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

# Get Merkle Tree Insertions

Gets merkle tree insertions in the relayetr database

<Expandable title="Query Parameters">
  <ParamField query="domain_id" type="number" required>
    Chain domain ID (u32)
  </ParamField>

  <ParamField query="leaf_index_start" type="number" required>
    Starting leaf index (inclusive) (u32)
  </ParamField>

  <ParamField query="leaf_index_end" type="number" required>
    Ending leaf index (inclusive) (u32)
  </ParamField>
</Expandable>

<Expandable title="Response Body">
  <ResponseField name="merkle_tree_insertions" type="MerkleTreeInsertion[]">
    Array of merkle tree insertion data

    <Expandable title="merkle_tree_insertions">
      <ParamField query="insertion_block_number" type="u64" required>
        Block number of merkle tree insertion
      </ParamField>

      <ParamField query="leaf_index" type="u32" required>
        Leaf index
      </ParamField>

      <ParamField query="message_id" type="string" required>
        Message ID
      </ParamField>
    </Expandable>
  </ResponseField>
</Expandable>

<ResponseExample>
  ```json Response theme={null}
  {
    "merkle_tree_insertions": [
      {
        "insertion_block_number": null,
        "leaf_index": 100,
        "message_id": "0xabc..."
      }
    ]
  }
  ```
</ResponseExample>

<RequestExample>
  ```bash curl theme={null}
  curl localhost:9090/merkle_tree_insertions?domain_id=1&leaf_index_start=100&leaf_index_end=200
  ```

  ```javascript JavaScript theme={null}
  const response = await fetch('http://localhost:9090/merkle_tree_insertions');
  const insertions = await response.json();
  ```

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

  response = requests.get('http://localhost:9090/merkle_tree_insertions')
  insertions = response.json()
  ```
</RequestExample>