USPS Web Tools Release Notes Changelog

No entries available yet. We're working on fetching updates from this source.

The uniform changelog API will be available once we've fetched the first batch of updates.

Uniform Changelog API

Access USPS changelog updates through our uniform API. Same JSON structure across all sources. No adapter-specific parsing needed.

API Endpoint

GET https://watchchangelog.com/api/v1/entries?source=usps-webtools.releases

Response Sample (Example)

{
  "source": "usps-webtools.releases",
  "vendor": "USPS",
  "id": "example-entry-id",
  "published_at": "2026-08-26T21:41:06.602Z",
  "title": "Example changelog entry",
  "url": "https://www.usps.com/business/web-tools-apis/release-notes.htm",
  "summary": "This is an example of the uniform API response format.",
  "tags": [
    "shipping",
    "carrier",
    "api"
  ]
}

* This is an example. Real entries will appear once we've fetched from USPS.