---
page_type: error
code: 70153
message: "70153: Public Key Specified Does Not Exist"
level: ERROR
---

## Error - 70153

### Public Key Specified Does Not Exist

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/api/credentials/public-key-client-validation-getting-started)