This developer guide teaches you how to get access to Endicia Label Server API via Postmen. See also the list of required API credentials / keys for Endicia Label Server API integration.

Get Endicia API Credentials (Production)

Register for an Endicia Premium or Endicia for Mac plan.
Note down the Passphrase entered during sign-up.  Passphrase is different from the password you login your Endicia account.
You will receive an email from Endicia with the Production Account ID.
If you forget your passphrase, either use Endicia Forgot Pass Phrase or reset Pass Phrase

Get Endicia API Credentials (Sandbox)

Register a sandbox Endicia account (choose Endicia Premium or Endicia for Mac) at this dedicated Endicia page
Select Visa and enter card number 4111111111111111 with an expiry date in the future.
Note down the Passphrase entered during sign-up. Passphrase is different from the password you login your Endicia account
You will receive an email from Endicia containing your Sandbox  Account ID. Email us at with your Sandbox Account ID and Passphrase to activate Postmen Sandbox environment.

Required Endicia Label Server API credentials

Set up Endicia Auto-Purchase of Postage via

Endicia is a pre-paid service, set up auto-purchase of postage so that your Endicia account always has credit.

Log in to your account using your Account ID and Passphrase.
From the My Account tab, select Tools --> Purchase Postage --> Auto-Purchase Settings
Select the Enable check box.
Select a Purchase Amount from the list.
Set your purchase Trigger Amount.
Click Continue to complete the process.

Endicia Label Server API Developer Resources

Read Endicia API docs
Supported Endicia service types
Postmen Endicia technical support:
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