Shippo supports several optional services for USPS shipments
These are "add-on" services available for an additional fee. The cost for the additional services you select during the label creation process will be included in the rate quote Shippo displays for you.
Summary of Fees
You can also reference the USPS Extra Services fees on the USPS website (Rates current as of July 5, 2019).
- Signature Confirmation — $2.60
- Adult Signature (API Only) — $6.40
- Certified Mail (Limited Services) — $3.50
Additional insurance coverage is also available for an added charge. This is provided by Shipsurance, not USPS: Shipping Insurance in Shippo