How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Need help?

Contact us

IWXXM (ICAO Meteorological Information Exchange Model)

Information Model Aviation specification sold

Search Menu Close menu Governance Governance Congress Executive Council Regional Associations INFCOM SERCOM Research Board Programmes and Initiatives Community Events Community News Planning and Monitoring Resources About Governance Programmes and Initiatives Community Events Community News Planning and Monitoring Resources About Governance Congress Executive Council Regional Associations INFCOM SERCOM Research Board Search Close the search form Breadcrumb Home IWXXM IWXXM Summary of ICAO Meteorological Information Exchange Model (IWXXM) IWXXM is an information model designed for the operation....

WMO / ICAO, from their own opening paragraph

Other aviation data models

AIXM (Aeronautical Information Exchange Model) Information Model ATA Spec 2000 / iSpec 2200 (Air Transport Association) Exchange Schema FIXM (Flight Information Exchange Model) Information Model
← Back to all Data Models
Model Details
Steward WMO / ICAO
Origin International
Layer Information Model
Domain Aviation
Status live
Access Specification sold by the steward
Go to the steward →
How I know this

Compiled for the API Evangelist data model catalog, then confirmed against the steward's own site.

Confirmed 2026-08-11

Evidence: name evidence 3/3. Found something wrong? Tell me — corrections are cheap and I would rather be right.

Modernity Profile
Access Enclosed
Assessed 53.0% of the rubric

Not enough of this standard was readable to place it in a band. That is a limit of what I could see, not a finding against the standard.

A separate measure from the Kin Score, which rates API providers. This rates how current a standard is in how it is expressed, published and paid for — not how good it is. EDIFACT and X12 score low here and move an enormous share of world trade.

Explore more
All Data Models API Standards Schemas Vocabularies