---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/90003#article
headline: "90003: Unable to fetch plugins from the Custom Plugins URL"
url: https://www.twilio.com/docs/api/errors/90003
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 90003: Unable to fetch plugins from the Custom Plugins URL

Log Type: APPLICATION

Log Level: ERROR

## Description

Twilio could not fetch your Flex plugins from your provided plugins URL

### Possible causes

* An invalid content type or no content being returned when Twilio tries to retrieve your plugins using the custom plugins URL.

### Possible solutions

* Check if the custom plugins URL has been set correctly
* The custom plugin URL must return a valid JSON object

See the [Deploying Flex Plugins](/docs/flex/developer/plugins/cli#deploying-to-your-own-cdn) docs for more information.