Creating a Private Key JWT when a Client Has Multiple Public/Private Key Pairs
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API Access Management
Okta Classic Engine
Okta Identity Engine
Overview
This article discusses creating a private key JWT when a client has multiple public/private key pairs.
When a client has multiple public/private key pairs, the following error will occur if a key ID is not included in the JWK header:
{"error":"invalid_client","error_description":"The client_assertion JWT kid is invalid."}
Applies To
- OAuth
- Okta API
Solution
To avoid this error, ensure that the keyID (kid) parameter found on the public key is present in the JWK header:
