# Messages

## SOF43 - Create a thread on a service

 - [POST /api/mms/services/{service_code}/threads](https://developer.mirakl.com/content/product/mms/rest/seller/openapi3/messages/sof43.md): Call FrequencyRecommended usage: At every message threadMaximum usage: At every message thread

## SOR43 - Create a thread on a service order

 - [POST /api/mms/orders/{order_id}/threads](https://developer.mirakl.com/content/product/mms/rest/seller/openapi3/messages/sor43.md): Call FrequencyRecommended usage: At each new message posted on a service orderMaximum usage: At each new message posted on a service order