# Open Practice with GRND yoga  | Bay Area SF

> Join me for a free yoga session in a studio space. This is a strong, bodyweight-based practice focused on building strength, stability, and awareness. Expect an intensive work with body not just stretching. All levels are welcome, with modifications offered, but be ready to move and break a sweat. Spots are limited. Please reserve your place in advance.

- Host: GRND yoga  | Bay Area SF
- Duration: 60 min
- Location: 1 Blackfield Dr Suite 7, Belvedere Tiburon, CA 94920
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/grndyoga/open-practice-studio
- Event type id: 5107192

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=5107192&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": 5107192,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "waiver": "…",
    "TAC_PP": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `waiver` (By checking this box, I confirm that I understand and accept the risks associated with physical activity and I have read, understood, and agree to the terms of the [waiver](https://forms.gle/PdeRn8jWa4RJaXyc9) of GRND yoga LLC.), `TAC_PP` (By checking this box, I confirm that I’ve read, understand and agree to the [Terms and Conditions](https://grnd.yoga/terms) and [Privacy Policy](https://grnd.yoga/privacy) of GRND yoga LLC.)
- Optional fields: `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.