# Strength Training Course – Session 1: Squat & Bench Press with Strongerthanyesterday

> A two-part strength training course covering the four core barbell lifts: squat, bench press, overhead press and deadlift. Each session lasts 2 hours and combines practical technique coaching with safe setup, appropriate equipment and basic programming principles. Session 1: Squat & Bench Press Session 2: Overhead Press & Deadlift The €240 price covers both sessions and is paid in full when you book Session 1. After payment, you will receive a personal booking link by email to schedule Session 2 separately.

- Host: Strongerthanyesterday
- Duration: 120 min
- Location: In Person (Organizer Address)
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Payment: required, and collected on the booking page.
- Booking page: https://cal.com/strongerthanyesterday-exrodo/strength-training-course-session-1-squat-bench-press
- Event type id: 6789638

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6789638&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": 6789638,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "bookingFieldsResponses": {
    "How-did-you-hear-about-Stronger-Than-Yesterday": "…",
    "legal_acceptance": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `How-did-you-hear-about-Stronger-Than-Yesterday` (How did you hear about Stronger Than Yesterday?), `legal_acceptance` (I have read and accept the [AGB](https://strongerthanyesterday.de/agb.html) and have taken note of the [Datenschutzerklärung](https://strongerthanyesterday.de/datenschutz.html) and [Widerrufsbelehrung](https://strongerthanyesterday.de/widerruf.html).)
- 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.