# Discovery call with Matthew Djemrovski

- Host: Matthew Djemrovski
- Duration: 60 min
- Location: Google Meet
- Host time zone: Europe/Belgrade
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/endstutter/discovery-call
- Event type id: 4051598

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4051598&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": 4051598,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "smsReminderNumber": "…",
    "How-severe-is-your-stutter-currently": "…",
    "Explain-your-stutter-in-different-situations-----About-half-the-times-I-order-food--I-experience-blocks----I-m-almost-completely-fluent-when-talking-to-myself--I-rarely-repeat-a-word-and-I-never-block-when-talking-to-myself": "…",
    "Through-which-platform-was-the-call-booked": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `smsReminderNumber` (Phone number (Text notifications)), `How-severe-is-your-stutter-currently` (How severe is your stutter currently?), `Explain-your-stutter-in-different-situations-----About-half-the-times-I-order-food--I-experience-blocks----I-m-almost-completely-fluent-when-talking-to-myself--I-rarely-repeat-a-word-and-I-never-block-when-talking-to-myself` (Explain your stutter in different situations.  ("About half the times I order food, I experience blocks", "I'm almost completely fluent when talking to myself. I rarely repeat a word and I never block when talking to myself.", ...)), `Through-which-platform-was-the-call-booked` (Through which platform was the call booked?)
- 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.