April 14, 2026AgentsInfrastructureTool

ElevenLabs Guardrails 2.0: Three Walls Between Your Voice Agent and Chaos

Voice agents are the frontier where AI meets real humans in real time. One wrong word and your brand is on Twitter for all the wrong reasons. ElevenLabs just shipped Guardrails 2.0 for their ElevenAgents platform, and the architecture is worth paying attention to.

Three layers. The first reinforces the agent's original instructions throughout an entire conversation, preventing it from drifting off course over long calls. The second catches adversarial inputs, things like prompt injection attempts or social engineering, and can automatically end risky conversations. The third checks every single response against your custom policies before it reaches the user.

All three run in real time with almost no added latency to conversations. The first two layers are free for all ElevenAgents users. Custom guardrails on the third layer are usage-based.

This matters because voice agents are harder to guard than text agents. There is no review button. No edit before send. The words are out the moment they are generated. ElevenLabs also recently became the first company to secure AIUC-1 insurance certification for AI voice agents, which means their systems passed over 5,000 adversarial simulations across safety, security, and reliability.

Guardrails 2.0 is available now in alpha on the ElevenAgents platform.

https://elevenlabs.io/blog/guardrails
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