# Correos de México Tracking API & MCP

URL: https://docs.lastscanned.com/carriers/correosmexico

Query live **Correos de México** (`correosmexico`) package status and scan history in a single synchronous `GET` request or MCP tool call. Mexico (S10 MX).

## Overview & Quick Facts

| Property | Value |
|---|---|
| **Carrier slug (`?carrier=`)** | `correosmexico` |
| **Brand aliases** | Correos de México, Correos de Mexico, Mexpost, Servicio Postal Mexicano, SEPOMEX |
| **Category** | Regional (Mexico (S10 MX)) |
| **Single-package REST endpoint** | `GET https://api.lastscanned.com/v1/track/{trackingNumber}` |
| **Batch REST endpoint** | `GET https://api.lastscanned.com/v1/track?numbers=RI542209425MX,RI542209425MX` |
| **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`)** | S10 with check digit (`s10From("MX")`) | S10 check digit | `RI542209425MX` |
| **Pass 2 (`mayMatch`)** | none | none | none |

`RI542209425MX`-shaped numbers are claimed by Correos de México, so `?carrier=correosmexico` is optional.

## Synchronous `GET` Request & Normalized JSON Response

```bash
curl -s "https://api.lastscanned.com/v1/track/RI542209425MX?carrier=correosmexico" \
  -H "Authorization: Bearer $LASTSCANNED_API_KEY"
```

```json
{
  "carrier": "correosmexico",
  "trackingNumber": "RI542209425MX",
  "status": "exception",
  "statusDescription": "Puesta en ventanilla",
  "service": null,
  "deliveredAt": null,
  "deliveredAtLocal": null,
  "signedBy": null,
  "destination": null,
  "events": [
    {
      "timestamp": null,
      "localTime": "2026-10-09T13:47:00",
      "status": "exception",
      "description": "Puesta en ventanilla",
      "location": "Administración Postal Iztapalapa, CDMX.",
      "code": null
    },
    {
      "timestamp": null,
      "localTime": "2026-10-09T08:25:00",
      "status": "in_transit",
      "description": "Recepción en Oficina de Correos",
      "location": "Administración Postal Iztapalapa, CDMX.",
      "code": null
    },
    {
      "timestamp": null,
      "localTime": "2026-09-24T15:42:00",
      "status": "in_transit",
      "description": "En tránsito hacia destino",
      "location": "Administración Postal Ermita, CDMX.",
      "code": null
    }
  ]
}
```

## Notes

- Mexico spans zones (Tijuana observes DST), so only `localTime` is returned.
- The page shows the current year's events ("Ejercicio"); older items may need a prior year and are not searched.
- Ordinary mail has no tracking; the page then returns no events and the lookup is `not_found`.

## Related Resources

- **Regex & check digits**: [Tracking number formats & auto-detection](/formats)