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NDC Release Notes

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Mixed cabin class at reshop for ticketed orders (21.3)
  2. Addition of CLID in OrderCreate (21.3)
  3. Decoupling of CLID and FQTV (21.3)
  4. Open ticket enhancement – refund retained ticket value (21.3)

General notices to partners

  1. Clarification regarding booking of flights operated by OALs
  2. Clarification regarding selection of seats for flights operated by OALs
  3. Reporting API outages/incidents to SQ NDC

Click here to download August 2026 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Force PTC option at shopping
  2. ATC logic for bound reshop

General notices to partners

  1. Singapore Airlines live with Visual Content on RouteHappy

Click here to download April 2026 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Changes to storage of Seller contact details in PNR
  2. OfferPrice upsell to view more fare options for an offer

General Notices to Partners

  1. ACC-IATA mandate – SSR DOCS increase document field from 15 to 25 characters
  2. 21.3 OrderRetrieveRS API minor change - CabinTypeName

Click here to download December 2025 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Mixed cabin class at reshop (for unticketed orders)
  2. 21.3 OrderReshopRS API minor change – Refund improvement

General Notices to Partners

Click here to download November 2025 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Open ticket – cancel an order without refund and reuse ticket value
  2. Updated fare conditions returned in <PriceClassList>

General Notices to Partners

  1. Clarification regarding changes in self-eligibility rule for self-reaccommodation
  2. Clarification regarding eligibility criteria for Emergency Exit (EMEX) seat selection

Click here to download September 2025 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Baseline activation of self-reaccommodation (SREAC) functionality for involuntary servicing

General Notices to Partners

Click here to download August 2025 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Add corporate code at OrderReshop
  2. Addition/deletion of passenger’s contact information (CTCE/CTCM)
  3. SQ Meal Selection in NDC
  4. 21.3 OrderQuote API grammar change – <AlaCarteOffer> changed to <RequotedOffer>

General Notices to Partners

  1. Clarification regarding blocking payment and issuances of chargeable ancillaries added outside of the NDC channel

Click here to download July 2025 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Addition/Deletion of Passenger’s Passport Information
  2. Cross sale enabled for chargeable seats via interline-EMD on AC and SK
  3. Waitlist in NDC

General Notices to Partners

  1. Reminder regarding display of Point of Origin (POO) fares and Currencies
  2. Reminder regarding booking with Infants
  3. Clarification regarding selected ancillaries after flight changes
    1. Automated Issuance Limit (AIL) for ancillaries
    2. Potential for ancillaries to drop after flight changes

Click here to download April 2025 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Known Traveller Number (KTN) Input in NDC
  2. Name Correction in NDC

General Notices to Partners

  1. Clarification regarding handling of passengers with no first/last name
  2. Implementation recommendation for paid excess baggage ancillary services

Click here to download February 2025 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. ARC Void Window

General Notices to Partners

  1. Clarification of Penalty Application and Fare Rules
  2. Managing Disruptions on NDC
    1. OCN
    2. Involuntary Servicing (Acknowledgement/Rebooking/Refund)

Click here to download December 2024 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Order List API
  2. Addition of Frequent Flyer Number post-booking

General Notices to Partners

  1. Addition of FQTV and CLID during Prime Booking
  2. Clarification regarding selected seats after flight changes

Click here to download October 2024 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Enhanced modify unpaid order to align shopping mode

General Notices to Partners

Click here to download August 2024 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Shopping for itineraries with stopovers
  2. Shopping for direct or non-stop flights
  3. Enhanced repricing parameters in prime booking flow
  4. Exchange with waiver of change penalty fees
  5. Refund with waiver service request in NDC

General Notices to Partners

  1. Processing refunds for coupons in ‘Checked-in’ status
  2. Clarification regarding identifying seats eligible for booking in Seat Selection

Click here to download July 2024 release notes and General Notice

Release of Altea NDC Version 21.3 for Singapore Airlines

  1. Introduction
  2. Iso-functional Deployment of version 21.3
  3. New Functionality on 21.3 in 2024
  4. Migration Considerations
  5. Migration Process
  6. Notable Implementation Changes

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Removing Free and Unpaid Services Post Booking
  2. Add, Remove or Update Order Elements (21.3 Only)
    1. Regulatory Information
    2. Contact Information
    3. Frequent Flyer Information

Click here to download February 2024 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Continuous Pricing on NDC
  2. Enhanced repricing capabilities during deferred exchange flow
  3. Holding existing reservation during deferred exchange flow
  4. Activation of 'AgencyID' field in OrderChangeNotification message
  5. Usage of PTC INF for PH tax exemption
  6. Increased number of bounds supported in AirShopping
  7. Sale of Chargeable Seats in NDC for select Lufthansa Group (LHG) Operated Flights
  8. Involuntary Servicing on NDC

General Notices to Partners

  1. Usage of Stateless Transactions
  2. Clarification regarding Amount to be Paid for deferred exchange transactions

Click here to download December 2023 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Involuntary Refund on NDC

Upcoming Features on SIA NDC

  1. SQ NDC on IATA NDC version 21.3

Click here to download June 2023 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. 'Void then Refund' Mode
  2. Inclusion of Voided transactions for ARC Reporting
  3. New OrderChangeNotif Reason Codes
  4. Improvement in representation of XF Tax in OrderReshop

Upcoming Features on SIA NDC

  1. Involuntary Servicing Features
  2. Continuous Pricing in NDC

General Notices to Partners

  1. Revision to process for managing Production Incidents
    1. Overview of support process
    2. Template for incident reporting

Click here to download January 2023 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Revision of Sales Confirmation Process (and Void Window)
  2. Adjustment of SPRF Reporting File Timing
  3. Support for domestic credit card transactions via BSP in Korea

General Notices to Partners

  1. Complimentary Rebooking Policy applicability after 31 Jul
  2. Ticket Re-validation & Penalty Collection in ARC

Click here to download August 2022 release notes and General Notice

Updates to SIA NDC Functionality

The following improvements are now available through the SIA NDC connection for usage by partners:

  1. Repricing Enhancements
    1. Repricing when no longer eligible for original Offer
    2. Repricing when Offer context has changed
  2. Fare Guarantee Time Limit
  3. Increased Offer Recommendation Limits
  4. OrderChangeNotification Enhancements
  5. Service Catalogue Enhancements

General Notices to Partners

  1. Mandatory Implementation of Servicing Functionality
  2. Common Ticketing Rejections

Click here to download May 2022 release notes and General Notice

Feature API Affected Live Test Action for Partners
Enhancements to E-Ticket Endorsement Box OrderCreate /
OrderChange
Live SQ NDC now supports storing and input of additional data in the E-ticket endorsement box to improve mid/back-office processes. New information can be added (a) automatically or (b) manually as free text to the endorsement box.

General Notice

Singapore Airlines will be launching ARC settlement in the US market on 10 February 2022. ARC Cash and Credit Card forms of payment will be supported on SQ NDC. 3D-Secure is also supported for ARC Credit Card transactions.

Onboarding of ARC-accredited agents to their respective GDS / Tech Partners commences on the week of 7 February 2022. Thereafter, successfully onboarded agents may start accessing SQ NDC content and transact sales in the live environment.

Click here to download Jan 22 release notes and General Notice
Feature API Affected Live Test Action for Partners
Enhanced Servicing Capability – Modify Unpaid Order OrderReshop/
OrderChange
Test on 15Dec SQ NDC now has the capability for Partners/Sellers to re-shop an unpaid Order by modifying one or some bounds while retaining the unchanged flights, without processing payment. Partners who wish to support such a servicing flow should integrate the new functionality.
Enhanced Servicing Capability – Modify Paid Order without Payment Processing/Document Exchange OrderReshop/
OrderChange
Available in Test/
Live on 15Dec
SQ NDC now has the capability for Partners/Sellers to modify ticketed Orders whilst deferring payment processing and document exchange. This capability allows Partners/Sellers to perform in two separate steps: (i) modification of the booked flight segments and (ii) processing of payment and update/exchange of tickets. Partners who wish to support such a servicing flow should integrate the new functionality.
Additional Data for One-Way Display in OfferPrice Upsell OfferPrice Available in Test/
Live on 15Dec
Singapore Airlines now returns brief Vaccinated Travel Lane information within <Disclaimer> in <PriceClassList>. Partners should review their implementation if they wish to display such information.
Additional Data in OrderCancelRS OrderCancel Available in Test/
Live on 3Dec
SQ NDC now support One-Way Display (OWD) mode for OfferPrice Upsell queries. Additional data will be provided in the response to provide partners with the price per bound in this flow. Partners utilizing OWD and this flavour of OfferPrice may choose to review their implementations to take advantage of the additional data
AirlineProfile and AirShopping Optimization AirShopping/
AirlineProfile
Live SQ NDC now offers an additional verb AirlineProfile which allows Sellers/Partners to request for a list of valid Origin and Destination pairs relevant to the NDC airline. Partners should integrate AirlineProfile in order to improve their traffic quality.
Click here to download Nov21 release notes
Feature API Affected Live Test Action for Partners
Fare Prioritization Logic in Shopping AirShopping/
OrderReshop
Live on 15Oct Partners to take note of the new expected output from the shopping process and inform their users if necessary. The activation is planned for 15Oct. For clarifications, please reach out to your Implementation Leads.
One-Way Display in OrderReshop OrderReshop Live on 15Oct Partners who are utilizing OWD in AirShopping will have OWD activated in OrderReshop in Production from 15Oct.
Vaccinated Travel Lane Information in NDC API Response OfferPrice/
OrderReshop
(Price)
Live Singapore Airlines now returns brief Vaccinated Travel Lane information within <Disclaimer> in <PriceClassList>. Partners should review their implementation if they wish to display such information.

Upcoming Developements

Feature API Affected Live Test Action for Partners
Advanced Order Servicing OrderReshop /
OrderChange/
Phases beginning in End Q3 2021 SQ NDC has new servicing capabilities which are planned to be released starting in Sep 2021 which will allow Sellers the capability to perform:
Re-booking on held itineraries
Re-book itineraries and re-issue/re-validate tickets in a deferred flow
Seller Remuneration Handling OfferPrice /OrderReshop Phases beginning End Q4 2021 SQ NDC has plans to provide at Offer time additional information to the Seller about the renumeration they can expect to receive if an Offer is converted to a paid Order. This capability should be released by the end of 2021.
Click here to download Oct21 release notes
Feature API Affected Live Test Action for Partners
AirlineProfile AirlineProfile Test New NDC API released to provide information about valid Origins and Destinations which an airline can accept in shopping requests
One-Way Display in OrderReshop OrderReshop Test Partners who are utilizing OWD in AirShopping will have OWD activated in OrderReshop in Test Systems beginning Sep 2021
Mandatory usage of two-step OrderReshop flow OrderReshop Test An activation has been done which mandates the usage of the two-step OrderReshop flow in Test Systems. Partners who are not utilizing the two-step flow should update their implementations prior to the activation in Production.
SQ has announced an extension of its Complimentary Rebooking Policy, revised its policy regarding Air Ancillaries and launched a Vaccinated Travel Lane.

Click here to download Aug21 release notes and general notices
Feature API Affected Live Test Action for Partners
Currency Override during Post-Booking OrderChange Test / Live Partners who wish to provide the flexibility to override the currency for Seller/Market specificities to integrate this feature
Expanded Catalogue of Free Service OrderCreate Test Partners who wish to provide their Sellers/Customers with the ability to book the new free services
Click here to download Jul21 release notes
Feature API Affected Live Test Action for Partners
Support for Mixed Cabin Class Search AirShopping Test / Live Partners who wish to provide their sellers / customers with the ability to flexibly select different cabin classes for different bounds should integrate this feature.
Updated Processing of Contact Information OrderCreate Test Update OrderCreateRQ accordingly for provision of Travel Agency contact info as well as Pax contact info Target in PRD: Jun21 (Activation by Partner)
Minimum Time before departure flag AirShopping Test Partners to inform implementation lead if they would like this flag returned. This is highly encouraged. Target in PRD: Jun21
Support for EasyPay OrderCreate/OrderChange Test SQ NDC will soon support the usage of IATA EasyPay cards as a Form of Payment under BSP settlement. EasyPay has been implemented as a sub-category of credit cards.
Automated Processing of Advice Status Codes OrderRetrieve Test Advice status codes can arise in NDC bookings because of external modification of the PNR. SQ NDC has been enhanced to automatically process these status codes when partners retrieve the Order. Target in PRD: Jul21
Click here to download May21 release notes

SQ has revamped its Economy Class fare types to cater to traveller groups with different needs effective from 22 Apr 2021. Q and N fares will be moved to the new Economy Value fare type, while the V and K fares will remain under the current Economy Lite fare type. The change fees for Economy Standard fares will also be revised. The information returned in the API reflects these changes. There is no change to the structure/format in which fare rules are returned.

Click here to download our trade comms regarding the new fare family change.
Feature API Affected Live Test Action for Partners
Alignment for input of FFP, CLID and PromoCode AirShopping/
OfferPrice/
OrderCreate
Test Partners should review the changes and revise integration
Target in PRD: 18 Jan 21
Re-price Existing Order OrderReshop Test / Live Partners are encouraged to review their integration to provide users with the additional information available at repricing.
Support for UATP OrderCreate Test For info
Target in PRD: mid-Mar21

SQ will be conducting a one-off 3DS activation for all Partners on SQ NDC come 1 April 2021. This implies that Partners who have not yet integrated 3DS with us will experience redirection errors for credit card transactions attempted on your platforms. Should any Partner wish to be excluded from this 3DS activation exercise, kindly provide in writing a request to the SQ NDC team to opt out. Nil responses will be taken as consent to 3DS activation for your NDC platforms on 1 April 2021.

Click here to download Mar21 release notes and general notices
Feature API Affected Live Test Action for Partners
Re-price existing Order (held booking) OrderReshop Test Will be activated by default.
Target in PRD: End Dec 2020
End-to-End utilization of CLID for Corporate transactions AirShopping/
OfferPrice/
OrderCreate
Test Adjust integration for CLID in OrderCreate
New integration for CLID in AirShopping/OfferPrice
Target in PRD: 18 Jan 2021
OrderReshop for Complex Itineraries OrderReshop Test Partners supporting complex itineraries in shopping to review integration for OrderReshop
Click here to download Dec 20 release notes and general notices
Feature API Affected Live Test Action for Partners
Itinerary Mode for Complex Itinerary AirShoppingRS Live No activation required. Only applicable for partners on OWD mode with complex itinerary enabled.
Fare Calculation and Fare Endorsement OrderViewRS Live Activated by default
OrderChangeNotif for Services OrderChangeNotifRQ Live Activated for partners with live implementation of OrderChangeNotif
Payment Time Limit at OfferPrice OfferPriceRS Live No activation required
Bug Fixes OrderViewRS Live No activation required
Click here to download Nov 20 release notes and general notices
Feature API Affected Live Test Action for Partners
Fare Type Indicator AirShoppingRS
OfferPriceRS
OrderReshopRS
Available in Test No activation required
Currency Alignment in multi-currency scenarios OrderViewRS Available in Test No activation required
Enhancements to for stop-over/connection information AirShoppingRS
OfferPriceRS
OrderReshopRS
OrderViewRS
Available in Test Controlled via configuration setting Default = 'Yes'
Secure Flight Indicator AirShoppingRS
OfferPriceRS
Available in Test No activation required
Offering Free Services ServiceListRQ/RS Available in Test Activation required
Payment Time Limit at OfferPrice OfferPriceRS Available in Test No activation required
Changes to 3DS flow OrderCreateRQ Available in Test Activation required Changes to existing flow required
Click here to download Aug 20 release notes and general notices
Feature API Affected Live Test Action for Partners
Improvements to OrderViewRS
a. Residual Amounts
b. References for EMD(s)
c. Order Total Price
OrderViewRS Available in Production No activation required
PaxID Alignment Option OrderViewRS Available in Production Controlled via configuration setting Default = 'No'
OrderSplit OrderChangeRQ
OrderViewRS
Available in Production Mandatory to integrate
Minirules Information in Offer and Order OfferPriceRS
OrderCreateRS
Available in Production Controlled via configuration setting Default settings apply otherwise
Currency specification at Reshop OrderReshopRQ/RS Available in Test Activation required Pre-requisite: 2 step reshop flow
Adjustment of Payment Method for an unticketed Order OrderReshopRQ/RS
OrderChangeRQ
OrderViewRS
Available in Production No activation required
Click here to download Jul 20 release notes and general notices