Carriers
A1 POST Tracking API & MCP
Query live A1 POST (a1post) package status and scan history in a single synchronous GET request or MCP tool call.
Overview & Quick Facts
| Property | Value |
|---|---|
Carrier slug (?carrier=) | a1post |
| Brand aliases | A1 POST, A1Post, a1post.bg |
| Category | Bulgarian cross-border parcels (A1 Trade) |
| Single-package REST endpoint | GET https://api.lastscanned.com/v1/track/{trackingNumber} |
| Batch REST endpoint | GET https://api.lastscanned.com/v1/track?numbers=9400100000000000000000,9400100000000000000000 |
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 |
A1 POST is not auto-detected from the number alone: pass ?carrier=a1post.
Synchronous GET Request & Normalized JSON Response
curl -s "https://api.lastscanned.com/v1/track/9214490221582714146891?carrier=a1post" \
-H "Authorization: Bearer $LASTSCANNED_API_KEY"{
"carrier": "a1post",
"trackingNumber": "9214490221582714146891",
"status": "in_transit",
"statusDescription": "The shipment has been processed, A1 POST",
"service": null,
"deliveredAt": null,
"deliveredAtLocal": null,
"signedBy": null,
"destination": null,
"events": [
{
"timestamp": "2026-07-06T07:41:00Z",
"localTime": "2026-07-06T10:41:00",
"status": "in_transit",
"description": "The shipment has been processed, A1 POST",
"location": null,
"code": null
},
{
"timestamp": "2026-07-04T17:40:00Z",
"localTime": "2026-07-04T20:40:00",
"status": "in_transit",
"description": "Shipment information uploaded to A1 POST",
"location": null,
"code": null
}
]
}Notes
- Not auto-detected: A1 POST numbers are often the partner carrier's own (for example a USPS number), so pass
?carrier=a1post. - Handoff: when the partner's tracking link carries a different number,
messagenames the partner and that number. - Time zone: Bulgarian time (
Europe/Sofia).
Related Resources
- Regex & check digits: Tracking number formats & auto-detection
5Post Tracking API & MCP
Track 5Post (Russia) parcels via synchronous REST GET or MCP. Normalized JSON status and scan history, no carrier credentials required.
ABF Freight Tracking API & MCP
Track ABF Freight (United States) parcels via synchronous REST GET or MCP. Normalized JSON status and scan history, no carrier credentials required.