Aptra Advance | Ndc Developer-s Guide

All NDC messages traveling to the host must be encapsulated using TLS 1.3 or higher with mutual authentication (mTLS) to prevent man-in-the-middle attacks. Conclusion

Developers can inject custom C++ or .NET code modules into the Advance NDC runtime by mapping them to specific states.

If you are self-hosting APTRA Advance (on-prem or private cloud), follow the installation checklist from Chapter 3 of the guide:

A significant portion of the Developer’s Guide (Chapter 7) covers webhook subscriptions. NDC is inherently asynchronous—airlines may update orders minutes or hours after booking. aptra advance ndc developer-s guide

Create a module that implements the standard APTRA state interface. Your code will receive control when the state engine transitions to your custom identifier.

Occurs if the state table points to a non-existent state or sets up an infinite execution loop. The terminal usually drops into an "Out of Service" loop and reports a configuration error to the host. Best Practices for Deployment

Define a custom State Type (e.g., State Z ) in the state table that intercepts standard processing. All NDC messages traveling to the host must

The APTRA Advance NDC EMV ICC Reference Manual provides further details on the protocol's implementation for smart card transactions.

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Defines the message type (e.g., Class 1 for Transaction Request). Occurs if the state table points to a

The guide dedicates 15 pages to security. The core flow is OAuth 2.0 Client Credentials:

The guide provides a mapping table showing how to translate your internal SearchCriteria object into the NDC AirShoppingRQ . APTRA Advance auto-injects the PartyID and Sender details from the tenant configuration.

Unlike traditional event-driven desktop or mobile applications, Advance NDC operates primarily as a . The runtime flow of the ATM—what it displays, how it reacts to card inserts, and when it dispenses cash—is dictated by a sequence of highly structured states downloaded directly from the central host. The Role of CEN/XFS