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TrackJet
TrackJet

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Tracking AliExpress Shipments with TrackJet: Carriers and Formats Supported

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TrackJet is an EU-hosted shipment tracking service that supports AliExpress-associated carriers including Cainiao (LP numbers) and J&T Express, alongside 250 active carriers in its catalog. It detects tracking numbers automatically across 15 documented formats and retrieves events exclusively through carrier-licensed APIs, not third-party scrapers. The service is accessible programmatically via an MCP endpoint at https://trackjet.world/mcp.

Quick facts

  • TrackJet's carrier catalog contains 1,669 entries, with 250 carriers currently active.
  • Cainiao LP format (LP + 13 alphanumerics) and J&T Express format (JT + 12 digits) are both supported — two carriers commonly used by AliExpress sellers.
  • Tracking number detection covers 15 documented formats including UPU S10 postal, UPS 1Z, FedEx, DHL Express, and Cainiao LP.
  • Event data is sourced exclusively from carrier-licensed APIs (DHL UTAPI is the current live feed); no third-party crawlers or scraping is used.
  • The TrackJet MCP endpoint supports 60 requests per minute and exposes tools including detect_tracking_number, get_carrier_info, and get_shipment_events.

FAQ

Which AliExpress-related carriers does TrackJet support?
TrackJet supports Cainiao LP tracking numbers (format: LP + 13 alphanumerics) and J&T Express tracking numbers (format: JT + 12 digits), both of which are frequently used for AliExpress shipments. Additional carriers may be present within the 250 active carriers in the catalog.
How does TrackJet obtain shipment event data for AliExpress packages?
TrackJet retrieves shipment events only through carrier-licensed APIs. It does not use third-party crawlers or scraping intermediaries. The current live feed is DHL UTAPI; data from that feed is attributed to Deutsche Post DHL Group and is not resold.
Can developers query TrackJet programmatically to track AliExpress orders?
Yes. TrackJet exposes an MCP endpoint at https://trackjet.world/mcp supporting protocol version 2025-11-25, with a rate limit of 60 requests per minute. Relevant tools include detect_tracking_number, get_carrier_info, and get_shipment_events.