Fulfillment, simulation, orders & OMS follow-up When this skill applies Use this skill when building an External Seller integration: VTEX forwards availability, shipping, checkout simulation, and order placement to your fulfillment base URL, and you call the marketplace OMS APIs for invoice and tracking after dispatch. - Implementing (indexation and/or checkout — with or without customer context) - Implementing (order placement — create reservation ; return = reservation id in your system) - Handling (order dispatch after approval — path uses the same id you returned as at placement) - Sendin…