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

# Get Header By Hash

> Get block header by hash

### Query Parameters

<ParamField query="hash" type="string" required>
  Block hash
</ParamField>

### Response

<ResponseField name="response" type="object">
  <p>Header information</p>

  <Expandable title="Properties">
    <ResponseField name="header" type="object">
      <p>Block header data</p>
    </ResponseField>
  </Expandable>
</ResponseField>