# Create IM non-inclusive

{% hint style="info" %}
**Important**: This endpoint also allows the creation of Multi-party Instant Messages (MIM), which are not supported anymore. If you need to create a chat with several participants, please create a room instead.
{% endhint %}

## Create a new single or multi party instant message conversation

> At least two user IDs must be provided or\
> an error response will be sent.\
> \
> The caller is not included in the members of the\
> created chat.\
> \
> Duplicate users will be included in the membership of the chat but\
> the duplication will be silently ignored.\
> \
> If there is an existing IM conversation with the same set of participants then\
> the id of that existing stream will be returned.<br>

```json
{"openapi":"3.1.1","info":{"title":"Pod API","version":"20.17.1"},"servers":[{"url":"http://yourpodURL.symphony.com/pod"}],"paths":{"/v1/admin/im/create":{"post":{"summary":"Create a new single or multi party instant message conversation","description":"At least two user IDs must be provided or\nan error response will be sent.\n\nThe caller is not included in the members of the\ncreated chat.\n\nDuplicate users will be included in the membership of the chat but\nthe duplication will be silently ignored.\n\nIf there is an existing IM conversation with the same set of participants then\nthe id of that existing stream will be returned.\n","parameters":[{"schema":{"type":"string"},"name":"sessionToken","description":"Session authentication token.","in":"header","required":true}],"tags":["Streams"],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Stream"}}}},"400":{"description":"Client error, see response body for further details.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"401":{"description":"Unauthorized: Invalid session token.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"403":{"description":"Forbidden: Caller lacks necessary entitlement.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}},"500":{"description":"Server error, see response body for further details.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}}}},"requestBody":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/UserIdList"}}},"description":"List of (integer) User IDs of participants","required":true}}}},"components":{"schemas":{"Stream":{"type":"object","properties":{"id":{"type":"string"}}},"Error":{"type":"object","properties":{"code":{"type":"integer","format":"int32"},"message":{"type":"string"}}},"UserIdList":{"type":"array","items":{"type":"integer","format":"int64"}}}}}
```

* Two participants must be specified.
* If a user ID appears in the list multiple times, duplicates will be ignored.
* If there is an existing IM conversation with the specified participants, then the id of the existing stream will be returned.
* Use [Create IM](https://rest-api.symphony.com/main/streams-conversations/im-mim-endpoints/create-im-or-mim) to include the calling user.

> #### 🚧 Required Permissions
>
> This endpoint can only be called by Service Users with the User Provisioning role.\
> See [Bot Permissions](https://docs.developers.symphony.com/building-bots-on-symphony/configuration/bot-permissions) for a list of roles and associated privileges.

> #### 📘 Overview of streams
>
> A stream is like a container for messages exchanged between two or more users via a given instant message (IM) or chat room. For more information, refer to [Overview of streams](https://docs.developers.symphony.com/building-bots-on-symphony/datafeed/overview-of-streams).