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PackageHub
Getting Started
Getting Started
Account Settings
Opening a New Account
Enabling Default USPS Account
Installing the PackageHub App
Managing Credit Card and ACH Payment Methods
Error Message "This Account/Company already exists"
Testing Environment
See all 7 articles
Authorization, Authentication and Security
Activate v2 Account for Use in v3
Accessing Your API Key and API Secret
Billing
USPS Automated Package Verification (APV)
Too Many Requests Label Funding Errors
Surcharges and Adjustments
Billing Your Payment Method
Insurance
File a USPS Insurance Claim
Refunds
Refunds For a Closed Account
Refunding a Label