USPS

USPS OAuth 2.0

Token endpoint for OAuth 2.0 Client Credentials authentication used to authorize requests to all USPS API products.

GitHub

Documentation

📖
Documentation
https://developers.usps.com/Oauth

Other Resources

🔗
GraphQL
https://raw.githubusercontent.com/api-evangelist/usps/refs/heads/main/graphql/usps-graphql.md

API entry from apis.yml

apis.yml Raw ↑ 
aid: usps:oauth2
name: USPS OAuth 2.0
description: Token endpoint for OAuth 2.0 Client Credentials authentication used to authorize requests
  to all USPS API products.
humanURL: https://developers.usps.com/Oauth
baseURL: https://apis.usps.com/oauth2/v3
tags:
- OAuth
- Authentication
properties:
- type: Documentation
  url: https://developers.usps.com/Oauth
- url: graphql/usps-graphql.md
  type: GraphQL