# IATA 13-Digit E-Ticket Validator & Resolution 722e Check Digit
> Validate 13-digit passenger electronic ticket numbers and coupon structures across global GDS platforms with instant MOD-7 check digit verification.

- **Canonical URL:** https://stanzaapi.com/tools/iata-validator/standard/iata-e-ticket-13-digit
- **Governing Standard:** IATA Resolution 600a & Resolution 722e (International Air Transport Association (IATA))
- **Latency:** <1ms Edge
- **Privacy:** In-memory execution only (zero data stored or logged)

## Technical Overview & Governing Rules
Standard passenger electronic tickets follow IATA Resolution 722e containing a 3-digit airline code followed by a 10-digit sequence number.

## Specification Matrix
| Component | Length | Description |
| --- | --- | --- |
| Carrier Code | 3 digits | 3-digit airline accounting code |
| Document Sequence | 10 digits | Unique ticket serial and check digit |

## Standard JSON Response Model
```json
{
  "ticketNumber": "0161234567890",
  "airline": "United Airlines",
  "valid": true
}
```

## Frequently Asked Questions & Edge Cases
### Q: Do passenger tickets also use MOD-7?
**A:** The check digit on the 10th digit of the sequence utilizes IATA MOD-7 arithmetic.