GDS Commands Hub

The Complete GDS Commands Reference

Real cryptic commands for every major GDS — availability, selling, ticketing, SSR/OSI, void, refund, and more. Pick your system below.

Amadeus
19 min read·Amadeus
Amadeus GDS Commands: The Complete Reference
Availability, selling, PNR building, SSR/OSI, ticketing, TTL, queues, void, refund, and exchange — every Amadeus entry an agent needs.
Read guide →
Sabre
17 min read·Sabre
Sabre GDS Commands: The Complete Reference
Availability, selling, PNR building, SSR/OSI, ticketing, queues, void, refund, and exchange — every Sabre entry an agent needs.
Read guide →
Galileo / Apollo
15 min read·Galileo / Apollo
Galileo & Apollo GDS Commands: The Complete Reference
Shared Travelport command set covering availability, selling, PNR building, SSR/OSI, ticketing, void, and refund — plus notes on legacy Worldspan.
Read guide →