# Start a restream

```
POST 
/restreams/:id/start
```

Starts pushing the source stream to the target; the restream status becomes `active`. The source and target are validated again as on creation. An `engine` restream can only be started while its engine is not stopped (409 `engine_not_running`) and is stopped automatically when the engine stops. Returns 409 `already_active` when the restream is already active.

## Request

## Responses

**204**

Restream started

**503**

Region information is temporarily unavailable; retry the request.