{"history":[],"article":{"id":"4b26eb88-f475-4c96-8667-13cd48937555","title":"Web Calendar Access Protocol","slug":"web-calendar-access-protocol","content":":::summary\n:::\n\n# \n**Web Calendar Access Protocol** (**WCAP**) is a protocol for remote client-server calendar access and scheduling based on the [XML](https://bliptext.com/articles/xml), [HTTP](https://bliptext.com/articles/http), [iCalendar](https://bliptext.com/articles/icalendar), and [vCard](https://bliptext.com/articles/vcard) [Internet](https://bliptext.com/articles/internet) standards.\nWCAP was created for use with the product that eventually became [Sun Java System Calendar Server](https://bliptext.com/articles/sun-java-system-calendar-server).\nWCAP uses simple HTTP GET commands for accessing iCalendar, Freebusy, TODO and vCard entries.\nWCAP responses are either the traditional text form or an XML form of iCalendar/etc.\nSeveral plugins exist including those for [Mozilla Thunderbird](https://bliptext.com/articles/mozilla-thunderbird), [Novell Evolution](https://bliptext.com/articles/novell-evolution) and [Microsoft Outlook](https://bliptext.com/articles/microsoft-outlook).\n[CalDAV](https://bliptext.com/articles/caldav) is a competing protocol which as of 2007 underwent standardization.\n\n# Example\n\n## Client\nGET /wcap/get_freebusy.wcap?appid=mozilla-calendar&calid=mailto%3Atom%40localhost&busyonly=1&dtstart=20070521T040000Z&dtend=20070525T040000Z&fmt-out=text%2Fxml&id=17046506 HTTP/1.1\nHost: localhost:8080\nUser-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.10) Gecko/20070403 Thunderbird/1.5.0.10\nAccept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5\nAccept-Language: en-us,en;q=0.5\nAccept-Encoding: gzip, deflate\nAccept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\nKeep-Alive: 300\nConnection: keep-alive\nPragma: no-cache\nCache-Control: no-cache\n\n## Response\nHTTP/1.1 200 OK Server: Apache-Coyote/1.1\nX-Powered-By: Servlet 2.4; JBoss-4.0.4.GA (build: CVSTag=JBoss_4_0_4_GA date=200605151000)/Tomcat-5.5\nSet-Cookie: JSESSIONID=41DAC48C79927D68EDFAF5FBFD491236; Path=/\nContent-Type: text/html;charset=ISO-8859-1\nContent-Length: 1399\nDate: Mon, 21 May 2007 19:43:37 GMT\n\n\n\n20061102T170639Z\n20060814T110002Z\n999\n999\ntom\ntom\ntom\n@@o^c^WDEIC^g\n@@o^a^RSF^g\n@^a^rsf^g\n@^c^^g\n@^p^r^g\n0\n1\n\n20070521T040000Z\n20070525T040000Z\n20070521T130000Z/20070521T140000Z20070521T150000Z/20070521T160000Z\n\n0\n\n","current_revision":null,"created_by":"kACnuQmH5k9Nr5VNVEpVeg7XpvUmMctD","created_at":"2025-01-26T09:46:42.472Z","updated_at":"2025-01-26T09:46:42.472Z","search_vector":"'access':3 'calendar':2 'protocol':4 'web':1","search_content":" \n \n\n# \n**Web Calendar Access Protocol** (**WCAP**) is a protocol for remote client-server calendar access and scheduling based on the [XML](https://bliptext.com/articles/xml), [HTTP](https://bliptext.com/articles/http), [iCalendar](https://bliptext.com/articles/icalendar), and [vCard](https://bliptext.com/articles/vcard) [Internet](https://bliptext.com/articles/internet) standards.\nWCAP was created for use with the product that eventually became [Sun Java System Calendar Server](https://bliptext.com/articles/sun-java-system-calendar-server).\nWCAP uses simple HTTP GET commands for accessing iCalendar, Freebusy, TODO and vCard entries.\nWCAP responses are either the traditional text form or an XML form of iCalendar/etc.\nSeveral plugins exist including those for [Mozilla Thunderbird](https://bliptext.com/articles/mozilla-thunderbird), [Novell Evolution](https://bliptext.com/articles/novell-evolution) and [Microsoft Outlook](https://bliptext.com/articles/microsoft-outlook).\n[CalDAV](https://bliptext.com/articles/caldav) is a competing protocol which as of 2007 underwent standardization.\n\n# Example\n\n## Client\nGET /wcap/get_freebusy.wcap?appid=mozilla-calendar&calid=mailto%3Atom%40localhost&busyonly=1&dtstart=20070521T040000Z&dtend=20070525T040000Z&fmt-out=text%2Fxml&id=17046506 HTTP/1.1\nHost: localhost:8080\nUser-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.10) Gecko/20070403 Thunderbird/1.5.0.10\nAccept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5\nAccept-Language: en-us,en;q=0.5\nAccept-Encoding: gzip, deflate\nAccept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\nKeep-Alive: 300\nConnection: keep-alive\nPragma: no-cache\nCache-Control: no-cache\n\n## Response\nHTTP/1.1 200 OK Server: Apache-Coyote/1.1\nX-Powered-By: Servlet 2.4; JBoss-4.0.4.GA (build: CVSTag=JBoss_4_0_4_GA date=200605151000)/Tomcat-5.5\nSet-Cookie: JSESSIONID=41DAC48C79927D68EDFAF5FBFD491236; Path=/\nContent-Type: text/html;charset=ISO-8859-1\nContent-Length: 1399\nDate: Mon, 21 May 2007 19:43:37 GMT\n \n \n \n 20061102T170639Z \n 20060814T110002Z \n 999 \n 999 \n tom \n tom \n tom \n @@o^c^WDEIC^g \n @@o^a^RSF^g \n @^a^rsf^g \n @^c^^g \n @^p^r^g \n 0 \n 1 \n \n 20070521T040000Z \n 20070525T040000Z \n 20070521T130000Z/20070521T140000Z 20070521T150000Z/20070521T160000Z \n \n 0 \n \n ","revisionCount":0},"hasMore":false,"nextCursor":null}

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