{"name":"Cal.com API (Open Source)","domain":"cal.com","url":"https://optimly.ai/brand/cal-com-api-open-source","is_claimed":false,"categories":["collaboration-productivity","developer-tools"],"headers":[{"header":"Overview","sections":[{"key":"short_description","label":"Tagline","shape":"text","content":"It provides a completely headless, open-source scheduling infrastructure that allows developers to maintain full control over their data and user experience.","source_type":"1p_website","source_label":"Brand's website","source_url":"https://cal.com","updated_at":"2026-10-04T00:05:38.814000+00:00"},{"key":"description","label":"Description","shape":"text","content":"Cal.com API is the developer-focused infrastructure for the Cal.com scheduling platform. It provides programmable access to calendar synchronization, event booking, and availability management, allowing developers to build custom scheduling workflows into their own applications. Unlike proprietary competitors, it is built on an open-source core with a focus on extensibility and data sovereignty.","source_type":"1p_website","source_label":"Brand's website","source_url":"https://cal.com","updated_at":"2026-10-04T00:05:38.814000+00:00"}]},{"header":"Offerings","sections":[{"key":"core_capabilities","label":"Core capabilities","shape":"text","content":"Scheduling API\nWebhooks\nBranding/White-labeling\nAtom components","source_type":"1p_website","source_label":"Brand's website","source_url":"https://cal.com","updated_at":"2026-10-04T00:05:38.814000+00:00"},{"key":"pricing","label":"Pricing","shape":"text","content":"Freemium / Enterprise Licensing for API","source_type":"1p_website","source_label":"Brand's website","source_url":"https://cal.com","updated_at":"2026-10-04T00:05:38.814000+00:00"}]},{"header":"Audience","sections":[{"key":"target_industry","label":"Target industry","shape":"text","content":"Software Developers, SaaS Platforms, Marketplaces, Healthcare Portals","source_type":"1p_website","source_label":"Brand's website","source_url":"https://cal.com","updated_at":"2026-10-04T00:05:38.814000+00:00"}]},{"header":"Landscape","sections":[{"key":"competitors","label":"Competitors","shape":"links","content":[{"url":null,"name":"Calendly API"},{"url":null,"name":"Cronofy"},{"url":null,"name":"Nylas-Scheduler"},{"url":null,"name":"Acquire.com (Scheduling functionality)"}],"source_type":"1p_website","source_label":"Brand's website","source_url":"https://cal.com","updated_at":"2026-10-04T00:05:38.814000+00:00"}]}],"last_refreshed_at":"2026-10-04T00:05:38.814000+00:00","last_changed_at":"2026-10-17T23:41:31.185115+00:00","claim_url":"https://app.optimly.ai/sign-up?claim=99b841ec-17fe-4654-9a44-6c9468f44900"}