Carrier Signature Reference Guide
Last updated: June 29, 2026
Use this guide to quickly determine which carriers support a required signature upon delivery.
Carriers That Support Signature Required
USPS
Supports Signature Confirmation and Adult Signature on eligible services.UPS
Supports Signature Required, Direct Signature, and Adult Signature.FedEx
Supports Indirect Signature, Direct Signature, and Adult Signature.GLS US
Signature may be available depending on the service and account settings.
Carriers That Do Not Support Signature Required
Amazon Shipping
Does not offer shipper-requested signature service.DHL eCommerce
Does not offer signature-required service for standard eCommerce shipments.GOFO
Does not support signature confirmation.Passport
Does not support signature-required service directly. Delivery depends on the last-mile carrier.TikTok Shipping
Does not offer a signature-required option.UniUni
Does not support signature confirmation.
Recommended Use
If a customer requests a required signature upon delivery, use one of the following carriers when available:
UPS
FedEx
USPS
GLS US, if enabled
Avoid using Amazon Shipping, DHL eCommerce, GOFO, Passport, TikTok Shipping, or UniUni for orders where signature is required.
Important Note
Once an order has already been fulfilled, shipped, or scanned into a container, the carrier usually cannot be changed. If the customer requires a different carrier with signature required, the order may need to be reshipped if the original shipment is returned or cannot be delivered.