Error: AI Voice Agent not booking the meeting (technical issue error code 400)
Hey I need an urgent help with booking appointments on my cal.com using 11labs voice agent.
I don't know why my meeting is not getting booked despite trying several attempts.
Here is the error code full:
Tool failed: book_meeting
Webhook call
Requested URL
POST
cal-api-version
2024-08-13
Content-Type
application/json
Authorization
REDACTED
request body:
{
"lengthInMinutes": 30,
"start": "2025-09-10T05:30:00Z",
"attendee": {
"timeZone": "Asia/Kolkata",
"email": "[email protected]",
"name": "Ayan"
},
"eventTypeId": 3284192
}
Parameters extracted by LLM:
{
"start": "2025-09-10T05:30:00Z",
"eventTypeId": 3284192,
"lengthInMinutes": 30,
"attendee": {
"name": "Ayan",
"email": "[email protected]",
"timeZone": "Asia/Kolkata"
}
}
Error code:400. Details: 400, message='Bad Request', url='https://api.cal.com/v2/bookings'
Can anyone tell me what's wrong?
7
13 comments
Md Ayaan Ali
4
Error: AI Voice Agent not booking the meeting (technical issue error code 400)
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