# Discuss your project with Thenesor with Raul Garcia · Thenesor

> A free, 30-minute conversation about what you want to build, improve or resolve. We'll start by understanding where you are today and what matters most to you. Together we'll talk through your priorities, goals and any challenges standing in the way, then explore how Thenesor could help, with practical ideas suited to your situation. By the end of the call, we'll agree on a clear next step, so you leave knowing exactly where to go from here. Come with a rough idea or just a question; no preparation is needed.

- Host: Raul Garcia · Thenesor
- Duration: 30 min
- Location: Google Meet
- Host time zone: Atlantic/Canary
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/thenesor-intro/30min
- Event type id: 7813535

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7813535&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": 7813535,
  "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.