# 30 Minute Intro with Amin Astaneh

> Let's diagnose what's actually broken- and build your roadmap to fix it. In this 30-minute intro call, we'll discuss: Your current reliability challenges - outages, slow delivery, team burnout What you've already tried and why it hasn't worked Whether your problems are technical or organizational (spoiler: usually organizational) How the RAPID Assessment works: one week, clear roadmap, flat rate. ($5,000) Whether RAPID is the right fit for your situation You'll walk away with clarity on what's actually holding your team back- and a concrete path forward if we're a good fit to work together. This call is for product and engineering leaders who are ready to stop firefighting and start addressing the root causes.

- Host: Amin Astaneh
- Duration: 30 min
- Location: Zoom Video, Google Meet, Cal Video
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/certomodo/30min
- Event type id: 1323964

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=1323964&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": 1323964,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "role": "…",
    "referral": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `role` (What Describes Your Role Best?), `referral` (How Did You Learn About Us?)
- 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.
- `location` is optional; without it the booking uses the event’s first location.