# Introduction Call with Ismel Figueroa

> I'm currently experiencing a high volume of bookings. If you need to reschedule our call, please send a quick email at least 24 hours in advance. No-shows will be considered a lack of interest in moving forward or not a good fit, as this helps us respect each other’s time. See you in our call, - Ismel

- Host: Ismel Figueroa
- Duration: 20 min
- Location: Zoom Video
- Host time zone: America/Chicago
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/ismelfigueroa/20mins
- Event type id: 871691

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=871691&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": 871691,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Does-your-business-have-a-website-I-can-review-before-our-call-": "…",
    "What-is-your-budget-": "…",
    "Where-did-you-find-me-": "…",
    "smsReminderNumber": "…",
    "notes": "…",
    "Optional": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Does-your-business-have-a-website-I-can-review-before-our-call-` (Does your business have a website I can review before our call?), `What-is-your-budget-` (What is your budget?), `Where-did-you-find-me-` (Where did you find me?), `smsReminderNumber` (Phone number (Text notifications))
- Optional fields: `notes` (Tell me briefly what it is you are looking help for?), `guests` (Add guests), `Optional` (Do you also need help with any of these services? (optional))
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.