# TCM Appointment with Better By Chance

- Host: Better By Chance
- Duration: 30, 45, 60, 90 min
- Location: 51 Temple St, Singapore 058596, Singapore
- Host time zone: Asia/Singapore
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/better-by-chance-s2t2k4/tcm-appointment
- Event type id: 6981112

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6981112&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": 6981112,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 60,
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "First-Time-Patient": "…",
    "Services-Requested": "…",
    "Primary-Health-Concern---Symptoms": "…",
    "Existing-Medical-Conditions---Allergies": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `First-Time-Patient` (First Time Patient?), `Services-Requested` (Services Requested)
- Optional fields: `guests` (Add guests), `Primary-Health-Concern---Symptoms` (Primary Health Concern / Symptoms), `Existing-Medical-Conditions---Allergies` (Existing Medical Conditions / Allergies)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `lengthInMinutes` picks one of 30, 45, 60, 90; pass the same value to the slots request as `duration`.