Holds Track 2 magnetic stripe data or EMV chip equivalents.
While standard NDC covers basic transactions (withdrawals, balances, deposits), modern deployment requires custom functionality like dynamic currency conversion (DCC), bill payments, or biometric authentication. APTRA Advance NDC achieves this through and Supervisor Enhancements . Developing Custom Execution Tasks
Guide terminal behavior if the host cannot be reached.
After the user selects an offer, you send: aptra advance ndc developer-s guide
The communication between these components follows strict formatting rules, with messages exchanged over industry-standard protocols like TCP/IP or RS-232. Development involves configuring how these components interact to create a desired transaction flow.
Understanding how the terminal moves between states (Card Read, PIN Entry, Transaction Request) is critical.
When issues arise, a systematic approach to debugging is required. Here are common techniques and their associated log files: Holds Track 2 magnetic stripe data or EMV chip equivalents
The is not a one-time read. It is a living document that receives quarterly updates as IATA releases new NDC versions and airlines change their endpoints. As a developer, your success hinges on treating the guide as your primary source of truth for:
| HTTP Status | APTRA Code | Description | Developer Action | |-------------|------------|-------------|------------------| | 400 | NDC-1001 | Missing mandatory element (e.g., PTC ) | Validate request against JSON schema (provided in /schemas folder) | | 409 | NDC-2015 | Offer expired | Re-run AirShopping | | 402 | NDC-3010 | Payment authorization failed | tokenize card again or use different FOP | | 500 | NDC-8005 | Airline NDC gateway timeout | Implement retry with exponential backoff (max 3 retries) |
"targetUrl": "https://your-service.com/aptra/webhook", "events": ["ORDER_UPDATED", "DOCUMENT_ISSUED", "CANCELLATION_CONFIRMED"] Developing Custom Execution Tasks Guide terminal behavior if
A very specific and technical topic!
With the shift toward enhanced security, handling EMV transactions is paramount.
ATM software development demands strict adherence to global compliance standards.