---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/19005#article
headline: "19005: Contact validation error"
url: https://www.twilio.com/docs/api/errors/19005
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 19005: Contact validation error

Log Type: APPLICATION

Log Level: ERROR

## Description

The data provided in the request body is invalid

### Possible causes

Invalid string length, invalid data type

### Possible solutions

Review the request body and the API documentation for more information