# Calcom Api Calendso

> Publicly sourced profile assembled by Optimly, in the Optimly AI Brand Index. Last refreshed 2026-10-04.

- **Business Profile:** https://optimly.ai/brand/calcom-api-calendso
- **Dataset:** https://optimly.ai/brand/calcom-api-calendso.json
- **Markdown:** https://optimly.ai/brand/calcom-api-calendso/llms.txt
- **Official website:** https://cal.com
- **Slug:** calcom-api-calendso
- **Categories:** collaboration-productivity, developer-tools

## Overview

- **Tagline:** The only open-source, API-first scheduling infrastructure that offers both a hosted SaaS and a fully customizable, self-hosted version for total data control.
Source: Brand's website (https://cal.com) · 2026-10-04

- **Description:** Cal.com (formerly Calendso) is an open-source scheduling infrastructure that enables users to build their own booking workflows. It provides an API-first approach, allowing for deep integration into existing applications while maintaining privacy and data sovereignty through self-hosting options.
Source: Brand's website (https://cal.com) · 2026-10-04

## Offerings

- **Core capabilities:**
  - Cal.com SaaS
  - Cal.com API
  - Self-hosted scheduling engine
  - Cal Atoms (UI components)
Source: Brand's website (https://cal.com) · 2026-10-04

- **Pricing:** Freemium / Subscription / Enterprise Custom
Source: Brand's website (https://cal.com) · 2026-10-04

## Audience

- **Target industry:** Developers, Startups, Healthcare, Education, Enterprise IT
Source: Brand's website (https://cal.com) · 2026-10-04

## Landscape

- **Competitors:**
  - Calendly
  - Vivy (formerly Cron) / Notion Calendar
  - Chili Piper
  - Acquire / TidyCal
Source: Brand's website (https://cal.com) · 2026-10-04

Page last updated 2026-10-17.