Get chat messages
This operation gets all messages exchanged between the customer and shoppers while an order is being fulfilled.
Get order messages
This operation gets all of an order’s messages and notifications. This includes the chat messages exchanged between the customer and shoppers, as well as automated order notifications, such as those sent when a shopper replaces an item or completes delivery. The customer-shopper exchanged messages are returned in chatmessages and the status notifications can be found in lifecyclemessages .
Mark messages as read
Marks all the non-read messages sent by the shopper.
Send a message to the shopper
Sends a message to the shopper associated with the order.
Event callback
In addition to the Fulfillment API event callbacks, the Post-checkout API sends a callback to your retailer site when a customer message needs to be sent to the shopper. To enable the callback, contact your Instacart representative.