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How to Protect API Keys in SMS and WhatsApp Integrations
An API key is an application credential and must be treated like a system password, not public configuration.
Never put an API key in a repository, frontend JavaScript, documentation screenshot or public message. Store secrets in environment variables or a secret manager accessible only to the server components that need them.
Limit and rotate credentials
Limit credential permissions when the platform supports it. Rotate keys regularly or immediately after a suspected leak. Make sure logs never print Authorization headers or complete tokens.
Separate environments
Use different credentials for development, staging and production. An incident in one environment should not automatically expose another.
Connect your business communication with DNY Mobile
Use DNY Mobile services for SMS and WhatsApp through dashboard or API.