---
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"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/21242#article
headline: "21242: Maximum Credentials Reached for List"
url: https://www.twilio.com/docs/api/errors/21242
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
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  name: Twilio Developer Education Team
publisher:
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  name: Twilio
---

# 21242: Maximum Credentials Reached for List

Log Type: APPLICATION

Log Level: ERROR

## Description

Credential Lists cannot contain more than 1000 Credentials.

### Possible causes

* Credential Lists cannot contain more than 1000 Credentials.

### Possible solutions

* Delete Credentials from your Credential List if you must create more.