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End-to-End Encryption

End-to-end encryption (E2EE) is a communication security method where only the sender and recipient can read the messages, preventing any intermediary — including the service provider — from accessing the content.

In Depth

E2EE ensures that customer conversations remain private even if the communication platform is compromised. Messages are encrypted on the sender's device and can only be decrypted by the recipient's device — the server that relays the messages never has access to the unencrypted content. WhatsApp, which many businesses use for customer support, provides E2EE by default for personal messages.

However, when businesses use the WhatsApp Business API, messages are decrypted at the business endpoint, which is necessary for AI agents to process and respond to messages. For sensitive industries like healthcare and finance, E2EE is often a regulatory requirement. The tradeoff with AI-powered support is that AI agents need access to message content to function, so E2EE implementations must carefully balance security with functionality.

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