# B12 Injection with Nimesh Vansia

> Vitamin B12 injection.

- Host: Nimesh Vansia
- Duration: 15 min
- Location: 23 HIGH STREET, CHASETOWN, BURNTWOOD, STAFFORDSHIRE, WS7 3XE
- Host time zone: Europe/London
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/nimesh-vansia-zly5df/b12-injection
- Event type id: 7259569

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7259569&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": 7259569,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "marketing-opt-in": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Mobile number)
- Optional fields: `marketing-opt-in` (Yes — I'm happy for Burntwood Clinic (chasetown pharmacy) to contact me by email, SMS and WhatsApp with appointment reminders, health information and offers. I can opt out at any time.), `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.