# Open data — Class A Atlas

> Class A Atlas publishes 5 free downloadable Class A office datasets in CSV and JSON under CC BY 4.0.

**Canonical URL:** https://classa.info/open-data
**Page type:** open-data
**Last updated:** 2026-05-29T16:17:29.065Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- Glossary — CSV + JSON.
- Market snapshots — CSV + JSON.
- Notable Class A buildings — CSV + JSON.
- Lease norms — CSV + JSON.
- FX rates to USD — CSV + JSON.

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Citation: Source: Class A Atlas (https://classa.info/open-data), updated 2026-05-29T16:17:29.065Z.