Supported Requests by Cart-Mercado Libre-Messages Number of APIs: 3 Single message GET https://api.ecartapi.com/api/v2/packs/{{packID}}/messages/{{id}} Create message POST https://api.ecartapi.com/api/v2/packs/{{packId}}/messages All messages from an order GET https://api.ecartapi.com/api/v2/packs/{{packID}}/messages