jsexpressCross-border

JS Express package tracking, and the API behind it.

Order, export, flight, customs and last-mile scans for JS Express cross-border parcels, with the last-mile carrier's number. One free lookup a day, no sign-up.

Also known as JS Express, JSE, js-exp.com.

Try a live tracking number:

JS Express tracking numbers

We recognize these formats from the number alone. For anything else from JS Express, add ?carrier=jsexpress.

JSE + 2 letters + 10 digits + YQ
/^JSE[A-Z]{2}\d{10}YQ$/
Sample tracking number
JSEJA1143458320YQTest JSEJA1143458320YQ live ↑
Category
Cross-border
API carrier code
jsexpress

JS Express tracking API quickstart

One request per number, or up to 100 at once with ?numbers=a,b,c. Your agents can use the same data over MCP.

REST

curl "https://api.lastscanned.com/v1/track/JSEJA1143458320YQ?carrier=jsexpress"

Claude Code

claude mcp add --transport http lastscanned https://mcp.lastscanned.com

Then ask

> Where is my JS Express package JSEJA1143458320YQ? When will it arrive?

JS Express tracking FAQ

How do I track a JS Express package?
Paste the tracking number into the lookup on this page. We read JS Express's own tracking data and show every scan, the current status and the delivery details. Anyone can do one lookup a day without signing up.
Is there a JS Express tracking API?
Yes. GET https://api.lastscanned.com/v1/track/JSEJA1143458320YQ?carrier=jsexpress returns JS Express tracking as JSON, in the same shape as every other carrier lastscanned covers. Sign up for a free key with 5 lookups a day, or Pro for $4.99 a month with 1,000 numbers.
What does a JS Express tracking number look like?
JSE + 2 letters + 10 digits + YQ: /^JSE[A-Z]{2}\d{10}YQ$/. For example JSEJA1143458320YQ. lastscanned recognizes these formats on its own, so ?carrier=jsexpress is optional for them.
Does this work for JS Express and JSE and js-exp.com numbers?
Yes. They are tracked through JS Express and come back as carrier "jsexpress".
Can an AI agent track JS Express packages?
Yes. Add lastscanned as an MCP server (https://mcp.lastscanned.com) in Claude, ChatGPT, Cursor or VS Code and ask it where a JS Express parcel is.

Other carriers

Regional and last mile (241)

+231 more regional and last mile

International posts and couriers (176)

+166 more international posts and couriers

Cross-border (116)

+106 more cross-border

Tracking pages are for people. This is for your code.

Every carrier shows a parcel differently. lastscanned reads them all and answers in one shape, so your app, your spreadsheet or your agent handles any carrier the same way.

Carrier websitelastscanned API
CarriersOne carrier per site542 carriers behind one endpoint
ResponseA web page to readThe same JSON for every carrier
VolumeOne number at a timeUp to 100 numbers per request
AgentsCopy and pasteMCP server for Claude, ChatGPT and Cursor
AutomationCheck back by handPoll from your own code or workflow

Free: 5 numbers a day with a key. Pro: $4.99 a month for 1,000 numbers, then $0.015 each.