---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/70153#article
headline: "70153: Public Key Specified Does Not Exist"
url: https://www.twilio.com/docs/api/errors/70153
inLanguage: en
dateModified: 2025-12-12T15:03:58.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 70153: Public Key Specified Does Not Exist

Log Level: ERROR

## Description

The Public Key with the SID provided in the JWT header does exist. This is a Public Key Client Validation Error.

### Possible Solution:

* Update the kid value provided in the JWT header.
* For the details on JWTs used as part of Public Key Client Validation, see [the documentation](/docs/iam/pkcv/quickstart)