Aptra Advance Ndc Developer-s Guide [hot]

The visual interface presented to the customer.

| 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) |

Before diving into code, developers must establish the necessary development environment. aptra advance ndc developer-s guide

NDC is state-driven. Each user action (like "Insert Card") triggers a state change.

Hardware error codes sent to the host indicating mechanical jams or device failures. The visual interface presented to the customer

Developers must maintain terminal configuration files locally or download them via host commands. These files contain:

Security is paramount in ATM development. APTRA Advance NDC enforces strict cryptographic standards directly out of the box. Each user action (like "Insert Card") triggers a

A single character representing the functional rule. Screen Number: The visual interface mapped to the state.

It is highly recommended to use the APTRA terminal simulator to test transaction flows without needing physical ATM hardware.

Internal execution logs that display step-by-step state transitions and network message parsing. Common Developer Errors