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iliia-veselov merged 1 commit into from
Aug 10, 2026
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chore: update sdmx-compatibility.md with supported 3.0 #22

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13 changes: 8 additions & 5 deletions architecture/sdmx-compatibility.md
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Expand Up @@ -4,16 +4,18 @@ This document outlines the SDMX compatibility requirements and metadata standard
effectively with statistical data sources.

> **📝 Note**: StatGPT relies on the [sdmx1 library](https://github.com/khaeru/sdmx) for SDMX requests, therefore the
> requirements are dictated by what is supported in that library.
> requirements are dictated by what is supported in that library. Requests go through the
> [StatGPT SDMX Proxy](https://github.com/epam/statgpt-sdmx-proxy), a unified SDMX 3.0 facade in front of upstream
> registries, which handles version differences.

## 📊 SDMX Technical Requirements

### Version Support

| Version | Support Level | Notes |
|--------------|-----------------------|--------------------------------------------------|
| **SDMX 2.1** | ✅ Full Support | Complete functionality via sdmx1 library |
| **SDMX 3.0** | ⚠️ Restricted Support | Limited compatibility dependent on sdmx1 library |
| Version | Support Level | Notes |
|--------------|--------------------|-----------------------------------------------------------------------------------------------------------------------------|
| **SDMX 2.1** | ✅ Full Support | Complete functionality via the SDMX Proxy |
| **SDMX 3.0** | ⚠️ Partial Support | Metadata queries are not supported; metadata attributes can still be used when they are part of a dataflow's data structure |

### Format Requirements

Expand Down Expand Up @@ -169,6 +171,7 @@ Use this checklist to ensure your SDMX metadata meets StatGPT requirements:

- [SDMX Official Documentation](https://sdmx.org/)
- [sdmx1 Library Documentation](https://github.com/khaeru/sdmx)
- [StatGPT SDMX Proxy](https://github.com/epam/statgpt-sdmx-proxy)

## ⚠️ Common Issues to Avoid

Expand Down