> ## 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 tail

> Read the last N characters of a cached web document to verify and process tail content.

`web_cache_read_tail`

Read the last N characters of a cached web document to verify and process tail content.

## Parameters

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

<ParamField path="length" type="integer" default={15000}>
  Number of characters from the end Minimum: 2000. Maximum: 80000.
</ParamField>