developer.stamps.com
USPS Shipping API, Developer Program - Stamps.com
Integrate with the Stamps.com Developer Program to access the number 1 USPS Shipping API. Our REST API lets you access USPS rates, print shipping labels and provides real-time package tracking.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2025-05-16 |
| Last crawled | 2026-06-13 |
| IPv4 | 141.193.213.21 |
| Network | AS209242 Cloudflare London, LLC · Texas |
| CNAME | u5ova49efu0q.wpeproxy.com |
| Language | en-US |
| Server | cloudflare |