GS1 Barcode & Digital Link Decoder — Python SDK

Decode GS1 DataMatrix, GS1-128, FNC1 barcodes, and GS1 Digital Link URIs into structured JSON in sub-5ms.

Official, zero-dependency Python 3.8+ client library for GS1 Barcode & Digital Link Decoder, built on the Stanza Micro-API Network. Intended for enterprise data pipelines, backend verification, and sub-5ms edge compute.

• 🌐 Live Web Playground: Test your inputs online
• 📚 API Documentation: View full schema on Stanza
• ⚡ Platform Overview: Explore the Stanza Developer Network

📦 Installation

pip install stanzaapi-gs1-decoder

🚀 Quickstart

import os
from stanzaapi_gs1_decoder import Gs1DecoderClient

# Initialize client (api_key optional for local evaluation)
client = Gs1DecoderClient(
    api_key=os.getenv("STANZA_API_KEY")
)

# Execute deterministic validation
response = client.parse("(01)00123456789012(21)12345")

if response.get("success"):
    print("Verification Success:", response["data"])
else:
    print("Validation Error:", response.get("error"), response.get("code"))

📄 Example Response

{
  "success": true,
  "data": {
    "gtin": "00123456789012",
    "serial_number": "12345",
    "ai_elements": [
      {
        "ai": "01",
        "label": "GTIN",
        "value": "00123456789012"
      },
      {
        "ai": "21",
        "label": "SERIAL",
        "value": "12345"
      }
    ]
  }
}

⚙️ Client Options

🔗 Useful Links

• GS1 Barcode & Digital Link Decoder Interactive Sandbox
• Stanza Developer Directory
• Source Code & Issue Tracker

📄 License

MIT © Stanza — Powered by Stanza.