GSO Tracking API

Golden State Overnight (GSO) offers Priority Overnight Delivery to every address in California and select regions of Western Nevada and Arizona.

Our Multi-Carrier Tracking API will auto-track your GSO shipments

Fully integrate GSO tracking into your WooCommerce or Shopify store admin

Send your customers automated GSO shipment status & delivery emails or SMS

Direct your customers to track GSO shipments on a tracking page on your store

Boost Your Customers Retention with a Branded Tracking Experience.