{"id":215171,"date":"2026-08-19T04:30:24","date_gmt":"2026-08-19T04:30:24","guid":{"rendered":"https:\/\/mycryptomania.com\/?p=215171"},"modified":"2026-08-19T04:30:24","modified_gmt":"2026-08-19T04:30:24","slug":"polymarket-us-tests-parlays-as-kalshi-banks-25m-in-fees","status":"publish","type":"post","link":"https:\/\/mycryptomania.com\/?p=215171","title":{"rendered":"Polymarket US Tests Parlays as Kalshi Banks $25M in Fees"},"content":{"rendered":"<p>Polymarket US began processing multi-leg sports contracts on Aug. 5 through an API-only beta that never surfaced in its consumer app. The launch lands as rival Kalshi is reported to be extending maker fees to its own parlay product, a change its published fee schedule does not list. An API-Only Launch 11 Weeks After Certification [\u2026]<\/p>","protected":false},"excerpt":{"rendered":"<p>Polymarket US began processing multi-leg sports contracts on Aug. 5 through an API-only beta that never surfaced in its consumer app. The launch lands as rival Kalshi is reported to be extending maker fees to its own parlay product, a change its published fee schedule does not list. An API-Only Launch 11 Weeks After Certification [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":215172,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-215171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-interesting"],"_links":{"self":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts\/215171"}],"collection":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=215171"}],"version-history":[{"count":0,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/posts\/215171\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=\/wp\/v2\/media\/215172"}],"wp:attachment":[{"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=215171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=215171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mycryptomania.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=215171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}