USPS APIs March 11th Release 2024

Updates to support new mail products.

USPS APIs February Release 2024

Maintenance and Upgrades.

USPS APIs January Price Change Release 2024

January 2024 Price Change Release and Maintenance updates.

Maintenance and Upgrades

4.2.0

Update Example-Postman.postman_collection.json

Maintenance and Fixes

4.1.0

Folder name updated.

Maintenance and Upgrades

v4.0.0

Update Example-Postman.postman_collection.json

Maintenance

v3.1.0

Update Example-Postman.postman_collection.json

Maintenance and Version 3 API Additions

v3.0.0-beta.1

Update README.md

v3.0.0-beta

Changes due to V3.

Use Cases for Recently Added APIs

We've added both curl commands and PostMan collections for APIs recently released and published to the USPS developer portal.