I'm having the same issue, there's also other people on Reddit talking about this.
I suspect it may be a configuration issue because it seems that openai is a customer of arkoselabs, but who knows...
Santiago Ingold - Information Security - Montevideo, Uruguay
Feel free to contact me at firstname.lastname at the google mail service.
[ my public key: https://keybase.io/santiago; my proof: https://keybase.io/santiago/sigs/sno_DJyyCgK6AzzmKJWXkQT54oKws94QpPJO_TBUiis ]