This page provides sample code and a description of the parameters included in CellPoint Digital Velocity's webhook callback requests. For an integration guide, see Webhooks. For the status changes for which Velocity sends callback requests, see Webhook Status Codes.

Sample callback

Below is a sample payload of the JSON callback request sent to the merchant:

{
	"client_id": 10018,
	"account_id": 1100,
	"session_id": 1234,
	"session_type":1,
	"callback_url": "callback",
	"sale_amount": { 
		"value": 1000, 
		"currency_id": 840,
		"decimals": 2, 
		"alpha3code": "PHP",
		"conversion_rate": 1
	},
	"pending_amount": { 
		"value": 1000, 
		"currency_id": 840,
		"decimals": 2,
		"alpha3code": "PHP",
		"conversion_rate": 1
	},
	"status": { 
		"code": 2000,
		"sub_code": 20102,
		"message": "message"
	},
	"additional_data": [
		{
			"name": "name",
			"text": "value"
		}
	],
	"transactions": [ 
		{
		"id": 1, 
		"route_config_id": 12,
		"order_id": "order_id",
		"description": "description",
		"fee": 0, 
		"hmac": "sdsfsfdsd", 
		"approval_code": "approval-code", 
		"wallet_id": "wallet-id", 
		"txn_type_id": 1, 
		"payment_method": "payment-method", 
		"payment_type": "payment-type", 
		"short_code": "short-code",
		"date_time": "date-time", 
		"local_date_time": "local-date-time", 
		"issuing_bank": "issuing-bank", 
		"foreign_exchange_id": 1, 
		"service_type_id":1, 
		"pos": 640, 
		"ip_address": "106.202.163.166", 
		"installment":0, 
		"accept_url": "//accept_url",
		"cancel_url": "//cancel_url",
		"amount": { 
			"value": 1000,
			"currency_id": 840,
			"decimals": 2,
			"alpha3code": "PHP",
			"conversion_rate": 1
			},
		"status": { 
			"code": 2000,
			"sub_code": 20102, 
			"message": "message", 
			"provider_message" : "provider_message", 
			"provider_status_code" : "code" 
			},
		"psp" : {
			"id": 18, 
			"name": "Wirecard", 
			"external-id": "external-id"
			},
		"card" : {
			"id": 7, 
			"name":"VISA",
			"mask_card_number": "4444********1111", 
			"expiry": "expiry",
			},
		"customer_info" : {
			"email": "email", 
			"country_id": 123, 
			"mobile": "9876543210", 
			"operator": 20000, 
			"language": "en", 
			"device_id": "device-id" 
			},
		"additional_data": [ 
			{
				"name": "name", 
				"text": "value" 
			}
		],
		"client_data": [ 
			{
				"name": "name", 
				"text": "value" 
			}
		],
		"product_info": [ 
			{
				"name": "name", 
				"quantity": 1, 
				"price": 1 
			}
		],
		"delivery_info": [ 
			{
				"name": "name", 
				"text": "value" 
			}
		],
		"shipping_info": [ 
			{
				"name": "name", 
				"text": "value" 
			}
		],
		"billing_address": { 
			"first_name": "First", 
			"last_name": "Last", 
			"street": "Test St.", 
			"city": "Test City", 
			"state": "Abra", 
			"country": "Philippines", 
			"postal_code": "12345", 
			"alpha2code": "PH",
			"mobile": "9999999999", 
			"email": "[email protected]", 
			"billing_idc": "1" 
			},
		"fraud": { 
			"status_code": "Post Auth Success", 
			"status_desc": "Post Auth Success", 
			"post_auth_ext_id": "6255590973676885104011", 
			"post_auth_ext_status_code": "ACCEPT", 
			"pre_auth_ext_id":"77777777", 
			"pre_auth_ext_status_code" : "ACCEPT" 
			},	 
		"order_data": { 
			"ticket_no": 12345, 
			"profiles": [ 
				{
					"id": 1, 
					"title": "Title1", 
					"first_name": "fName", 
					"last_name": "lName", 
					"type": "ADT", 
					"email": "[email protected]", 
					"mobile": "8989898989", 
					"country_id": "130", 
					"amount": "20000", 
					"seq": "1", 
					"additional_data": [ 
						{
							"name": "name1",
							"value": "val1"
						},
						{
							"name": "name2",
							"value": "val2"
						}
					]
				}
			],
			"trips": [
				{
					"id": 1, 
					"service_class": "G",  
					"departure_airport": "DVO", 
					"arrival_airport": "MNL", 
					"op_airline_code": "5J", 
					"mkt_airline_code": "1", 
					"arrival_date": "2028-05-21 01:20:00", 
					"departure_date": "2028-05-20 23:20:00",  
					"additional_data": [ 
						{
							"name": "name1",
							"value": "val1"
						},
						{
							"name": "name2",
							"value": "val2"
						}
					],	
					"mkt_flight_number": "962",  
					"op_flight_number": "XYZ", 
					"tag": "1", 
					"trip_count": "1", 
					"service_level": "3",  
					"departure_country_id": "130", 
					"arrival_country_id": "150",  
					"dept_time_zone": "+08:00", 
					"arrival_time_zone": "+08:00",  
					"arrival_terminal": "testAT1", 
					"dept_terminal": "testDT1",  
					"dept_city": "Francisco Bangoy International Airport", 
					"arrival_city": "Ninoy Aquino International Airport",  
					"aircraft_type": "1" 
				} 
			],
			"billing_summary": { 
				"fare_details": [ 
					{
						"id": 1, 
						"journey_ref": "", 
						"bill_type": "Fare", 
						"description": "Localization Key - SEAT PRICE",  
						"amount": "20000", 
						"currency": "PHP", 
						"profile_seq": "1", 
						"trip_tag": "1", 
						"trip_seq": "1", 
						"product_code": "YSTR",  
						"product_category": "TAX", 
						"product_item": "Sales Tax Colombia" 
					}
				],
				"add_on": [ 
					{ 
						"id": 4, 
						"journey_ref": "", 
						"bill_type": "Addon", 
						"description": "Localization Key - SEAT PRICE",  
						"amount": "20000", 
						"currency": "PHP",  
						"profile_seq": "2",  
						"trip_tag": "2", 
						"trip_seq": "2", 
						"product_code": "YSTR", 
						"product_category": "TAX", 
						"product_item": "Sales Tax Colombia"  
					} 
				]
			}
			},
		},
	],
  "signature": "175f37bb6094bbb...",
  "endpoint_url" : "https://example.dev/cmd/callback/notify_client",
  "content_type" : "3",
  "max_retry" : "3",
  "event_type" : "PAYMENT_EVENT",
  "event_subtype" : "PAYMENT_TRANSACTION_EVENT"
}

JSON callback parameters

Content-type: application/json
HTTP: POST

The following parameters are sent in the callback:

Parameter	Format	Requirement	Description
`client_id`	Integer	Required	The client ID shared by CellPoint Digital.
`account_id`	Integer	Required	The account ID shared by CellPoint Digital.
`session_id`	Integer	Required	The CellPoint Velocity session ID for the payment transaction.
`session_type`	String	Optional	The type of session. Possible values: `1` - Normal Payment `2` - Split Payment
`callback_url`	String	Optional	The callback URL.
`sale_amount`	Object	Required	This object describes the original/checkout/sale amount. See the sale_amount section below for its contents.
`pending_amount`	Object	Optional	This object describes the pending amount. See the pending_amount section below for its contents.
`status`	Object	Required	This object describes the status of the transaction. See the status section below for its contents.
`additional_data`	Array	Optional	This array provides additional data. See the additional_data section below for its contents.
`transactions`	Array	Required	This array provides information on one or more transactions. See the transactions section below for its contents.
`signature`	String	Optional	The HMAC signature.
`endpoint_url`	String	Optional	Internal code.
`content_type`	Integer	Optional	Internal code.
`max_retry`	Integer	Optional	Internal code.
`event_type`	String	Optional	Internal code.
`event_subtype`	String	Optional	Internal code.

`sale_amount`

The sale_amount object is required, and it has the following children:

Parameter	Format	Requirement	Description
`value`	Integer	Required	The original/checkout/sale amount in the lowest denomination of the currency used according to ISO-4217. For example, USD 481.00 is sent as `48100`.
`currency_id`	Integer	Required	The numeric ISO-4217 currency ID.
`decimals`	Integer	Optional	The currency precision, expressed in the number of digits after the decimal separator. Possible values: `0`, `2`, `3`.
`alpha3code`	String	Optional	The 3-letter alpha ISO-4217 currency code.
`conversion_rate`	Integer	Optional	The conversion rate.

`pending_amount`

The pending_amount object is optional, and it has the following children:

Parameter	Format	Requirement	Description
`value`	Integer	Conditional Requirement: Required if `pending_amount` is present.	The original/checkout/sale amount in the lowest denomination of the currency used according to ISO-4217. For example, USD 481.00 is sent as `48100`.
`currency_id`	Integer	Conditional Requirement: Required if `pending_amount` is present.	The numeric ISO-4217 currency ID.
`decimals`	Integer	Optional	The currency precision, expressed in the number of digits after the decimal separator.
`alpha3code`	String	Optional	The 3-letter alpha ISO-4217 currency code.
`conversion_rate`	Number	Optional	The conversion rate.

`status`

The status object is required, and it has the following children:

Parameter	Format	Requirement	Description
`code`	Integer	Required	A code indicating the status of the transaction.
`sub_code`	Integer	Optional	A subcode giving further information on the status of the transaction.
`message`	String	Required	The status message of a session.

`additional_data`

The additional_data array is optional. Each element in the array must have the following parameters:

Parameter	Format	Requirement	Description
`name`	String	Conditional Requirement: Required if `additional_data` is present.	The name of the name-value pair.
`text`	String	Conditional Requirement: Required if `additional_data` is present.	The value of the name-value pair.

`transactions`

The transactions array is required. Each object in the array describes one transaction, and it contains the following:

Parameter	Format	Requirement	Description
`id`	Integer	Required	CellPoint Digital's unique ID for the payment transaction.
`route_config_id`	Integer	Required	The route configuration ID. If legacy routing is configured for the merchant, then this value is `0`.
`order_id`	String	Required	The order ID that the merchant originally provided when the transaction was initiated. For airlines, this is the passenger number record (PNR).
`description`	String	Optional	A description of the transaction.
`fee`	Integer	Optional	A fee that the merchant charges a customer in the lowest denomination of the currency used according to ISO-4217. For example, USD 481.00 is sent as `48100`. If not applicable, this value defaults to `0`.
`hmac`	String	Conditional Requirement	The Message Authentication Code (MAC). It is calculated by creating a SHA-512 hash comprising the input fields in the order listed in the Message Authentication Code table in Reference. MAC calculation secures the information sent by the merchant to Velocity by applying the SHA-512 encryption algorithm on key parts of the information sent to protect against tampering. The "salt" is the merchant's shared secret string used to ensure that MAC is unique. Note: CellPoint Digital provides the salt value to merchants. Conditional parameters in the Message Authentication Code table are optional in `hmac` if not provided in request; if those parameters are present in request, they are mandatory in `hmac`.
`approval_code`	String	Optional	The approval code provided by the PSP for a transaction. Available for card payments only.
`wallet_id`	String	Optional	The ID of the wallet used. This will be present for wallet-based transactions only.
`txn_type_id`	Integer	Required	The transaction type ID. See Reference for possible values.
`payment_method`	String	Required	The type of method used for payment. Possible values: `DD` - Direct Debit (Online payment) `CD` - Credit/Debit Card (Card payment) `eWallet` - Wallet `Cash` - Other payment methods
`payment_type`	String	Required	The numerical code for the type of payment. See Reference for possible values.
`short_code`	String	Conditional Requirement: This can be mandatory or optional, depending on configuration.	The short code for the payment.
`date_time`	String, in `YYYY-MM-DDTHH:MM:SS` format	Required	The date and time when the transaction was initiated in UTC.
`local_date_time`	String	Optional	The merchant's time and date when the transaction was initiated (if the time zone is set up for the merchant during onboarding). The attribute name will not be available if this is not sent.
`issuing_bank`	String	Optional	The issuing bank name for a payment transaction requested through an online banking payment option, if available. The attribute name will not be available if this is not sent.
`foreign_exchange_id`	String	Optional	The foreign exchange ID. This is a unique CellPoint Digital-specific identification number for a currency exchange offer.
`service_type_id`	Integer	Optional	A value to indicate the type of exchange services used for a transaction. The ID indicates if the FX services such as DCC, MCP, and PCC are opted. The ID is a two-digit number XY in which: X - Represents the type of FX used in a transaction. Y - Represents the service used-- it can be: Opt-in, which has value as `1` Opt-out, which has value as `2` The Exchange Service ID table shows the possible values.
`pos`	Integer	Optional	The point of sale of the transaction, expressed as the country ID. See Reference for possible values.
`ip_address`	String	Optional	The IP address of the transaction initiation.
`installment`	Integer	Optional	The number of installments selected if a customer chooses to pay in installments.
`accept_url`	String	Optional	The accept URL.
`cancel_url`	String	Optional	The cancel URL.
`amount`	Object	Required	Transaction amount details. See the `amount` section below.
`sale_amount`	Object	Optional	Sale amount details. The structure of this object is identical to that of the `sale_amount` object at the same hierarchical level as `transactions`. For more information, refer to that object's description in the `sale_amount` section above.
`status`	Object	Required	Transaction status details. See the `status` section below.
`psp`	Object	Conditional Requirement: This object may be mandatory or optional, depending on the PSP.	Payment service provider (PSP) details. See the `psp` section below.
`card`	Object	Optional	Card details. See the `card` section below.
`rebilling_info`	Object	Conditional Requirement: This can be mandatory or optional, depending on configuration.	Rebilling information for Merchant Initiated Transaction (MIT) or Customer Initiated Transaction (CIT). See the `rebilling_info` section below.
`customer_info`	Object	Required	Customer information. See the `customer_info` section below.
`additional_data`	Array	Optional	Additional data. The structure of this array is identical to that of the `additional_data` object at the same hierarchical level as `transactions`. For more information, refer to that array's description in the `additional_data` section above.
`client_data`	Array	Optional	Client data. See the `client_data` section below.
`product_info`	Array	Optional	Product information. See the `product_info` section below.
`delivery_info`	Array	Optional	Delivery information. See the `delivery_info` section below.
`shipping_info`	Array	Optional	Shipping information. See the `shipping_info` section below.
`billing_address`	Object	Optional	The billing address. See the `billing_address` section below.
`fraud`	Object	Conditional Requirement: This can be mandatory or optional, depending on configuration.	Fraud details. See the `fraud` section below.
`tms_info`	Object	Conditional Requirement: This can be mandatory or optional, depending on configuration.	TMS information. See the `tms_info` section below.
`order_data`	Object	Optional	Order data. This can include Airline Itinerary Data (AID). See the `order_data` section below.

`amount`

Parent: transactions

The amount object is required, and it contains the following children:

Name	Format	Requirement	Description
`value`	Integer	Required	The transaction amount, expressed as an integer including the precision of `decimals` in `amount`. For example, if `decimals` is `2` and `value` is `12030`, the transaction amount is 120.30.
`currency_id`	Integer	Required	The currency ID for the transaction amount. See Reference for possible values.
`decimals`	Integer	Optional	The currency precision for the transaction amount; for example, `2` for USD (which is written with two units after the decimal, as in $1.00.)
`alpha3code`	String	Optional	The alpha-3 currency code for the transaction amount. See Reference for possible values.
`conversion_rate`	Integer	Optional	The conversion rate.

`sale_amount`

Parent: transactions

The sale_amount object in transactions is required. Its structure is identical to that of the sale_amount object at the same hierarchical level as transactions. For more information, refer to that object's description in the sale_amount section above.

`status`

Parent: transactions

The status object in transactions is required, and it has the following children:

Parameter	Format	Requirement	Description
`code`	Integer	Required	A code indicating the status of the transaction.
`sub_code`	Integer	Optional	A subcode giving further information on the status of the transaction.
`message`	String	Required	The status message of a session.
`provider_message`	String	Optional	The provider message.
`provider_status_code`	String	Optional	The provider status code.

`psp`

Parent: transactions

The psp object may be mandatory or optional, depending on the payment service provider (PSP). It has the following children:

Name	Format	Requirement	Description
`id`	Integer	Conditional Requirement: This may be mandatory or optional, depending on the PSP.	The PSP ID. This is provided by CellPoint Digital for internal reference.
`name`	String	Conditional Requirement: This may be mandatory or optional, depending on the PSP.	The PSP name.
`external-id`	String	Conditional Requirement: This may be mandatory or optional, depending on the PSP.	The PSP external ID.

`card`

Parent: transactions

The card object is optional, and it has the following children:

Name	Format	Requirement	Description
`id`	Integer	Optional	The card ID. See Reference for possible values.
`name`	String	Optional	The card name.
`mask_card_number`	String	Optional	The masked card number (with the first six and last four digits visible), if present for the transaction.
`expiry`	String	Optional	The masked card expiry date (in `YYYY-MM` format), if present for the transaction. This is available for card payments only. If not applicable, defaults to this value: `-`

`rebilling_info`

Parent: transactions

The rebilling_info object can be mandatory or optional, depending on configuration, and it has the following children:

Name	Format	Requirement	Description
`id`	Integer	Optional	The rebilling info ID.
`frequency`	Integer	Optional	The rebilling frequency.
`expiry`	String	Optional	The expiry date.

`customer_info`

Parent: transactions

The customer_info object is required, and it has the following children:

Name	Format	Requirement	Description
`email`	String	Optional	The customer's email address.
`country_id`	Integer	Optional	The CellPoint Digital mobile country ID. See Reference for possible values.
`mobile`	String	Optional	The MSISDN of the end customer without an International Code (if available). Defaults to`0` if not applicable or available.
`operator`	Integer	Optional	The ID of a customer’s Mobile Network Operator as per CellPoint Digital's defined codes: A typical value is the value of `country_id` multiplied by 100 (if available). Defaults to `0` if not applicable.
`language`	String	Required	The default language encoding selected during client onboarding. This includes: `DA` - Danish `EN` - English `ES` - Spanish `GB` - UK English `PT` - Portuguese `SV` - Spanish Salvador `US` - United States English
`device_id`	String	Optional	The device ID of the customer (if available).

`additional_data`

Parent: transactions

The additional_data array in transactions is optional. Its structure is identical to that of the additional_data array at the same hierarchical level as transactions. For more information, refer to that array's description in the additional_data section above.

`client_data`

Parent: transactions

The client_data array is optional. Each element in the array must have the following parameters:

Parameter	Format	Requirement	Description
`name`	String	Conditional Requirement: Required if `client_data` is present.	The client data name.
`text`	String	Conditional Requirement: Required if `client_data` is present.	The client data value.

`product_info`

Parent: transactions

The product_info array is optional. Each element in the array must have the following parameters:

Parameter	Format	Requirement	Description
`name`	String	Conditional Requirement: Required if `product_info` is present.	The product name.
`quantity`	Integer	Conditional Requirement: Required if `product_info` is present.	The quantity.
`price`	Integer	Conditional Requirement: Required if `product_info` is present.	The price.

`delivery_info`

Parent: transactions

The delivery_info array is optional. Each element in the array must have the following parameters:

Parameter	Format	Requirement	Description
`name`	String	Conditional Requirement: Required if `delivery_info` is present.	The delivery info name.
`text`	String	Conditional Requirement: Required if `delivery_info` is present.	The delivery info value.

`shipping_info`

Parent: transactions

The shipping_info array is optional. Each element in the array must have the following parameters:

Parameter	Format	Requirement	Description
`name`	String	Conditional Requirement: Required if `shipping_info` is present.	The shipping info name.
`text`	String	Conditional Requirement: Required if `shipping_info` is present.	The shipping info value.

`billing_address`

Parent: transactions

The billing_address object is optional, and it has the following children:

Parameter	Format	Requirement	Description
`first_name`	String	Conditional Requirement: Required if `billing_address` is present.	The first name in the cardholder billing address.
`last_name`	String	Conditional Requirement: Required if `billing_address` is present.	The last name in the cardholder billing address.
`street`	String	Optional	The street address in the cardholder billing address.
`city`	String	Optional	The city name in the cardholder billing address.
`state`	String	Optional	The cardholder billing address state/region as provided by the user.
`country`	String	Optional	The cardholder billing address country code, as per CellPoint Digital's defined codes. See Reference for possible values.
`postal_code`	String	Optional	The zip code or postal code in the cardholder billing address.
`alpha2code`	String	Optional	The alpha-2 country code.
`mobile`	String	Optional	The cardholder's mobile number.
`email`	String	Optional	The cardholder's email address.
`billing_idc`	Integer	Optional	The cardholder's mobile dialling country code, provided as per ISO IDC codes.

`fraud`

Parent: transactions

The fraud object can be mandatory or optional, depending on configuration, and it has the following children:

Name	Format	Requirement	Description
`status_code`	String	Conditional Requirement: Required if `fraud` is present.	The final fraud status code; for example, `3011` or `3111` if the fraud flow is executed.
`status_desc`	String	Conditional Requirement: Required if `fraud` is present.	The final fraud status description; for example, `Accepted` or `Review` if the fraud flow is executed.
`post_auth_ext_id`	String	Optional	The post-auth fraud check system transaction ID, if the post-auth fraud flow is executed.
`post_auth_ext_status_code`	String	Optional	The post-auth fraud check system response code, if the post-auth fraud flow is executed.
`pre_auth_ext_id`	String	Optional	The pre-auth fraud check system transaction ID, if the pre-auth fraud flow is executed.
`pre_auth_ext_status_code`	String	Optional	The pre-auth fraud check system response code, if the pre-auth fraud flow is executed.
`pre_auth_provider_id`	Integer	Optional	The pre-auth provider ID.
`post_auth_provider_id`	Integer	Optional	The post-auth provider ID.
`pre_auth_fraud_status`	Integer	Optional	The pre-auth fraud status.
`post_auth_fraud_status`	Integer	Optional	The post-auth fraud status.

`tms_info`

Parent: transactions

The tms_info object can be mandatory or optional, depending on configuration, and it has the following children:

Name	Format	Requirement	Description
`tms_provider_code`	Integer	Optional	The TMS provider code; for example, `403`.
`tms_provider_message`	String	Optional	The TMS provider message; for example, `The IP Address is invalid`.

`order_data`

Parent: transactions

The order_data object is optional, and it has the following children:

Name	Format	Requirement	Description
`product_sku`	String	Optional	The short code for travel itinerary; for example, PNR and order number.
`amount`	Object	Optional	Transaction amount details. The structure of this object is identical to that of the `amount` object that is a child of `transactions`. For more information, refer to that object's description in the `amount` section above.
`ticket_no`	String	Optional	The ticket number.
`profiles`	Array	Optional	An array of profile objects, which provides traveler information for the travel itinerary. See the `profiles` section below.
`trips`	Array	Optional	An array of the trip object, which provides trip information for the travel itinerary. See the `trips` section below.
`billing_summary`	Object	Optional	The billing summary for the order, which includes an array of fare details and billing add-ons for the travel itinerary. See the `billing_summary` section below.

`profiles`

Parents: transactions: order_data

The profiles array is optional. Each element in the array has the following parameters:

Name	Format	Requirement	Description
`id`	Integer	Conditional Requirement: Required if `profiles` is present.	The passenger's profile ID.
`title`	String	Optional	The title of a passenger, such as `Mr.`, `Mrs.`, or `Ms.`
`first_name`	String	Optional	First name of the passenger.
`last_name`	String	Optional	Last name of the passenger.
`type`	String	Optional	The type of a passenger, such as adult, child, or infant.
`email`	String	Optional	The email ID of a passenger.
`mobile`	Integer	Optional	The mobile number of the passenger.
`country_id`	String	Optional	Country ID.
`amount`	String	Optional	Amount.
`seq`	Integer	Optional	The sequence number of the passenger
`additional_data`	Array	Optional	An array of additional data in name-value pairs. The structure of this array is identical to that of the `additional_data` object at the same hierarchical level as `transactions`. For more information, refer to that array's description in the `additional_data` section above.

`trips`

Parents: transactions: order_data

The trips array is optional. Each element in the array has the following parameters:

Name	Format	Requirement	Description
`id`	Integer	Optional	Trip ID.
`service_class`	String	Optional	The booking class (RBD – first letter of fare-basis); for example, `H`.
`departure_airport`	String	Optional	Departure airport code.
`arrival_airport`	String	Optional	Arrival airport code.
`op_airline_code`	String	Optional	The 2-letter airline code.
`mkt_airline_code`	String	Optional	The 2-letter airline code of the operating airline.
`arrival_date`	String	Optional	The date and time of arrival, in `YYYY-MM-DD HH:MM:SS` format.
`departure_date`	String	Optional	The date and time of departure, in `YYYY-MM-DD HH:MM:SS` format.
`additional_data`	Array	Optional	An array of additional data in name-value pairs. The structure of this array is identical to that of the `additional_data` object at the same hierarchical level as `transactions`. For more information, refer to that array's description in the `additional_data` section above.
`mkt_flight_number`	String	Optional	Flight number.
`op_flight_number`	String	Optional	Flight number of the operating flight.
`tag`	String	Optional	The sequence of this trip in the journey.
`trip_count`	String	Optional	Number of trip sequences in the journey.
`service_level`	String	Optional	The cabin class opted; for example, `XL`, `X`, `M`, or `S`.
`departure_country_id`	String	Optional	Departure country ID.
`arrival_country_id`	String	Optional	Arrival country ID.
`dept_time_zone`	String	Optional	The local time zone of the flight origin, such as `-5:00`.
`arrival_time_zone`	String	Optional	The local time zone of the flight arrival, such as `-5:00`.
`arrival_terminal`	String	Optional	Arrival terminal.
`dept_terminal`	String	Optional	Departure terminal.
`dept_city`	String	Optional	Departure city.
`arrival_city`	String	Optional	Arrival airport city.
`aircraft_type`	String	Optional	The aircraft type; for example, `Airbus A380`.

`billing_summary`

Parents: transactions: order_data

The billing_summary array is optional. Each element in the array has the following parameters:

Name	Format	Requirement	Description
`fare_details`	Array	Optional	The fare details of the journey. See the `fare_details` section below.
`add_on`	Array	Optional	Fees for ancillary services. See the `add_on` section below.

`fare_details`

Parents: transactions: order_data: billing_summary

The fare_details array is optional. Each element in the array has the following parameters:

Name	Format	Requirement	Description
`id`	Integer	Required	The ID of this fare.
`journey_ref`	String	Optional	Journey reference.
`bill_type`	String	Optional	Bill type.
`description`	String	Optional	The description of the fare in this object.
`amount`	String	Optional	The fare amount.
`currency`	String	Optional	The alpha3 ISO currency code of the fare amount.
`profile_seq`	String	Optional	The sequence number of the passenger linked to this fare detail.
`trip_tag`	String	Optional	The tag number associated with a trip, which helps identify a trip.
`trip_seq`	String	Optional	The trip sequence number to identify this trip in the journey.
`product_code`	String	Optional	The code number to identify the product.
`product_category`	String	Optional	The code number to identify the product category.
`product_item`	String	Optional	The code number to identify the product item.

`add_on`

Parents: transactions: order_data: billing_summary

The add_on array is optional. Each element in the array has the following parameters:

Name	Format	Requirement	Description
`id`	Integer	Required	The ID of this add-on ancillary.
`journey_ref`	String	Optional
`bill_type`	String	Optional
`description`	String	Optional	The description of the add-on fee in this object.
`amount`	String	Optional	The amount of the add-on fee.
`currency`	String	Optional	The alpha3 ISO currency code of the add-on amount.
`profile_seq`	String	Optional	The sequence number of the passenger linked to this add-on.
`trip_tag`	String	Optional	The tag number associated with a trip, which helps identify a trip.
`trip_seq`	String	Optional	The trip sequence number to identify this trip in the journey.
`product_code`	String	Optional	The code number to identify the add-on product.
`product_category`	String	Optional	The code number to identify the add-on product category.
`product_item`	String	Optional	The code number to identify the add-on product item.