{"slug":"cal-com-api","name":"Cal.com API","host":"api.cal.com","site":"https://cal.com","category":"productivity","docsUrl":null,"sources":[{"kind":"openapi","url":"https://cal.com/docs/api-reference/v2/openapi.json"},{"kind":"archive","url":"https://cal.com/docs/enterprise-features/api/versioning"}],"url":"https://www.okapi.bot/providers/cal-com-api/","json":"https://www.okapi.bot/api/v1/providers/cal-com-api.json","breakingChanges":[{"slug":"api-v1-stops-working","api":"cal-com-api","title":"API v1 stops working","kind":"version_retirement","outcome":"fails","model":null,"announcedAt":null,"effectiveAt":"2026-04-08","scope":null,"calls":["/v1/*"],"method":null,"path":"/v1/*","source":{"url":"https://cal.com/docs/enterprise-features/api/versioning","kind":"archive"},"quote":"API v1 was shut down on April 8, 2026. All v1 endpoints have been removed.","migration":"Call https://api.cal.com/v2 with the API key in an Authorization: Bearer header and a cal-api-version header (e.g. 2024-08-13), following the endpoint-by-endpoint v1 to v2 guide.","migrationChange":null,"needsDecision":null,"text":{"summary":"On April 8, 2026, API v1 will be shut down and all /v1/* endpoints will fail. The provider is removing these endpoints entirely, meaning requests sent to them will no longer work after that date.","migration":"Direct calls to the v2 API instead, passing the API key in an Authorization Bearer header along with a cal-api-version header, and follow the endpoint-by-endpoint migration guide.","by":"writer"},"publishedAt":"2026-10-23T09:55:07.427Z","updatedAt":"2026-10-24T09:50:51.522Z","status":"in_effect","tone":"broken","url":"https://www.okapi.bot/providers/cal-com-api/breaking-changes/api-v1-stops-working/"}]}