Copyright © 2026 World Wide Web Consortium. W3C® liability, trademark and permissive document license rules apply.
This document defines a set of ECMAScript APIs in WebIDL to allow data to be sent and received between a browser and server, utilizing [WEB-TRANSPORT-OVERVIEW]. This specification is being developed in conjunction with protocol specifications developed by the IETF WEBTRANS Working Group.
This is a public copy of the editors’ draft. It is provided for discussion only and may change at any moment. Its publication here does not imply endorsement of its contents by W3C. Don’t cite this document other than as work in progress.
Feedback and comments on this document are welcome. Please file an issue in this document’s GitHub repository.
This document was produced by the WebTransport Working Group.
This document was produced by a group operating under the W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent. An individual who has actual knowledge of a patent that the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy.
This document is governed by the 18 August 2025 W3C Process Document.