{"id":1024,"date":"2014-01-08T15:48:01","date_gmt":"2014-01-08T15:48:01","guid":{"rendered":"https:\/\/www.techopedia.com\/definition\/internet-server-api\/"},"modified":"2014-01-08T15:48:01","modified_gmt":"2014-01-08T15:48:01","slug":"internet-server-api","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi","title":{"rendered":"Internet Server API"},"content":{"rendered":"<h2><span id=\"what_does_internet_server_api_mean\">What Does Internet Server API Mean?<\/span><\/h2>\n<p>An Internet server API (ISAPI) is a set of ready-made Windows program calls that developers and programmers can use in order create custom enhancements or extensions to ISAPI-compliant HTTP servers or web servers. These enhancements are called Internet Server Extension Applications (ISA) and ISAPI filters, which provide functionalities such as database invocation and even for building Web pages dynamically for a Web client (browser) to display.<\/p>\n<h2><span id=\"techopedia_explains_internet_server_api\">Techopedia Explains Internet Server API<\/span><\/h2>\n<p>The Internet Server Application Programming Interface makes it easier to write database applications like an entry system for order forms or for a custom catalog. With ISAPI, a programmer can collect information from a user through an HTML form and then return a page which has been customized for that user. <\/p>\n<p>ISAPI enables a programmer to write two types of extensions for a server:<\/p>\n<ul>\n<li>Internet server applications (ISA), which provide similar functionalities to CGI applications but are considered faster since they are in the form of dynamic link libraries (DLL), which are loaded into memory and do not need to be located and then read again like CGI applications, which are considered as executable.<\/li>\n<p><\/p>\n<li>ISAPI filters, which are used by a web server to assist in various events in the course of processing a given HTTP request like reading and writing data or even outputting of log entries. ISAPI filters can add other functionalities to a server like:\n<ul>\n<li>Compression<\/li>\n<li>Encryption<\/li>\n<li>Custom authentication<\/li>\n<li>Logging schemes<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>What Does Internet Server API Mean? An Internet server API (ISAPI) is a set of ready-made Windows program calls that developers and programmers can use in order create custom enhancements or extensions to ISAPI-compliant HTTP servers or web servers. These enhancements are called Internet Server Extension Applications (ISA) and ISAPI filters, which provide functionalities such [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","om_disable_all_campaigns":false,"footnotes":""},"definitioncat":[246,216],"class_list":["post-1024","definition","type-definition","status-publish","format-standard","hentry","definitioncat-api-management","definitioncat-software-development"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.8 (Yoast SEO v23.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is an Internet Server API (ISAPI)? - Definition from Techopedia<\/title>\n<meta name=\"description\" content=\"This definition explains the meaning of Internet Server API and why it matters.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Internet Server API\" \/>\n<meta property=\"og:description\" content=\"This definition explains the meaning of Internet Server API and why it matters.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi\" \/>\n<meta property=\"og:site_name\" content=\"Techopedia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/techopedia\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@techopedia\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi\"},\"author\":{\"name\":\"Margaret Rouse\",\"@id\":\"https:\/\/www.techopedia.com\/#\/schema\/person\/f5dd538e31ee352d105b8af36c4268a5\"},\"headline\":\"Internet Server API\",\"datePublished\":\"2014-01-08T15:48:01+00:00\",\"dateModified\":\"2014-01-08T15:48:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi\"},\"wordCount\":244,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.techopedia.com\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi#respond\"]}],\"articleSection\":\"\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi\",\"url\":\"https:\/\/www.techopedia.com\/definition\/114\/internet-server-api-isapi\",\"name\":\"What is an Internet Server API (ISAPI)? 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