# Jake Manger – Cal.com booking page

> A PhD student turned indie dev building software like a madman https://howtoconvert.co ($5k/mo) https://shotglass.app (new) https://pictiler.com ($57/mo) +2 failures

Booking page: https://cal.com/jakemanger

## Event types

- [Qualification for discounts](https://cal.com/jakemanger/qualification-for-discounts): 5 min, confirmed instantly, event type id 4969972. If email verification is not possible, this qualifies you for discounts (e.g. student discount) Details: https://cal.com/jakemanger/qualification-for-discounts.md
- [Customer Support](https://cal.com/jakemanger/15min): 10 min, confirmed instantly, event type id 4969962. If you need a quick bit of customer support, please let me know here and I can help you out Details: https://cal.com/jakemanger/15min.md

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=<event type id>&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

Each event type's `.md` document lists its required booking fields and the `POST https://api.cal.com/v2/bookings` request (`cal-api-version: 2026-02-25`).

## More

- API docs: https://cal.com/docs/api-reference/v2/introduction