# AI Powered Omni-Channel Lead Generation with Lailec with Martin Lao

> Quick chat to see if Lailec can help you with your sales pipeline. Thoughts on service fit An overview of our services Quick ICP Review Next steps and key questions to be answered

- Host: Martin Lao
- Duration: 30 min
- Location: Google Meet
- Host time zone: Asia/Singapore
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/martin-lao-lailec/30min
- Event type id: 4949571

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=4949571&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": 4949571,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "Website": "…",
    "Company": "…",
    "Linkedin-URL": "…",
    "Job-Title": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `Website` (Website), `Company` (Company), `Linkedin-URL` (Linkedin URL), `Job-Title` (Job Title)
- 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.