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Retell AI

Hi, API key to check and book availability. I get this error, is this a problem since switching from V1? Any help?
https://cdn.discordapp.com/attachments/1479052900574429245/1479052900784410766/Screenshot_2026-03-05_at_8.46.12_PM.png?ex=69aaa2db&is=69a9515b&hm=da78399b7bc4215cfc8cbc75519b677abacd6fdaf9e309917a1d84ee0957c2e9&
https://cdn.discordapp.com/attachments/1479052900574429245/1479052901056909436/Screenshot_2026-03-05_at_8.47.07_PM.png?ex=69aaa2db&is=69a9515b&hm=6280d4ac8980ff46021ab9cc15caa07271eaf8505403cbad1d7e7242727f68c1&

The 403 Forbidden error you're seeing means the Cal.com API key configured in your Retell agent is invalid, expired, or doesn't have the correct permissions.

changed to US and seems to work now. Thanks