Track Yanwen Express shipments to France and extract the La Poste Colissimo or Colis Privé last-mile tracking barcode.

Yanwen Express (`YW…` / `UH…YP` / `VR…YP`) routes French e-commerce parcels via air linehaul into Paris CDG or Liege, assigning a French La Poste Colissimo (`6A…` / `8R…` / `LM…FR`) or Colis Privé tracking number that handles final delivery across France.

Try a live tracking number:

Barcode transition: Yanwen Express to La Poste Colissimo

When Yanwen 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
Yanwen Express (yanwen)
Yanwen YW… / S10 …YP Barcode
^(YW[A-Z0-9]{12,16}|[A-Z]{2}\d{9}YP)$
Origin example
VR123456789YP
Final-mile carrier
La Poste Colissimo (laposte)
La Poste Colissimo (6A… / 8R…) or Colis Privé
^([68][A-Z]\d{11}|[A-Z]{2}\d{9}FR|[A-Z0-9]{12,17})$
Final-mile example
6A98765432109
Extracted in .message
Batch arrival at destination — Last-mile carrier: La Poste Colissimo (6A98765432109)

How the Yanwen → Colissimo handoff works

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

1. Yanwen origin sort & French barcode allocation
Yanwen scans the YW… or …YP number in China and maps it to a La Poste Colissimo or Colis Privé final-mile number.
2. Air transit & EU IOSS customs clearance
Yanwen flies the consolidated cargo to Europe and clears customs.
3. La Poste Colissimo / Colis Privé delivery
The French carrier scans the destination barcode and delivers to the recipient's mailbox.
Yanwen query
GET /v1/track/VR123456789YP?carrier=yanwen
La Poste follow-up
GET /v1/track/6A98765432109?carrier=laposte
Exchange number extraction
Surfaces the French Colissimo or Colis Privé exchange number inside the normalized response message

Chain Yanwen → 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 Yanwen Express origin waybill (extracts final-mile barcode in .message):
curl "https://api.lastscanned.com/v1/track/VR123456789YP" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

# 2. Query the extracted La Poste Colissimo barcode:
curl "https://api.lastscanned.com/v1/track/6A98765432109" \
  -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 ("Batch arrival at destination — Last-mile carrier: La Poste Colissimo (6A98765432109)")
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"

Yanwen Express YW… / YT… to La Poste Colissimo & Colis Privé France Handoff FAQ

Why doesn't La Poste recognize my Yanwen tracking number ending in YP?
Codes ending in YP are private Yanwen internal numbers, not official UPU postal barcodes. Query ?carrier=yanwen on lastscanned to extract the real 6A… Colissimo tracking number.
How long does Yanwen Direct Line take to France?
Yanwen Direct Line to France typically delivers in 7 to 12 calendar days.

Other carrier handoff guides

Explore cross-border last-mile barcode extraction and domestic USPS consolidator overrides across all 273 carriers.

All 273 supported carriers

International posts and couriers

Cross-border