YouMeiYuTong Tracking API & MCP
Query live YouMeiYuTong (gzymyt) package status and scan history in a single synchronous GET request or MCP tool call. YouMeiYuTong numbers share their shape with other carriers' numbers, so pass ?carrier=gzymyt.
Overview & Quick Facts
| Property | Value |
|---|---|
Carrier slug (?carrier=) | gzymyt |
| Brand aliases | YouMeiYuTong, 优美宇通 |
| Category | Cross-border e-commerce parcels |
| Single-package REST endpoint | GET https://api.lastscanned.com/v1/track/{trackingNumber}?carrier=gzymyt |
| Batch REST endpoint | GET https://api.lastscanned.com/v1/track?numbers=...,...&carrier=gzymyt |
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) | none | none | none |
Pass 2 (mayMatch) | none | none | none |
YouMeiYuTong tracking numbers have no shape of their own, so always pass ?carrier=gzymyt.
Notes
- Scan wording: Chinese for the Chinese leg, the destination post's wording for the rest.
- Time zone: scan times come with no zone, so
localTimeis each scan's own clock time andtimestampanddeliveredAtarenull. - Batches: up to 20 numbers go to YouMeiYuTong in one request.
- Platform: YouMeiYuTong runs the Hualei (华磊) tracker, shared with JYExpress and other Chinese forwarders.
Related Resources
- Regex & check digits: Tracking number formats & auto-detection
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