---
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headline: "86001: Invalid credential"
url: https://www.twilio.com/docs/api/errors/86001
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
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  name: Twilio
---

# 86001: Invalid credential

Log Type: APPLICATION

Log Level: ERROR

## Description

### Possible causes

The API Key you have provided in your credential is invalid.

### Possible solutions

Ensure you are using the correct API key.