---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/50526#article
headline: "50526: Invalid content SID"
url: https://www.twilio.com/docs/api/errors/50526
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 50526: Invalid content SID

Log Type: TWILIO

Log Level: ERROR

## Description

An invalid value was specified for the message content sid

### Possible causes

Content SID does not match the pattern HX\[0-9a-f]\{32}

### Possible solutions

Proper message Content SID value should be provided.