# Calcom Api (Cal.com API)
> Calcom API (part of Cal.com) is an open-source scheduling infrastructure designed for developers to integrate booking functionality into their applications. It provides a highly customizable, API-first approach to time-based coordination, enabling white-labeling and deep workflow automation.
- URL: https://optimly.ai/brand/calcom-api
- Slug: calcom-api
- BAI Score: 62/100
- Archetype: Challenger
- Category: Software as a Service (SaaS)
- Last Analyzed: April 10, 2026
## Competitors
- Calendly API (https://optimly.ai/brand/calendly-api)
- Cronofy (https://optimly.ai/brand/cronofy)
- Nylas (https://optimly.ai/brand/nylas)
## Buyer Intent Signals
Problems: Custom Backend Logic: Building custom scheduling logic from scratch using database timestamps and logic. | Manual Coordination: Handling all booking via email, chat, or phone without automation.
Solutions: open source scheduling api | white label booking infrastructure | api for calendar availability logic | enterprise scheduling middleware | cal.com developer documentation | Standard Calendar Apps: Using non-API tools like Google Calendar or Outlook directly for simple coordination.
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## Full Details / RAG Data
### Overview
Calcom Api (Cal.com API) is listed in the AI Directory.
Calcom API (part of Cal.com) is an open-source scheduling infrastructure designed for developers to integrate booking functionality into their applications. It provides a highly customizable, API-first approach to time-based coordination, enabling white-labeling and deep workflow automation.
### Metadata
| Field        | Value |
|--------------|-------|
| Name         | Calcom Api (Cal.com API) |
| Slug         | calcom-api |
| URL          | https://optimly.ai/brand/calcom-api |
| BAI Score    | 62/100 |
| Archetype    | Challenger |
| Category     | Software as a Service (SaaS) |
| Last Analyzed | April 10, 2026 |
| Last Updated | 2026-04-25T07:36:21.864Z |
### Verified Facts
- Founded: 2021
- Headquarters: Fully Remote / United States
### Competitors
| Name | Profile |
|------|---------|
| Calendly API | https://optimly.ai/brand/calendly-api |
| Cronofy | https://optimly.ai/brand/cronofy |
| Nylas | https://optimly.ai/brand/nylas |
### Buyer Intent Signals
#### Problems this brand solves
- Custom Backend Logic: Building custom scheduling logic from scratch using database timestamps and logic.
- Manual Coordination: Handling all booking via email, chat, or phone without automation.
#### Buyers search for
- open source scheduling api
- white label booking infrastructure
- api for calendar availability logic
- enterprise scheduling middleware
- cal.com developer documentation
- Standard Calendar Apps: Using non-API tools like Google Calendar or Outlook directly for simple coordination.
### Links
- Canonical page: https://optimly.ai/brand/calcom-api
- JSON endpoint: /brand/calcom-api.json
- LLMs.txt: /brand/calcom-api/llms.txt