{"id":310,"date":"2024-01-18T13:24:46","date_gmt":"2024-01-18T12:24:46","guid":{"rendered":"https:\/\/ksefapi.pl\/?page_id=310"},"modified":"2026-03-27T21:27:44","modified_gmt":"2026-03-27T20:27:44","slug":"logowanie","status":"publish","type":"page","link":"https:\/\/ksefapi.pl\/en\/logowanie\/","title":{"rendered":"Login to the KSeF API portal"},"content":{"rendered":"<table border=\"0\">\n<tbody>\n<tr>\n<td>\n<h1 style=\"text-align: center;\">Production environment:<a href=\"https:\/\/ksefapi.pl\/portal\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ksefapi.pl\/wp-content\/uploads\/2026\/03\/ksefapi-srodowisko-produkcyjne-login2_ciete.png\" alt=\"KSeF API - logowanie do \u015brodowiska produkcyjnego\" width=\"487\" height=\"351\" class=\"aligncenter wp-image-1103 size-full\" srcset=\"https:\/\/ksefapi.pl\/wp-content\/uploads\/2026\/03\/ksefapi-srodowisko-produkcyjne-login2_ciete.png 487w, https:\/\/ksefapi.pl\/wp-content\/uploads\/2026\/03\/ksefapi-srodowisko-produkcyjne-login2_ciete-300x216.png 300w, https:\/\/ksefapi.pl\/wp-content\/uploads\/2026\/03\/ksefapi-srodowisko-produkcyjne-login2_ciete-18x12.png 18w\" sizes=\"(max-width: 487px) 100vw, 487px\" \/><\/a><\/h1>\n<\/td>\n<td>\n<h1 style=\"text-align: center;\">Test environment:<a href=\"https:\/\/ksefapi.pl\/portal-test\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ksefapi.pl\/wp-content\/uploads\/2026\/03\/ksefapi-srodowisko-testowe-login3_ciete.png\" alt=\"KSeF API logowanie do \u015brodowiska testowego\" width=\"487\" height=\"350\" class=\"aligncenter wp-image-1102 size-full\" srcset=\"https:\/\/ksefapi.pl\/wp-content\/uploads\/2026\/03\/ksefapi-srodowisko-testowe-login3_ciete.png 487w, https:\/\/ksefapi.pl\/wp-content\/uploads\/2026\/03\/ksefapi-srodowisko-testowe-login3_ciete-300x216.png 300w, https:\/\/ksefapi.pl\/wp-content\/uploads\/2026\/03\/ksefapi-srodowisko-testowe-login3_ciete-18x12.png 18w\" sizes=\"(max-width: 487px) 100vw, 487px\" \/><\/a><\/h1>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Production environment: Test environment: &nbsp;<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/template-fullwidth.php","meta":{"footnotes":""},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/pages\/310"}],"collection":[{"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/types\/page"}],"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=310"}],"version-history":[{"count":17,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/pages\/310\/revisions"}],"predecessor-version":[{"id":1104,"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/pages\/310\/revisions\/1104"}],"wp:attachment":[{"href":"https:\/\/ksefapi.pl\/en\/wp-json\/wp\/v2\/media?parent=310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}