2026-09-15 Pricing API
- Line items can now carry the inputs an external fee was calculated from, through a new optional
external_fees_metadata.inputsfield on a line item and on its item components — accepted onPOST /v1/order,PUT /v1/order/{id},POST /v1/pricing:compute, andPOST /v1/public/cart:checkout POST /v1/public/integration/{integrationId}/compute-pricenow accepts an optionalcityfor the address the price is computed for, and reports theinputsthe computation was based on