# Discovery-call with Yomi Gerard

> This is a free 20-minute call — no pitch whatsoever. We use the time to understand your situation. Where you are, what you have tried, and what is not working. If we are a fit, we will tell you. If we are not, we will tell you that too. Most people leave with at least one clear idea of what needs to change — whether we work together or not. To make the most of the call, come prepared to talk about: → What your content looks like right now → What business results you are trying to drive from it → What you have already tried that has not worked I look forward to chatting with you.

- Host: Yomi Gerard
- Duration: 25 min
- Location: Google Meet
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/yomi-gerard/discovery-call
- Event type id: 5336551

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5336551&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": 5336551,
  "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.