Who delivers SF Express packages in Canada?

Depending on the service tier (SF International E-Commerce vs. SF Standard Express), final delivery in Canada is handled by Canada Post, UniUni, Purolator, or UPS Canada.

How do I find my Canada Post or UniUni tracking number for an `SF...` parcel?

Query `GET /v1/track/{number}` with your `SF...` waybill and `lastscanned` returns the linked 16-digit Canada Post or UniUni tracking number.

SF Express (sfexpress)→Canada Post (canadapost)

SF Express International to Canada Post, Purolator & UniUni Handoff

How SF Express (SF…) cross-border parcels from Shenzhen and Hong Kong clear CBSA in Vancouver or Toronto and hand off to Canada Post, Purolator, or UniUni.

Try a live tracking number:

Barcode transition: SF Express to Canada Post

When SF Express clears customs and hands off to Canada Post, lastscanned surfaces the secondary tracking number in the top-level message field.

SF Express lookup →Canada Post lookup →Format & check-digit detector →

Origin / middle-mile carrier: SF Express (sfexpress)
SF Express Waybill (SF + 13 digits): SF… (15 chars)
Origin example: SF6043123456789
Final-mile carrier: Canada Post (canadapost)
Canada Post 16-digit / UniUni JY: 16 digits / JY…
Final-mile example: 7321345678901234
Extracted in .message: Arrived at YVR/YYZ gateway - Handed over to Canada Post / UniUni

How the SF Express → Canada Post handoff works

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

1. SF Express Ezhou/Shenzhen/HK air uplift: Parcels from Chinese DTC brands, Pop Mart, DJI, and Taobao/JD consolidated shipping fly from Shenzhen, Ezhou, or Hong Kong to Vancouver (YVR) or Toronto (YYZ).
2. CBSA customs clearance & Canadian deconsolidation: After clearing Canada Border Services Agency (CBSA), SF Express transfers e-commerce parcels to Canada Post (Richmond BC / Mississauga ON), UniUni, or Purolator.
3. Final Canadian doorstep or community mailbox delivery: Canada Post delivers to your community mailbox or door within 2–5 business days, while UniUni delivers directly in major Canadian metros.
SF Express query: GET /v1/track/SF6043123456789?carrier=sfexpress
Canada Post query: GET /v1/track/7321345678901234?carrier=canadapost

Chain SF Express → Canada Post in code or MCP

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

Get an API key WISMO agent guide

REST (Synchronous GET)

# 1. Query SF Express origin waybill (extracts final-mile barcode in .message):
curl "https://api.lastscanned.com/v1/track/SF6043123456789" \
  -H "Authorization: Bearer lsk_live_YOUR_API_KEY"

# 2. Query the extracted Canada Post barcode:
curl "https://api.lastscanned.com/v1/track/7321345678901234" \
  -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 ("Arrived at YVR/YYZ gateway - Handed over to Canada Post / UniUni")
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"