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

# Web cache read chunk

> Read a chunk of cached web document HTML by character range. Use iteratively for large documents.

`web_cache_read_chunk`

Read a chunk of cached web document HTML by character range. Use iteratively for large documents.

## Parameters

<ParamField path="docId" type="string" required>
  Cached document id returned by fetch tool
</ParamField>

<ParamField path="start" type="integer" default={0}>
  Start index (0-based) in characters Minimum: 0.
</ParamField>

<ParamField path="length" type="integer" default={40000}>
  Max characters to return Minimum: 1000. Maximum: 120000.
</ParamField>