# Free Project Discovery Call with ts9designs

> Schedule a free 15-minute consultation with TS9Designs to discuss your upcoming residential or commercial project. During this call, we will review your project scope, location, engineering needs, and anticipated timeline to determine how we can assist.

- Host: ts9designs
- Duration: 15 min
- Location: Cal Video
- Host time zone: Africa/Nairobi
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/ts9designs/discoverycall
- Event type id: 7752301

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7752301&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": 7752301,
  "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.