IATA works with airlines, governments, industry associations and Strategic Partners towards an end-to-end passenger experience that is secure, seamless and efficient while lowering industry costs.

Airline Value Chain is the top level framework (pdf) used to classify all models contained in the Business Pillar.

The latest package of data exchange messaging standards is available for download on the IATA Standards Release deliverables webpage.

Customer Touchpoint Capabilities

Contains material related to booking management, including payments and ticket management.

Standards/Functional Domain description guides programs Sandbox Learn Certifications
Enhanced Distribution (NDC) The enhance distribution standards enable the travel industry to transform the way air products are retailed to corporations, leisure and business travelers, by addressing the industry’s current distribution limitations: product differentiation and time-to-market, access to full and rich air content and finally, transparent shopping experience. ​​​​ NDC Implementation Guide NDC Click here for more details about the NDC Sandbox Watch our videos and learn more about NDC ARM index Program 
Simplified Distribution (One Order) The simplified distribution standards aim to modernize the order management process in the airline industry. This industry-led initiative intends to replace the multiple and rigid booking, ticketing, delivery and accounting methods, using the data communications advances made possible by the implementation of the New Distribution Capability. ONE Order Implementation Guide ONE Order Click here for more details about ONE Order Sandbox Watch our videos and learn more about ONE Order   ARM index Program  
Ticketing and EMDs The ticketing and EMD XML standards help facilitate fundamental ticketing processes across airlines.          
Interlining with Offers & Orders The Interlining with Offers and Orders standards are part of the new Retailer Supplier Framework and aim to facilitate the implementation and adoption of the new Standard Retailer and Supplier Interline Agreement (SRSIA). These standards support the Retailer – Supplier interactions based on the Offers and Orders concepts and capabilities. Interline Implementation Guide Interline N/A Learn more about Interline N/A
Standards/Functional Domain description guides
Passenger Reservations and Airport Services (EDIFACT)

The IATA EDIFACT Reservations and Airports Implementation Guides cover the following:

  • Facilitation of data exchange relevant to airline passenger airport services (such as check-in, baggage and ticketing processes)
  • Facilitation of data exchange relevant to airline passenger reservations processing

The Implementation Guides are supported by the EDIFACT Messaging Structures document which is used in conjunction with the aforementioned implementation guides to develop EDIFACT message structures.





IATA XML and EDIFACT Codeset  Directory  






PADIS Messaging Standards






PADIS Reservation Implementation Guide



Airline Operations Capabilities

Contains material related to aircraft operations, including operations control, disruption recovery, operations notifications, and aircraft notifications.

Standards/Functional Domain description guides
Aviation Information Data Exchange Aviation Information Data Exchange (AIDX) is the global XML messaging standard for exchanging flight data between airlines, airports, and any third party consuming operational data. AIDX is generally used in the operational window of a flight, but there are implementations that have extended AIDX messaging considerably beyond this temporal scope. AIDX Implementation Guide

Contains material related to baggage operations, including baggage handling, baggage tracking, baggage recovery, and baggage reconcillation.

standards/Functional Domain description Guides

Passenger and Baggage Conformance Services

Standardizes the data exchange
supporting common use self-service bag drop through the use of web services technology in order to allow for a simple 'plug and play' solution which
airlines using web services can roll out anywhere and support a shared infrastructure environment.

Implementation Guide

Baggage Logistics and Conformance Services

Standardizes the business event messages covering all use cases for the movement, storage, sortation, containerization, authentication and security of baggage items.

Implementation Guide


Contains material related to operations planning, including fuel planning, catering planning, freight planning, and ground resource Planning.

standards/Functional Domain description Guides

Pre-fueling message

Fuel pre-transaction message type based on AIDX common types that can be used to create and exchange fuel ordering data, fuel delivery data, aircraft’s fuel on board data, fuelling progress, flight operational data and airport resource data within a wrapper keyed on the AIDX flight-leg key.

Implementation Guide

Semi-permanent data

Used to exchange semi-permanent data for weight and balance between the carrier owning the aircraft and airlines that operate the aircraft, handling agents and DCS providers.

Implementation Guide

Aircraft Registration

Used to exchange Operational Aircraft registration, including Aircraft turn-around (aircraft arrival, aircraft doors, aircraft departure, aircraft towing)

Implementation Guide
Unified weight signal


The unit load device weight signal messages are used to exchange cargo and mail information for a flight. Implementation Guide


Contains material related to passenger operations, including passenger cross border movement, passenger tracking, and passenger notifications.

standards/Functional Domain description Guides

Advanced Passenger Information Standards, including Passenger Name Recognition for Governments (PNRGOV)

These messages are intended to facilitate the exchange of data relevant to government requirements on PNR data and Airlines reservation systems.

Implementation Guide


Contains material related to aircraft scheduling, including airport slots and standard schedule information standards.

standards/Functional Domain Description guides
Airport Slots The Worldwide Airport Slot Guidelines (WASG), provide the industry with a single set of guidelines for airport slot management and allocation. Airport Slots Implementation Guide
Standards Schedules Information Manual The SSIM is the official set of standards, guiding the industry with recommended practices, messaging formats and data processing procedures that are to be used by all IATA member airlines and their business partners for the exchange of airline schedules, communication of airport coordination information and minimum connect time data. XML and API Standards Messages

Support and Management

Contains material related to financial planning and accounting, including order accounting and revenue accounting.

standards/Functional Domain description Guides

Settlement with Orders (SwO)

The Settlement with Orders (SwO) standard introduces a streamlined and efficient settlement process based on orders. It builds on the capabilities delivered by NDC and ONE Order which enable the accounting functions using the airlines’ order management systems.

Implementation Guide


Contains technical materials which transversally support the various standards including industry data exchange glossaries, codesets, and XML and JSON message schemas.

Standards/Functional Domain Description Guides
XML and API Standards Messages Compressed file containing the latest versions of the XML and JSON API messaging standard specifications. Implementation Guide
Passenger Glossary of Terms Provides a dictionary of terms used in the data exchange standards as referenced in RP1008. Implementation Guide
Codeset Directory This document provides the agreed codesets utilized by the Airline industry for the identification of information included within IATA standard messages. Implementation Guide
Airline Industry Data Model The Airline Industry Data Model (AIDM) aims to become a single point of access to store industry-agreed vocabulary, data definitions and their relationships, and related business requirements used to generate airline data exchange standards. Implementation Guide
Reference Communication Model The Systems and Communications Reference (SCR) is a multi-volume set of documents which describes the protocols, standards and implementation issues related to inter system communications for the airline and aeronautical communities. Volumes 0-6 are no longer actively maintained as they refer to the use of mature technologies such as Type A, Type B, X.25 or EDIFACT, that no longer evolve. Implementation Guide