US Postal Service API Credentials Instructions

The US Postal Service is shutting down their Web Tools and migrating everyone to their USPS API.

In order to use the new platform, you will need to obtain API Keys associated with your account. I've included a step-by-step process below to obtain your keys.

  1. Sign in or Create a USPS Business Account. Login to https://cop.usps.com/cop-navigator?wf=API&showCC=false . If you don't have an account, you can sign up for one at the same link.

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  2. Once you have logged in or signed up, select "My Apps" on the top of the COP Business Portal Page.

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  3. On the My Apps page, choose the "Developer Apps" tab, and click the "Add app" button.

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  4. Read and agree to the Terms and Conditions, and then complete the 'Add App' form the opens. You need to enter a name, and agree to the Public Access Quota. When completed, click the 'Add App' button at the bottom.

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  5. Your completed 'App' should now open and display the screen shown below. To copy the Consumer Key and the Consumer Secret, click on the copy button next to each respectively and save them.

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Once you have the Key and Secret, you are ready to migrate to the new USPS integration on your website. Contact Advantage to schedule the update and migration to the new system.