{"id":1047,"date":"2026-01-12T13:59:41","date_gmt":"2026-01-12T12:59:41","guid":{"rendered":"https:\/\/ksefapi.pl\/?p=1047"},"modified":"2026-01-13T01:31:06","modified_gmt":"2026-01-13T00:31:06","slug":"ksef2-rest-api-rejestracja-i-zakladanie-konta","status":"publish","type":"post","link":"https:\/\/ksefapi.pl\/en\/ksef2-rest-api-rejestracja-i-zakladanie-konta\/","title":{"rendered":"REST API KSeF 2.0 \u2013 registration now available!"},"content":{"rendered":"<p>Ladies and Gentlemen,<\/p>\n<p>We would like to inform you that we have made it possible to register and create accounts on our website for <strong>test environment<\/strong> KSeF 2.0.<\/p>\n<p>Website for registration and account creation: <a href=\"https:\/\/ksefapi.pl\/portal-test\/register\/\">https:\/\/ksefapi.pl\/portal-test\/register<\/a><\/p>\n<p>Login to the user panel: <a href=\"https:\/\/ksefapi.pl\/portal-test\/login\/\">https:\/\/ksefapi.pl\/portal-test\/login<\/a><\/p>\n<p>Instructions on how to set up an account and start using the provided API are available at: <a href=\"https:\/\/ksefapi.pl\/en\/rest-ksef-api-dokumentacja\/\">https:\/\/ksefapi.pl\/rest-ksef-api-dokumentacja\/<\/a><\/p>\n<p><strong>Attention<\/strong>! We kindly ask all users who created accounts for KSeF version 1.0 to re-register using the link above.<\/p>\n<p>We also plan to adapt and make available programming libraries for .NET, JAVA and PHP as soon as possible (by February 15th).<\/p>\n<p><em>The ksefapi.pl team<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Dear Sir or Madam, We would like to inform you that we have made it possible to register and create accounts on our website for the KSeF 2.0 test environment. The website enabling registration and account creation: https:\/\/ksefapi.pl\/portal-test\/register Login to the user panel: https:\/\/ksefapi.pl\/portal-test\/login Instructions on how to configure an account and start using the provided API are available at: https:\/\/ksefapi.pl\/rest-ksef-api-dokumentacja\/ Please note that all users who have created accounts [\u2026]<\/p>","protected":false},"author":2,"featured_media":1050,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,10,6],"tags":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Informujemy, \u017ce udost\u0119pnili\u015bmy mo\u017cliwo\u015b\u0107 rejestracji i zak\u0142adania kont w naszym serwisie dla \u015brodowiska testowego KSeF: https:\/\/ksefapi.pl\/portal-test\/login\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Zesp\u00f3\u0142 KSeF API\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/ksefapi.pl\/en\/ksef2-rest-api-rejestracja-i-zakladanie-konta\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_GB\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Faktury KSeF | KSeF API - 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