Carriers
China Post Tracking API & MCP
Query live China Post (chinapost) package status and scan history in a single synchronous GET request or MCP tool call.
Overview & Quick Facts
| Property | Value |
|---|---|
Carrier slug (?carrier=) | chinapost |
| Brand aliases | China Post, 中国邮政, ChinaPost, China Post e-packet, EMS China app |
| Category | China Post international mail (S10 numbers ending CN) |
| Single-package REST endpoint | GET https://api.lastscanned.com/v1/track/{trackingNumber} |
| Batch REST endpoint | GET https://api.lastscanned.com/v1/track?numbers=LZ430297212CN,LZ430297212CN |
MCP server (https://mcp.lastscanned.com) | track_package, track_packages, list_carriers |
| Authentication & pricing | Authorization: Bearer lsk_live_... · 1 free keyless lookup/day per IP |
Tracking Number Formats & Auto-Detection
| Pass | Rule / Regex | Check Digit | Examples |
|---|---|---|---|
Pass 1 (matches) | UPU S10 *CN numbers that do not start with E (valid check digit); E…CN EMS numbers go to ems | none | LZ430297212CN |
Pass 2 (mayMatch) | none | none | none |
Shapes this carrier uses:
- S10 international mail (not EMS):
^[A-DF-Z][A-Z]\d{9}CN$ - Domestic EMS (13 digits, pass ?carrier=chinapost):
^\d{13}$
Synchronous GET Request & Normalized JSON Response
curl -s "https://api.lastscanned.com/v1/track/LZ430297212CN?carrier=chinapost" \
-H "Authorization: Bearer $LASTSCANNED_API_KEY"{
"carrier": "chinapost",
"trackingNumber": "LZ430297212CN",
"status": "delivered",
"statusDescription": "【巴西】已妥投",
"service": "e邮宝",
"deliveredAt": null,
"deliveredAtLocal": "2026-08-25T15:16:00",
"signedBy": null,
"destination": null,
"message": "Showing the latest 3 of 23 scans",
"events": [
{
"timestamp": null,
"localTime": "2026-08-25T15:16:00",
"status": "delivered",
"description": "【巴西】已妥投",
"location": "巴西",
"code": "463"
},
{
"timestamp": null,
"localTime": "2026-08-25T09:54:00",
"status": "out_for_delivery",
"description": "【巴西】安排投递",
"location": "巴西",
"code": "462"
},
{
"timestamp": null,
"localTime": "2026-08-24T13:24:00",
"status": "in_transit",
"description": "离开境外经转局",
"location": null,
"code": "489"
}
]
}Notes
- Source: the China EMS mobile app's API, with the app's request signature (an HMAC-SHA256 header). It is not the UPU tracker
emsuses, so it also answersLZ,RR,CXand similar numbers. - Latest scans only: the API returns the three most recent scans of a longer history;
messagesays how many exist. - Wording: scans are in Chinese. Times are Beijing time at home and each office's local time abroad, so only
localTimeis set. - Domestic numbers: 13-digit domestic numbers can be looked up with
?carrier=chinapost; they are not auto-detected.
Related Resources
- Regex & check digits: Tracking number formats & auto-detection
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