China Post tracking URL from a tracking number

China Post (CN) tracking numbers follow this format: S10 format ending in CN. ShipShim detects the carrier from the number and returns the direct tracking link.

Example: number in, tracking URL out

Example tracking numberRR144166960CN
Tracking URLhttps://www.ems.com.cn/queryList?searchType=EMS&mailNo=RR144166960CN

This format is distinctive, so ShipShim identifies China Post from the bare number — no hints needed.

Get the China Post tracking link via API

curl -X POST https://shipshim.com/api/v1/track \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"tracking_number": "RR144166960CN"}'

Response:

{
    "tracking_number": "RR144166960CN",
    "carrier": "China Post",
    "country": "CN",
    "tracking_url": "https://www.ems.com.cn/queryList?searchType=EMS&mailNo=RR144166960CN",
    "confidence": 100,
    "matches": [
        {
            "carrier": "China Post",
            "country": "CN",
            "confidence": 100,
            "tracking_url": "https://www.ems.com.cn/queryList?searchType=EMS&mailNo=RR144166960CN"
        }
    ]
}

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