# 20 min meeting with Kiran Chahal

> A focused 20 minutes to figure out if Sprint10 is the right fit for your project. We'll cover: What you're trying to build and why it matters to the business Whether it fits a fixed-scope 10-Day Build or needs a different approach Rough price band and realistic timeline Next steps if it's a fit (no pressure if it isn't) Come with a rough idea of the problem you're solving — you don't need a spec.

- Host: Kiran Chahal
- Duration: 20 min
- Location: Google Meet
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/kiran-chahal-n1sio7/20min
- Event type id: 6255678

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6255678&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": 6255678,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "What-does-your-business-do--in-one-line": "…",
    "What-s-the-main-thing-you-want-built-or-fixed": "…",
    "Does-a-fixed-price-starting-from--2-000-work-for-what-you-have-in-mind": "…",
    "What-are-you-using-instead-right-now----e-g--a-spreadsheet--WhatsApp--another-tool": "…",
    "Roughly-how-many-people-would-use-this-day-to-day": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `What-does-your-business-do--in-one-line` (What does your business do, in one line?), `What-s-the-main-thing-you-want-built-or-fixed` (What's the main thing you want built or fixed?), `Does-a-fixed-price-starting-from--2-000-work-for-what-you-have-in-mind` (Does a fixed price starting from £2,000 work for what you have in mind?)
- Optional fields: `guests` (Add guests), `What-are-you-using-instead-right-now----e-g--a-spreadsheet--WhatsApp--another-tool` (What are you using instead right now? — e.g. a spreadsheet, WhatsApp, another tool), `Roughly-how-many-people-would-use-this-day-to-day` (Roughly how many people would use this day-to-day?), `notes` (Additional notes)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.