Track Wanb Express parcels through customs clearance and La Poste / Colissimo final-mile delivery.

Wanb Express consolidates cross-border e-commerce parcels under an origin waybill (WNB8492018492YQ) and injects them into La Poste / Colissimo (6A30491829405) via Liège / Roissy IOSS customs clearance to Colissimo hub. Querying lastscanned with ?carrier=wanbexpress returns origin export and linehaul events, while querying the La Poste / Colissimo tracking number returns domestic final-mile delivery scans.

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Barcode transition: Wanb Express to La Poste / Colissimo

When Wanb Express clears customs and hands off to La Poste / Colissimo, lastscanned surfaces the secondary tracking number in the top-level message field.

Origin / middle-mile carrier
Wanb Express (wanbexpress)
Wanb Express Waybill
WNB… alphanumeric waybill
Origin example
WNB8492018492YQ
Final-mile carrier
La Poste / Colissimo (laposte)
La Poste / Colissimo Barcode
6A30… domestic barcode
Final-mile example
6A30491829405
Extracted in .message
Handed over to final-mile carrier La Poste / Colissimo (6A30491829405) — Liège / Roissy IOSS customs clearance to Colissimo hub

How the Wanb Express → La Poste / Colissimo handoff works

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

1. Origin induction (Wanb Express)
The merchant inducts the parcel into Wanb Express under origin tracking ID WNB8492018492YQ.
2. Linehaul & customs (Liège / Roissy IOSS customs clearance to Colissimo hub)
The shipment clears customs at Liège / Roissy IOSS customs clearance to Colissimo hub and receives domestic La Poste / Colissimo barcode 6A30491829405.
3. Final-mile delivery (La Poste / Colissimo)
La Poste / Colissimo completes local sorting and doorstep or parcel locker delivery.
Origin Carrier Slug
wanbexpress
Destination Carrier Slug
laposte
Primary Injection Gateway
Liège / Roissy IOSS customs clearance to Colissimo hub

Chain Wanb Express → La Poste / Colissimo 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 Wanb Express origin waybill (extracts final-mile barcode in .message):
curl "https://api.lastscanned.com/v1/track/WNB8492018492YQ" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

# 2. Query the extracted La Poste / Colissimo barcode:
curl "https://api.lastscanned.com/v1/track/6A30491829405" \
  -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 ("Handed over to final-mile carrier La Poste / Colissimo (6A30491829405) — Liège / Roissy IOSS customs clearance to Colissimo hub")
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"

Wanb Express to La Poste / Colissimo Handoff Tracking FAQ

How do I track a Wanb Express parcel handed off to La Poste / Colissimo?
Query GET /v1/track/WNB8492018492YQ?carrier=wanbexpress for origin and customs milestones, and GET /v1/track/6A30491829405?carrier=laposte for final-mile delivery scans.
When does the La Poste / Colissimo tracking number become active?
La Poste / Colissimo pre-advises the label at dispatch, and live hub scans begin within 24–48 hours after customs release at Liège / Roissy IOSS customs clearance to Colissimo hub.

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