apex-secrets-and-protected-cmdt

Storing API keys, signing secrets, and third-party tokens that Apex must consume — Protected Custom Metadata in a managed package, Protected Custom Settings, Encrypted Custom Fields, Apex Crypto, and what to NEVER do (hardcode, unprotected CMDT, System.debug). NOT for callout authentication — see apex-named-credentials-patterns; NOT for record-level data en…

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