> ## 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.

# Delete Target Materials

> Delete one or more target materials

Permanently removes target material records, including their layer stacks.

<ParamField query="target_material_ids" type="array" required>
  Array of target material IDs to delete (passed as repeated query parameters)
</ParamField>

## Response

Returns an empty response on success.

<RequestExample>
  ```bash cURL theme={null}
  curl -X DELETE "https://api.atomscale.ai/target-materials/?target_material_ids=42&target_material_ids=43" \
    -H "X-API-KEY: YOUR_API_KEY"
  ```

  ```python Python theme={null}
  import requests

  response = requests.delete(
      "https://api.atomscale.ai/target-materials/",
      headers={"X-API-KEY": "YOUR_API_KEY"},
      params={"target_material_ids": [42, 43]}
  )
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {}
  ```
</ResponseExample>