---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/21474#article
headline: "21474: API User must be the parent account to transfer phone numbers."
url: https://www.twilio.com/docs/api/errors/21474
inLanguage: en
dateModified: 2025-12-18T21:40:49.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 21474: API User must be the parent account to transfer phone numbers.

Log Level: ERROR

## Description

The API user can not be a subaccount, must be a parent account to transfer phone numbers between parent and child accounts.