Rate data model
View field support, webhooks, and list parameters for each integration on the Supported Integrations page.
shipment_idstring
Reference to the shipping object (if rate is for existing shipment)
currencystring
ship_by_atdate
Latest date to ship (from order) (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)
carrier_idstring
Reference to the carrier
idstring
Unique identifier for this rate object
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