---
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"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/13511#article
headline: "13511: Say: Invalid voice value"
url: https://www.twilio.com/docs/api/errors/13511
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 13511: Say: Invalid voice value

Log Type: APPLICATION

Log Level: WARNING

## Description

The value of the voice attribute must be valid one.\
See the [Say Verb](/docs/voice/twiml/say#voice) API Reference for more information.

### Possible causes

* You have entered an invalid attribute for voice parameter

### Possible solutions

* Enter a valid voice as parameter