# ApiKeyAuth Configuration for classic API-key authentication. Prefer `builder()` to the canonical record constructor. Builder-based call sites remain source-compatible when optional fields are added in later SDK versions. - `inlineSecret` (`String`): Secret stored directly in GoodMem (mutually exclusive with secretRef) - `secretRef` (`SecretReference`): Reference to an external secret manager entry (mutually exclusive with inlineSecret) - `headerName` (`String`): Desired HTTP header to carry the credential (defaults to Authorization) - `prefix` (`String`): Optional prefix prepended to the secret (e.g., "Bearer ") [Java](../../java.md) Related types — open only those used by your request: - [SecretReference](SecretReference.md)