# 3sb Intro with Miles Mufuka Martin

> We'll discuss your vision for what you want to build and address any questions about the process. We'll also cover fit, expectations regarding pricing, timelines, and possible next steps. Looking forward to our conversation! www.3sb.io/

- Host: Miles Mufuka Martin
- Duration: 20 min
- Location: Google Meet
- Host time zone: America/New_York
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/mufuka/3sb-intro-call
- Event type id: 1877908

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1877908&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": 1877908,
  "start": "<UTC ISO 8601 start from the slots response>",
  "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.