UsageCharge Functions
createUsageCharge(recurringApplicationChargeId, usageCharge, ...)getUsageCharge(recurringApplicationChargeId, usageChargeId, ...)
getUsageCharges(recurringApplicationChargeId, ...)
a list containing UsageCharge fields
additional request parameters
a UsageCharge id number
a list containing a UsageCharge fields or a list of UsageCharges
Shopify API UsageCharge documentation: https://help.shopify.com/api/reference/billing/usagecharge