaxRESTOrderPIAdd creates a payment instruction, including payment method and amount. An order can be paid for using multiple payment methods, each covering part of the order total amount.

URL	REST resource	REST method	Link to API	Command mapping
AjaxRESTOrderShipInfoUpdate	assigned_promotion_code	POST /store/{storeId}/cart/@self/assigned_promotion_code	assigned_promotion_code	OrderItemUpdateCmd
AjaxRESTPromotionCodeApply	cart	PUT /store/{storeId}/cart/@self/precheckout	cart	PromotionCodeAddRemoveControllerCmd
RESTOrderCalculate	payment_instruction	POST /store/{storeId}/cart/@self/payment_instruction	payment_instruction	OrderCalculateCmd
AjaxRESTOrderPrepare	cart	PUT /store/{storeId}/cart/@self/update_reward_option	cart	OrderPrepareCmd
AjaxRESTOrderPIAdd	payment_instruction	POST /store/{storeId}/cart/@self/payment_instruction	payment_instruction	PIAddCmd