Shop: Comparative Shopping for Flights [SHPCMF]

Guidance for Schema Version:

21.3 - Please consult the ARM index Schema version 21.3 regarding validation of capabilities within the ARM index program.

Definition of Capability


Not applicable


Ability to display for customers aggregated results for flights from multiple airlines

NOTE: System Providers will use the above definition that pertains to their customers for Capabilities Verification.

Links to EASD Implementation Guidance

Shopping for Flights

Related Concepts, Capabilities and Worked Examples:

NOTE: Retailing Capabilities Verification Guidance will align to the published EASD Implementation Guidance at all times. From time to time when new guidance is published this will be updated and supersede any Retailing Capabilities Verification Guidance listed below.

Retailing Capabilities Verification Guidance

For all capabilities, please also consult the list of general guidelines for adherence to best practices that span across several capabilities and messages:


Demonstrate aggregation of shopping results from multiple airlines onto single front-end with suitable “side-by-side” comparison possible by the customer. This should include ancillary services, if available.

Minimum Requirements

Optional Messages

User Interface Screenshots



NOTE: For all versions prior to that listed above (generally the most recent), the verification will be based on the guidance available for that version. In the case that no guidance is available, verification will be at IATA’s discretion.