This happens because you’re using a free-tier 11Labs API key, switching to a paid plan and generating a new unrestricted API key usually fixes this. If you’re already on a paid plan, regenerate the key and ensure it’s correctly pasted in Vapi → Integrations tab..
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Subrat Sagar
06/29/2025, 9:15 AM
Can you send the screenshot from 11labs where you see production API key?
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nastiushka7657
06/29/2025, 10:59 AM
Thanks for your quick reply! Yes, ElevenLabs account is paid but the API key was restricted so I made it unrestricted. Now it works, thank you!