---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420004#article
headline: "420004: Content exceeds knowledge size limits"
url: https://www.twilio.com/docs/api/errors/420004
inLanguage: en
dateModified: 2026-04-01T17:30:49.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420004: Content exceeds knowledge size limits

Log Type: TWILIO

Log Level: ERROR

## Description

Submitted content exceeds platform size limitations and was rejected.

### Possible causes

* Content payload size is larger than the maximum allowed by knowledge limits (210KB)

### Possible solutions

* Shorten the input text or divide the payload into smaller, paginated segments
* Summarize the content before uploading
* Use file upload instead of direct text content for larger documents