# Elevated error rate on USPS Transaction API

- Provider: [Shippo](https://down.guide/shippo)
- Level: confirmed
- Impact: Partial outage
- lasted 33m
- started 2026-03-12 16:21 UTC
- USPS
- id: DWN-1507125059
- Official page: https://stspg.io/722812sxg4s2

## Updates from Shippo
### 2026-03-12 16:21 UTC: investigating
We are currently experiencing an issue affecting USPS label generation via the API, which is impacting our ability to create both domestic and international USPS labels.
Our team is actively investigating the issue and is in contact with USPS to identify the cause and restore normal service as quickly as possible.

### 2026-03-12 16:36 UTC: investigating
We are continuing to investigate this issue.

### 2026-03-12 16:37 UTC: monitoring
We started seeing recovery for label generation , we are monitoring things for a while

### 2026-03-12 16:54 UTC: resolved
This incident has been resolved.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by Sazabi (https://sazabi.com/?utm_source=down-guide&utm_medium=markdown).