# SiftingIO – Cal.com booking page

> Book a short call with the SiftingIO team to discuss market data coverage, API access, pricing, enterprise requirements, or custom data needs.




We can help you evaluate real-time and historical data options across stocks, forex, crypto, commodities, and on-chain markets, and explain how SiftingIO can fit into your product, dashboard, research platform, or internal data workflow.




Useful links:
Create a SiftingIO account
View API documentation

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

## Event types

- [Market Data Demo](https://cal.com/siftingio/quick-call): 15 min, confirmed instantly, event type id 5607042. Get a free 7-day Ultra trial after a 15-minute demo. We'll review your data needs and agree which markets to include. Please book with your SiftingIO account email. Details: https://cal.com/siftingio/quick-call.md
- [Product & Integration](https://cal.com/siftingio/product-integration): 30 min, confirmed instantly, event type id 5607044. Discuss your use case, data requirements, integration, coverage, and pricing. Details: https://cal.com/siftingio/product-integration.md
- [Deep Dive](https://cal.com/siftingio/deep-dive): 45 min, confirmed instantly, event type id 5607043. For detailed technical, commercial, enterprise, or partnership discussions. Details: https://cal.com/siftingio/deep-dive.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