{"id":16379,"date":"2026-05-29T02:16:18","date_gmt":"2026-05-29T02:16:18","guid":{"rendered":"https:\/\/www.btse.com\/blog\/?p=16379"},"modified":"2026-05-29T03:31:01","modified_gmt":"2026-05-29T03:31:01","slug":"oss-websocket-api-update","status":"publish","type":"post","link":"https:\/\/www.btse.com\/blog\/oss-websocket-api-update\/","title":{"rendered":"OSS WebSocket API Update"},"content":{"rendered":"<p><span style=\"font-family: inter; font-size: 14pt; color: #000000;\"><span style=\"font-weight: 400;\">To ensure consistency between OSS WebSocket API documentation and current system behavior, BTSE will update the documentation for the respective <\/span><span style=\"font-weight: 400;\">snapshotL1<\/span><span style=\"font-weight: 400;\"> and <\/span><span style=\"font-weight: 400;\">update<\/span><span style=\"font-weight: 400;\"> topics below on <\/span><b>July 01, 2026<\/b><span style=\"font-weight: 400;\">. Please refer to the changelog<\/span><\/span><span style=\"font-family: inter; font-size: 14pt;\"><a href=\"https:\/\/btsecom.github.io\/docs\/futuresV2_3\/en\/#change-log\"><span style=\"font-weight: 400;\"> here<\/span><\/a><\/span><span style=\"font-family: inter; font-size: 14pt; color: #000000;\"><span style=\"font-weight: 400;\">.<\/span><\/span><\/p>\n<h2><span style=\"font-family: inter;\"><b>Changes<\/b><\/span><\/h2>\n<h3><span style=\"font-family: inter;\"><b>snapshotL1<\/b><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: inter; font-size: 14pt; color: #000000;\"><span style=\"font-weight: 400;\">Removed the grouping subscription description. Going forward, grouped subscription behavior will not be supported for the <\/span><span style=\"font-weight: 400;\">snapshotL1<\/span><span style=\"font-weight: 400;\"> topic.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: inter; font-size: 14pt; color: #000000;\"><span style=\"font-weight: 400;\">In future releases, any grouped subscription requests for <\/span><span style=\"font-weight: 400;\">snapshotL1<\/span><span style=\"font-weight: 400;\"> will return an error response and will no longer be accepted.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-family: inter; font-size: 14pt; color: #000000;\"><span style=\"font-weight: 400;\">Supported topic format:\u00a0<\/span><\/span><\/li>\n<\/ul>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" class=\"alignnone size-full wp-image-16380 lazyload\" data-src=\"https:\/\/i0.wp.com\/www.btse.com\/blog\/wp-content\/uploads\/2026\/05\/Screenshot-2026-05-29-at-10.09.34-AM.png?resize=752%2C80&#038;quality=75&#038;ssl=1\" alt=\"\" width=\"752\" height=\"80\" data-srcset=\"https:\/\/www.btse.com\/blog\/wp-content\/uploads\/2026\/05\/Screenshot-2026-05-29-at-10.09.34-AM.png 752w, https:\/\/www.btse.com\/blog\/wp-content\/uploads\/2026\/05\/Screenshot-2026-05-29-at-10.09.34-AM-480x51.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 752px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 752px; --smush-placeholder-aspect-ratio: 752\/80;\" \/><\/p>\n<p><span style=\"font-family: inter; font-size: 14pt; color: #000000;\"><span style=\"font-weight: 400;\"><br \/>\nExample:\u00a0<\/span><\/span><\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" class=\"alignnone size-full wp-image-16381 lazyload\" data-src=\"https:\/\/i0.wp.com\/www.btse.com\/blog\/wp-content\/uploads\/2026\/05\/Screenshot-2026-05-29-at-10.09.46-AM.png?resize=752%2C80&#038;quality=75&#038;ssl=1\" alt=\"\" width=\"752\" height=\"80\" data-srcset=\"https:\/\/www.btse.com\/blog\/wp-content\/uploads\/2026\/05\/Screenshot-2026-05-29-at-10.09.46-AM.png 752w, https:\/\/www.btse.com\/blog\/wp-content\/uploads\/2026\/05\/Screenshot-2026-05-29-at-10.09.46-AM-480x51.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 752px, 100vw\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 752px; --smush-placeholder-aspect-ratio: 752\/80;\" \/><\/p>\n<h3><span style=\"font-family: inter;\"><b><br \/>\nupdate<\/b><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-family: inter; font-size: 14pt; color: #000000;\">Added documentation and usage instructions for grouped subscriptions.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-family: inter;\"><b><br \/>\nNotes<\/b><\/span><\/h2>\n<p><span style=\"font-family: inter; font-size: 14pt; color: #000000;\"><span style=\"font-weight: 400;\">Users are advised to review their existing OSS WebSocket subscription configurations to ensure compatibility with the updated topic behavior.<\/span><\/span><\/p>\n<p><span style=\"font-family: inter; font-size: 14pt; color: #000000;\"><span style=\"font-weight: 400;\">If you have any questions, please contact us at <a href=\"support@btse.com\">support@btse.com<\/a><\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To ensure consistency between OSS WebSocket API documentation and current system behavior, BTSE will update the documentation for the respective snapshotL1 and update topics below on July 01, 2026. Please refer to the changelog here. Changes snapshotL1 Removed the grouping subscription description. Going forward, grouped subscription behavior will not be supported for the snapshotL1 topic. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15010,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-16379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-announcements"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OSS WebSocket API Update &#8212; BTSE Blog<\/title>\n<meta name=\"description\" content=\"The API documentation will be updated on July 01, 2026. 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