{"id":354,"date":"2020-02-28T15:40:24","date_gmt":"2020-02-28T10:10:24","guid":{"rendered":"https:\/\/www.crowd4test.com\/blog\/?p=354"},"modified":"2020-02-28T15:40:24","modified_gmt":"2020-02-28T10:10:24","slug":"what-is-api-testing-api-testing-tools-crowd4test","status":"publish","type":"post","link":"https:\/\/www.crowd4test.com\/blog\/testing\/what-is-api-testing-api-testing-tools-crowd4test\/","title":{"rendered":"What is API Testing? | API Testing Tools | Crowd4Test"},"content":{"rendered":"<p><span style=\"color: #000000;\">Every user in this world expects the software to do wonders and interact with the other application to give uninterrupted service. To meet such requirement companies of all sizes are moving towards API-driven software architecture.<\/span><\/p>\n<p><span style=\"color: #000000;\">Any company can create an application that sends an impulse to a public API and receives a certain response. This enables coherent communication\u00a0and information exchange between multiple software systems from multiple software companies.<\/span><\/p>\n<h3><span style=\"color: #000000;\">What is API Testing?<\/span><\/h3>\n<p><span style=\"color: #000000;\">API (Application\u00a0Programming\u00a0Interface) enables communication and data exchange between two separate software systems. It also\u00a0involves testing application programming interfaces directly and as part of integration testing to determine if they meet expectations for functionality, reliability, performance, and security.<\/span><\/p>\n<p><span style=\"color: #000000;\">Ola and Uber&#8217;s applications are real-world examples of how APIs are used by developers to integrate functionality developed by other companies. When you book a cab using ola or uber the application doesn&#8217;t know how to find the route so it will call the google map API and wait for it to fetch. The entire process will look so easy and completed within a second, it also seems as if everything were happening right in the app.\u00a0<\/span><\/p>\n<h3><span style=\"color: #000000;\">What are the types of API Testing?<\/span><\/h3>\n<p class=\"p1\"><span style=\"color: #000000;\">API testing typically involves the following practices:<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\"><strong>Functionality Testing<\/strong> \u2013 To check if the API works and does exactly what it\u2019s supposed to do<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Reliability Testing<\/strong> \u2013 To check if API can be consistently connected to and lead to consistent results<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Validation Testing<\/strong> \u2013 Helps verify the aspects of product, behavior, and efficiency of an API<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Load Testing<\/strong> \u2013 Is performed to ensure the performance of API under both normal and at peak conditions<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>UI Testing<\/strong> \u2013 It involves testing the user interface for the API and other integral parts<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Security Testing<\/strong> \u2013 To test that the API is secure against all possible external threats<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Penetration Testing<\/strong> \u2013 To detect vulnerabilities of an application from an attackers perspective<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>Fuzz Testing<\/strong> \u2013 To test the API in terms of the limits to prepare for the \u201cworst case scenarios\u201d<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\"><strong>Challenges of API Testing<\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #000000;\">There is no GUI, which will make it difficult for testers to give input values<\/span><\/li>\n<li><span style=\"color: #000000;\">Test case management is difficult since a tester might have to deal with millions of test cases<\/span><\/li>\n<li><span style=\"color: #000000;\">The tester must possess expertise in the programming language(s) that are targeted by the API<\/span><\/li>\n<li><span style=\"color: #000000;\">Time-consuming, requires a lot of time and resources to develop tools and design tests<\/span><\/li>\n<li><span style=\"color: #000000;\">Improper documentation will make it difficult for a test designer to understand the purpose of API calls<\/span><\/li>\n<li><span style=\"color: #000000;\">Proper call sequencing is required as this may lead to inadequate coverage in testing<\/span><\/li>\n<li><span style=\"color: #000000;\">Exception handling functions need to be tested thoroughly<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #000000;\">Most Popular API Testing Tools in the Market<\/span><\/h3>\n<h5><span style=\"color: #000000;\">Katalon Studio<\/span><\/h5>\n<p><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"357\" data-permalink=\"https:\/\/www.crowd4test.com\/blog\/testing\/what-is-api-testing-api-testing-tools-crowd4test\/attachment\/katalon-studio\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?fit=1600%2C875&amp;ssl=1\" data-orig-size=\"1600,875\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Katalon-Studio\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?fit=300%2C164&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?fit=770%2C421&amp;ssl=1\" class=\"aligncenter wp-image-357 size-medium\" src=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?resize=300%2C164&#038;ssl=1\" alt=\"API Testing Tools-Katalon Studio\" width=\"300\" height=\"164\" srcset=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?resize=300%2C164&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?resize=768%2C420&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?resize=1024%2C560&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?w=1600&amp;ssl=1 1600w, https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/Katalon-Studio.png?w=1540&amp;ssl=1 1540w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><\/p>\n<p><span style=\"color: #000000;\"><b>Katalon Studio<\/b>\u00a0is an automation testing solution developed by Katalon LLC and the first public release was made in September 2016.\u00a0The main programming language used in Katalon Studio is\u00a0Groovy\u00a0and\u00a0Java.\u00a0Katalon Studio is available for Windows, macOS, and Linux. Find the other similar Katalon products below,<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Katalon Recorder<\/strong> is a browser add-on for recording user actions in web applications and generating test scripts, called\u00a0Katalon Recorder.<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Katalium<\/strong> is a framework\u00a0that provides a blueprint for test automation projects based on Selenium and TestNG.<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Katalon TestOps<\/strong> is a web-based application that provides visualized test data and execution results through charts, graphs, and reports.<\/span><\/p>\n<h5><span style=\"color: #000000;\">SoapUI<\/span><\/h5>\n<p><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/SoapUI-logo.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"355\" data-permalink=\"https:\/\/www.crowd4test.com\/blog\/testing\/what-is-api-testing-api-testing-tools-crowd4test\/attachment\/soapui-logo\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/SoapUI-logo.png?fit=721%2C464&amp;ssl=1\" data-orig-size=\"721,464\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SoapUI-logo\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/SoapUI-logo.png?fit=300%2C193&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/SoapUI-logo.png?fit=721%2C464&amp;ssl=1\" class=\"aligncenter wp-image-355 size-medium\" src=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/SoapUI-logo.png?resize=300%2C193&#038;ssl=1\" alt=\"API Testing Tools-SoapUI\" width=\"300\" height=\"193\" srcset=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/SoapUI-logo.png?resize=300%2C193&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/SoapUI-logo.png?w=721&amp;ssl=1 721w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">SoapUI\u00a0is an\u00a0open-source\u00a0web service testing application for Service-Oriented Architectures\u00a0(SOA) and Representational State Transfers\u00a0(REST).\u00a0SoapUI was initially released to\u00a0SourceForge\u00a0in September 2005.\u00a0<\/span><\/p>\n<p><span style=\"color: #000000;\">Since the initial release, SoapUI has been downloaded more than 2,000,000 times.\u00a0<sup id=\"cite_ref-5\" class=\"reference\"><\/sup>It is built entirely on the\u00a0Java platform and uses\u00a0Swing\u00a0for the\u00a0user interface. This means that SoapUI is\u00a0cross-platform. <\/span><\/p>\n<p><span style=\"color: #000000;\">Today, SoapUI also supports\u00a0IDEA,\u00a0Eclipse, and\u00a0NetBeans.\u00a0<sup id=\"cite_ref-6\" class=\"reference\"><\/sup>SoapUI can test\u00a0SOAP\u00a0and REST web services,\u00a0JMS,\u00a0AMF, as well as make any\u00a0HTTP(S) and\u00a0JDBC\u00a0calls<\/span><\/p>\n<p><span style=\"color: #000000;\">SoapUI provides extensive options for scripting, using either Groovy or JavaScript, making it possible to create complex testing scenarios and add custom functionality.<\/span><\/p>\n<h5><span style=\"color: #000000;\">Postman<\/span><\/h5>\n<p><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/1_TiMCyV4Ah4gPUzkz1P1QcA.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"356\" data-permalink=\"https:\/\/www.crowd4test.com\/blog\/testing\/what-is-api-testing-api-testing-tools-crowd4test\/attachment\/1_timcyv4ah4gpuzkz1p1qca\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/1_TiMCyV4Ah4gPUzkz1P1QcA-e1582871656247.png?fit=746%2C418&amp;ssl=1\" data-orig-size=\"746,418\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"1_TiMCyV4Ah4gPUzkz1P1QcA\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/1_TiMCyV4Ah4gPUzkz1P1QcA-e1582871656247.png?fit=300%2C168&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/1_TiMCyV4Ah4gPUzkz1P1QcA-e1582871656247.png?fit=746%2C418&amp;ssl=1\" class=\"aligncenter wp-image-356 size-medium\" src=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/1_TiMCyV4Ah4gPUzkz1P1QcA-e1582871656247-300x168.png?resize=300%2C168&#038;ssl=1\" alt=\"API Testing Tools-Postman\" width=\"300\" height=\"168\" srcset=\"https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/1_TiMCyV4Ah4gPUzkz1P1QcA-e1582871656247.png?resize=300%2C168&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.crowd4test.com\/blog\/wp-content\/uploads\/2020\/02\/1_TiMCyV4Ah4gPUzkz1P1QcA-e1582871656247.png?w=746&amp;ssl=1 746w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">Postman is currently one of the most popular tools used in API testing. It started in 2012 as a side project by Abhinav Asthana to simplify API workflow in testing and development.\u00a0It offers a sleek user interface with which to make HTML requests, without the hassle of writing a bunch of code just to test an API&#8217;s functionality.<\/span><\/p>\n<p><span style=\"color: #000000;\">Postman is a powerful tool for performing integration testing with your API. It allows for repeatable, reliable tests that can be automated and used in a variety of environments and includes\u00a0useful\u00a0tools for persisting data and simulating how a user might actually be interacting with the system.<\/span><\/p>\n<p><span style=\"color: #000000;\">You can attach test scripts to requests, build integration test suites, or use scripts to pass data between API requests, just to give you a few examples of what makes Postman Collections so useful.<\/span><\/p>\n<h3><span style=\"color: #000000;\">Conclusion<\/span><\/h3>\n<p><span style=\"color: #000000;\">Building a solid\u00a0automated API testing\u00a0strategy is the best way to ensure that your applications \u201cwork the same today as they did yesterday\u201d. API testing allows you to build a solid framework for identifying defects at multiple layers of your application. Since API tests work at a much lower level than UI tests, you know that you will have consistency and the tests that you are building will last for a long time to come.<\/span><\/p>\n<p><span style=\"color: #000000;\">Ready to get started API testing but need to figure out whom to ask and what tool to use? Just click the below button to kick start of API Testing with <a href=\"https:\/\/crowd4test.com\/\"><strong>Crowd4Test<\/strong>.<\/a><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><a href=\"https:\/\/www.crowd4test.com\/join-us\" class=\"btn button btn-shortcode kad-btn kad-btn-primary\" id=\"kadbtn611\" target=\"_blank\" style=\"background-color:#008000;color:#FFF;\">Get API Testing<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Every user in this world expects the software to do wonders and interact with the other application to give uninterrupted service. To meet such requirement companies of all sizes are moving towards API-driven software architecture. Any company can create an application that sends an impulse to a public API and receives a certain response. This<\/p>\n","protected":false},"author":1,"featured_media":359,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[17],"tags":[25,27,31,26,30,28,29,24],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is API Testing? | API Testing Tools | Crowd4Test - Crowd4Test<\/title>\n<meta name=\"description\" content=\"API Testing is a software testing type that validates Application Programming Interfaces (APIs). Katalon Studio, SoapUI, Postman are the commonly used API Testing Tools\" \/>\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.crowd4test.com\/blog\/testing\/what-is-api-testing-api-testing-tools-crowd4test\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is API Testing? | API Testing Tools | Crowd4Test - Crowd4Test\" \/>\n<meta property=\"og:description\" content=\"API Testing is a software testing type that validates Application Programming Interfaces (APIs). 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