# Messages

## SOF43 - Create a thread on a service

 - [POST /api/mms/services/{service_code}/threads](https://developer.mirakl.com/content/product/mms/rest/front/openapi3/messages/sof43.md): Call Frequency

Recommended usage: At every message thread
Maximum usage: At every message thread
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## SOR43 - Create a thread on a service order

 - [POST /api/mms/orders/{order_id}/threads](https://developer.mirakl.com/content/product/mms/rest/front/openapi3/messages/sor43.md): Call Frequency

Recommended usage: At each new message posted on a service order
Maximum usage: At each new message posted on a service order
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