# Discovery Call Session with twentynineelevenstudios

> This is a simple, open conversation about your brand; what you’re building, what’s been challenging, and where things feel incomplete. We take time to understand it properly, then refine the direction and outline what it would take to create something that truly represents your vision.

- Host: twentynineelevenstudios
- Duration: 30, 45, 60, 80 min
- Location: Google Meet
- Host time zone: Africa/Lagos
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/2911studiosbookings/howcanwehelp
- Event type id: 5409727

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5409727&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 5409727,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 30,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (Additional notes), `guests` (Add guests)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `lengthInMinutes` picks one of 30, 45, 60, 80; pass the same value to the slots request as `duration`.
- A successful response is a pending booking request.