USPS API Credentials

To obtain USPS new API credentials, follow these steps:

Log in to the USPS Developer Portal: Use your USPS Business Account credentials to access the portal. 

Create an App: Register an application to consume USPS APIs. Click on "My Apps" and then "Add App" to create your app. 

Retrieve Credentials: After creating your app, copy your Consumer Key and Consumer Secret from the credentials section. 

Authorize Access: Navigate to the USPS Customer Onboarding Portal to authorize your application to access protected information resources. 

Generate OAuth Tokens: Use the Consumer Key and Consumer Secret to generate OAuth 2.0 access tokens for your application. 

For detailed instructions, refer to the USPS APIs Onboarding Guide.