# Discovery Call (Process30) with Max from Systro with Maksudur Rahman

> Short coffee chat on Google Meet to get to know each other, learn more about the project, & discuss some potential solutions.

- Host: Maksudur Rahman
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Dublin
- Confirmation: The host confirms each booking; it stays pending until they accept it.
- Booking page: https://cal.com/maksudur-morsegrid/discovery-call-process
- Event type id: 3634119

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=3634119&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": 3634119,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Your-mobile-number": "…",
    "Business-website": "…",
    "What-does-your-business-do---for-how-much-": "…",
    "What-made-you-want-to-contact-us-": "…",
    "What-s-your-current-monthly-rev--USD--": "…",
    "Show-up-for-appointment": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Your-mobile-number` (Phone Number), `Business-website` (Business Website), `What-does-your-business-do---for-how-much-` (What does your business do & for how much?), `What-made-you-want-to-contact-us-` (What made you want to contact us?), `What-s-your-current-monthly-rev--USD--` (What's your current monthly rev (USD)?), `Show-up-for-appointment` (Will you absolutely, 100% be able to make your selected time? If not, please select a different one (or don't schedule at all))
- 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.
- A successful response is a pending booking request.