Verbb

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USPS#

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Support#

USPS supports the following APIs:

  • Rates
  • Tracking
  • Labels

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API Credentials#

In order to use USPS, you'll need to connect to their API.

  1. Go to USPS and login to your account.
  2. From the Apps section, follow the prompts to create a new app.
  3. Copy the Consumer Key from USPS and paste in the Client ID field in Postie.
  4. Copy the Consumer Secret from USPS and paste in the Client Secret field in Postie.
  5. Locate the Business Account Access email sent by USPS upon creating your USPS business account.
  6. Copy the EPS Account Number from this email and paste in the Account Number field in Postie.

To create labels, you'll be required to supply a few more details.

  1. Locate the Business Account Access email sent by USPS upon creating your USPS business account.
  2. Copy the CRID from this email and paste in the Customer Registration ID field in Postie.
  3. Copy the MID from this email and paste in the Mailer ID field in Postie.

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