> ## Documentation Index
> Fetch the complete documentation index at: https://docs.atomscale.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Pause RHEED Stream

> Pause an active RHEED streaming session

Pauses an active RHEED streaming session. Resume the session later with the [resume endpoint](/api-reference/rheed/resume-stream).

<ParamField path="data_id" type="string" required>
  The data entry UUID for the streaming session
</ParamField>

## Response

Returns the data entry UUID as a string.

<RequestExample>
  ```python Python theme={null}
  import requests

  response = requests.post(
      "https://api.atomscale.ai/rheed/stream/d290f1ee-6c54-4b01-90e6-d701748f0851/pause",
      headers={"X-API-KEY": "YOUR_API_KEY"}
  )
  data_id = response.json()
  ```

  ```bash cURL theme={null}
  curl -X POST "https://api.atomscale.ai/rheed/stream/d290f1ee-6c54-4b01-90e6-d701748f0851/pause" \
    -H "X-API-KEY: YOUR_API_KEY"
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  "d290f1ee-6c54-4b01-90e6-d701748f0851"
  ```
</ResponseExample>