{"id":1044,"date":"2026-01-08T01:43:37","date_gmt":"2026-01-08T00:43:37","guid":{"rendered":"https:\/\/ksefapi.pl\/?p=1044"},"modified":"2026-03-03T14:14:10","modified_gmt":"2026-03-03T13:14:10","slug":"ksef-rest-api-2-0","status":"publish","type":"post","link":"https:\/\/ksefapi.pl\/en\/ksef-rest-api-2-0\/","title":{"rendered":"KSeF REST API updated to KSeF 2.0 architecture"},"content":{"rendered":"<h1 style=\"text-align: center;\">We would like to inform you that the updated version of the ksefapi.pl interface<br \/>\nfor the KSeF 2.0 architecture is now available:<\/h1>\n<h1 style=\"text-align: center;\"><a href=\"https:\/\/ksefapi.pl\/en\/public\/rest\/\">https:\/\/ksefapi.pl\/public\/rest\/<\/a><\/h1>\n<h4 style=\"text-align: center;\"><strong>We plan to launch registration and account creation on January 12, 2026.<\/strong>.<\/h4>\n<p>&nbsp;<\/p>\n<p>KSeF API team<\/p>","protected":false},"excerpt":{"rendered":"<p>We would like to inform you that the updated version of the ksefapi.pl interface for the KSeF 2.0 architecture is now available: https:\/\/ksefapi.pl\/public\/rest\/ We plan to launch registration and account creation on January 12, 2026. KSeF API Team<\/p>","protected":false},"author":2,"featured_media":838,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,10,6],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/posts\/1044"}],"collection":[{"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/comments?post=1044"}],"version-history":[{"count":2,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/posts\/1044\/revisions"}],"predecessor-version":[{"id":1091,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/posts\/1044\/revisions\/1091"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/media\/838"}],"wp:attachment":[{"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/media?parent=1044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/categories?post=1044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/tags?post=1044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}