---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/52131#article
headline: "52131: Invalid APNs credentials"
url: https://www.twilio.com/docs/api/errors/52131
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 52131: Invalid APNs credentials

Log Level: ERROR

## Description

### Possible causes

* Credential (certificate and private key) is invalid.
* Certificate expired.

### Possible solutions

* Make sure you have valid certificate and private key provided in your Credential.