---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420006#article
headline: "420006: Failed to crawl or fetch the URL"
url: https://www.twilio.com/docs/api/errors/420006
inLanguage: en
dateModified: 2026-04-01T03:32:01.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420006: Failed to crawl or fetch the URL

Log Type: TWILIO

Log Level: ERROR

## Description

The ingestion crawler was unable to access the target URL.

### Possible causes

* URL is unreachable or exceeds standard timeout thresholds
* The target site is restricted by robots.txt policy or firewall

### Possible solutions

* Ensure the target URL is publicly accessible, whitelisted, and responds promptly
* Test connectivity using external tools like curl before initiating ingestion