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USPS API Address Checker: Revision history

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24 March 2025

  • curprev 16:1216:12, 24 March 2025 Jspenceratty talk contribs 2,023 bytes +2,023 Created page with "== USPS Setup == 1. Log In/Create USPS Business Account Use the USPS Customer Onboarding Portal (COP) (https://cop.usps.com/cop-navigator?wf=API&showCC=false), sign into your USPS Business Account, or create a new USPS Business Account. The COP will ensure that your USPS Business Account is configured for the USPS APIs. 2. Log In Log in to the USPS Developer Portal (https://developers.usps.com/saml_login) using your USPS Business Account credentials from Step 1. 3...."