# Free Discovery Call — Your Software Project with Muhammad Waseem

> A free, no-pressure 30-minute call to talk through your project — whether it's a web app, mobile or desktop software, a POS/inventory system, or something custom. Here's what we'll cover: • What you're trying to build, who it's for, and the problem it solves • Your timeline, must-have features, and any budget range in mind • The tech approach I'd recommend (your existing stack is welcome — I'm flexible) • Honest feedback on scope, and whether I'm the right fit for it You'll leave with clear next steps. If it's a good match, I'll follow up with a written proposal — fixed quote, milestones, and timeline. No obligation, no sales pressure.

- Host: Muhammad Waseem
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Karachi
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/mwaseemzakir/discovery-call
- Event type id: 6109221

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6109221&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": 6109221,
  "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.