Articles on: Shipper Account

Get FedEx Web Services Certification

When you use a third-party application to print shipping labels in a production environment, FedEx requires you to authorize the application. This is done to achieve safe and effective operations of applications in the FedEx production environment. Without the certification, you'll get an "Authentication Failed” error.

What do you need to do?

You need to send the coversheet, as well as your test labels, follow the instructions at FedEx Web Service Certification process.. Then forward the coversheet and labels to

Alternatively, you can reach out to us at, and we’ll help you get certified. The certification process can take 1 to 2 weeks.

FedEx email template

Subject: FedEx Web Services certification - Account Number: XXXXX
Email body: it must contain all the below-mentioned details.

FedEx 9-digit account number:
Production Authentication Key:
Production Meter number:
FedEx test meter number:
Your email address:
Company name:
Contact name (FIRST and LAST NAME):
Phone number (including area code):
Printer model(s) to be utilized:
How many of Each Printer Model:
Will your application be generating shipping labels? Yes
Will you be shipping with Express, Ground, or both? Both
Will you register as a "Corporate Developer" or a "Consultant"? Corporate Developer
Are you using a third-party application, or was the application built in house? Yes, AfterShip Shipping
Are you requesting address validation? Yes
Are you requesting Carrier Dispatch or Cancelling Carrier Dispatch? Yes
Specify label image type: ZPL, EPL, DPL, PDF, or PNG

FedEx Web Services certification process

Registration process

Register at the FedEx Developer Resource Center for test and production credentials.
Email FedEx. Follow the email template mentioned above.

Generate and submit test labels

Once you have sent the email to FedEx, you will receive a reply from the FedEx team requesting you to submit shipping labels with your test credentials. Follow the below-mentioned steps to submit test labels for evaluation.

Enter your FedEx test account credential under the AfterShip Shipping FedEx Sandbox account.
Reply to the email received from FedEx with the test labels attached to the email.

If you need help generating labels for your testing account, contact us at

Updated on: 04/12/2023

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