# Intro call with Gabriel Emmanuel Idachaba

> Thirty minutes — a role you're hiring for, a platform you're planning, an application you want built, or an architecture you want a second opinion on. Most of my work is the layer underneath production: infrastructure, delivery pipelines, security and observability. I also build what runs on top — web and mobile applications, and the API integration work that connects them to systems never designed to talk to each other. Tell me what it's about when you book and I'll come prepared.

- Host: Gabriel Emmanuel Idachaba
- Duration: 30 min
- Location: Cal Video
- Host time zone: Africa/Lagos
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/gabriel-emmanuel-idachaba/intro
- Event type id: 6884138

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6884138&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": 6884138,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "title": "…",
    "attendeePhoneNumber": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `title` (What is this meeting about?)
- Optional fields: `attendeePhoneNumber` (Phone number), `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.