---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/99001#article
headline: "99001: Deprecated: AI Assistants has been discontinued"
url: https://www.twilio.com/docs/api/errors/99001
inLanguage: en
dateModified: 2026-08-04T16:11:23.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 99001: Deprecated: AI Assistants has been discontinued

Log Type: TWILIO

Log Level: ERROR

> \[!WARNING]
>
> This error code has been deprecated and is no longer generated by AI Assistants. You will no
> longer receive this error.

## Description

The discontinued AI Assistants product previously used this error code. We retain it here to avoid breaking existing links.

### Possible causes

Not applicable. AI Assistants has been discontinued and no longer returns this error.

### Possible solutions

Not applicable.