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

Winit consolidates cross-border e-commerce parcels under an origin waybill (ID18049201CN) and injects them into La Poste / Colissimo (6A19384729104) via Roissy CDG / Cergy Colissimo hub. Querying lastscanned with ?carrier=winit 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: Winit to La Poste / Colissimo

When Winit 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
Winit (winit)
Winit Waybill
ID1… alphanumeric waybill
Origin example
ID18049201CN
Final-mile carrier
La Poste / Colissimo (laposte)
La Poste / Colissimo Barcode
6A19… domestic barcode
Final-mile example
6A19384729104
Extracted in .message
Handed over to final-mile carrier La Poste / Colissimo (6A19384729104) — Roissy CDG / Cergy Colissimo hub

How the Winit → 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 (Winit)
The merchant inducts the parcel into Winit under origin tracking ID ID18049201CN.
2. Linehaul & customs (Roissy CDG / Cergy Colissimo hub)
The shipment clears customs at Roissy CDG / Cergy Colissimo hub and receives domestic La Poste / Colissimo barcode 6A19384729104.
3. Final-mile delivery (La Poste / Colissimo)
La Poste / Colissimo completes local sorting and doorstep or parcel locker delivery.
Origin Carrier Slug
winit
Destination Carrier Slug
laposte
Primary Injection Gateway
Roissy CDG / Cergy Colissimo hub

Chain Winit → 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 Winit origin waybill (extracts final-mile barcode in .message):
curl "https://api.lastscanned.com/v1/track/ID18049201CN" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

# 2. Query the extracted La Poste / Colissimo barcode:
curl "https://api.lastscanned.com/v1/track/6A19384729104" \
  -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 (6A19384729104) — Roissy CDG / Cergy 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"

Winit to La Poste / Colissimo Handoff Tracking FAQ

How do I track a Winit parcel handed off to La Poste / Colissimo?
Query GET /v1/track/ID18049201CN?carrier=winit for origin and customs milestones, and GET /v1/track/6A19384729104?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 Roissy CDG / Cergy Colissimo hub.

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