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ReqIF (Requirements Interchange Format)

Exchange Schema Engineering openly published

I have not written this one up yet, and I would rather leave it blank than put words in the steward's mouth. The entry is verified and the facts in the sidebar are confirmed — the reading is still to come.

Other engineering data models

ISO 10303 STEP / AP242 Information Model ISO 10303-239 PLCS (Product Life Cycle Support) Information Model QIF (Quality Information Framework) Information Model OMG SysML Metadata Model
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Model Details
Steward Object Management Group
Layer Exchange Schema
Domain Engineering
Status live
Access Openly published
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
58.0 Modernizing
Access Open
Assessed 88.0% of the rubric

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.

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