Yes! An Electronic Return Receipt is available to the sender as a USPS add-on to Certified Mail. This receipt will allow you to download a digital copy of the recipient's signature used to sign for the delivery of the letter. You opt for an Electronic Return Receipt by passing certified_return_receipt in the “extra_service” parameter of creating a letter.
The return receipt shall be accessible via the certified tracking number from the USPS page. If you would like to receive the signature PDF via email, please follow the following steps:
- Visit www.usps.com
- Enter the Certified tracking number into the Track a Package box
- Click the "Return Receipt Email" dropdown and fill the required fields
- The USPS will send you an email with the signature file
