# GS1 Digital Link URI Standard & QR Web Transition (Sunrise 2027)
> Deconstruct and build GS1 Digital Link web URIs for modern QR code consumer engagement and point-of-sale scanning.

- **Canonical URL:** https://stanzaapi.com/tools/gs1-decoder/ai/gs1-digital-link-uri
- **Governing Standard:** GS1 General Specifications & AI Syntax (GS1 Global Standards Architecture)
- **Latency:** <1ms Edge
- **Privacy:** In-memory execution only (zero data stored or logged)

## Technical Overview & Governing Rules
GS1 Digital Link provides a standard web URI structure to encode GS1 identifiers into 2D QR codes and DataMatrix symbols readable by smartphones and POS scanners alike.

## Specification Matrix
| Segment | Example | Description |
| --- | --- | --- |
| Domain / Host | https://id.brand.com | Brand resolver web address |
| Primary AI Path | /01/00012345678905 | GTIN-14 product key |
| Key Qualifier | /21/SN9988 | Serial number qualifier |
| Query Attributes | ?10=LOT123&17=260831 | Secondary attributes (Lot, Exp) |

## Standard JSON Response Model
```json
{
  "uri": "https://id.brand.com/01/00012345678905/21/SN9988?10=LOT123&17=260831",
  "primaryKey": {
    "ai": "01",
    "value": "00012345678905"
  },
  "qualifiers": {
    "21": "SN9988"
  },
  "attributes": {
    "10": "LOT123",
    "17": "260831"
  }
}
```

## Frequently Asked Questions & Edge Cases
### Q: Can GS1 Digital Link replace traditional UPC barcodes at grocery checkout?
**A:** Yes! Sunrise 2027 establishes the global retail adoption of 2D Digital Link QR codes at retail point of sale.