Blog
Technical guides for USPS API migration and shipping infrastructure.
· 12 min · Migration Guide
USPS Web Tools to v3 REST: Complete Migration Guide
Step-by-step guide to migrating from USPS Web Tools XML API to the new v3 REST API. Endpoint mapping, OAuth setup, rate limit handling, and code samples.
· 8 min · Architecture
USPS API Rate Limits: How to Handle 60 req/hr in Production
Practical strategies for handling USPS v3 API rate limits. Caching, batching, queue architecture, and BYOK for production workloads.