How to track 4PX (`4PX300...`) Italy parcels handed off to Poste Italiane Crono & GLS Italy

4PX Worldwide Express (`4px`) consolidates e-commerce orders in China, flies them into Europe, and injects Italian parcels into Poste Italiane (`UW...IT`, `3C...`, `5P...` Crono/SDA) or GLS Italy for final delivery.

Try a live tracking number:

Barcode transition: 4PX Worldwide Express to Poste Italiane

When 4PX Worldwide Express clears customs and hands off to Poste Italiane, lastscanned surfaces the secondary tracking number in the top-level message field.

Origin / middle-mile carrier
4PX Worldwide Express (4px)
4PX Waybill (`4PX300...`)
^4PX[0-9A-Z]{12,16}$
Origin example
4PX3000849201955CN
Final-mile carrier
Poste Italiane (posteitaliane)
Poste Italiane Crono / SDA Barcode (`UW...IT` / `3C...`)
^(UW[0-9]{9}IT|[0-9A-Z]{12,15})$
Final-mile example
UW482910509IT
Extracted in .message
Channel tracking number: UW482910509IT (Poste Italiane)

How the 4PX → Poste Italiane handoff works

Follow the parcel across both networks without waiting on asynchronous webhooks or losing visibility at the handoff boundary.

1. 4PX Origin Consolidation (Shenzhen / Dongguan)
4PX measures and sorts the parcel (`4PX300...`) and assigns an Italian Poste Delivery Business / Crono barcode (`UW...IT` or `3C...`).
2. EU Air Transit & Customs Release
Pallets fly into Liège, Malpensa (MXP), or Frankfurt, clear EU IOSS customs, and truck to Poste Italiane's northern Italian sorting hubs (Milan / Piacenza / Bologna).
3. Poste Italiane / SDA Delivery
Poste Italiane scans `La spedizione è in transito` → `In consegna` and delivers the parcel across Italy.
Channel Waybill Extraction
4PX maps the `4PX300...` origin number to the Italian `UW...IT` or `3C...` Poste Italiane barcode in its tracking response.
Unified JSON Events
`GET /v1/track/{number}` stitches 4PX origin and air-freight scans with Poste Italiane last-mile delivery events.

Chain 4PX → Poste Italiane in code or MCP

Resolve both legs synchronously in TypeScript, curl, or your AI support agent via Streamable HTTP MCP.

REST (Synchronous GET)

# 1. Query 4PX Worldwide Express origin waybill (extracts final-mile barcode in .message):
curl "https://api.lastscanned.com/v1/track/4PX3000849201955CN" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

# 2. Query the extracted Poste Italiane barcode:
curl "https://api.lastscanned.com/v1/track/UW482910509IT" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

TypeScript (Automatic Handoff Chaining)

const headers = { Authorization: `Bearer ${process.env.LASTSCANNED_API_KEY}` };
const originRes = await fetch(`https://api.lastscanned.com/v1/track/${encodeURIComponent(number)}`, { headers });
const originPkg = await originRes.json();

// Extract secondary barcode from top-level message ("Channel tracking number: UW482910509IT (Poste Italiane)")
const handoff = originPkg.message?.match(/^Handed to (.+?) as ([A-Z0-9-]+)$/i);
if (handoff) {
  const [, , lastMileNumber] = handoff;
  const destRes = await fetch(`https://api.lastscanned.com/v1/track/${encodeURIComponent(lastMileNumber)}`, { headers });
  const destPkg = await destRes.json();
}

Remote MCP (Claude Code / Cursor / ChatGPT)

claude mcp add --transport http lastscanned https://mcp.lastscanned.com \
  --header "Authorization: Bearer lsk_live_YOUR_API_KEY"

4PX Worldwide Express to Poste Italiane Handoff Tracking FAQ

How do I find the Poste Italiane tracking number for my 4PX parcel?
Pass your `4PX300...` tracking number to `GET /v1/track/{number}` to retrieve the linked `UW...IT` or `3C...` Poste Italiane barcode and full Italian scan history.
Who physically delivers 4PX → Poste Italiane Crono packages?
Depending on package weight and your municipality, either your local postino (Poste Italiane) or an SDA Express Courier van (part of Gruppo Poste Italiane) delivers the parcel.
How long does 4PX take to deliver to Italy?
Typical delivery time from China to Italy via 4PX Direct Line and Poste Italiane is 7 to 12 business days.

Other carrier handoff guides

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