RFC 8908 · PROPOSED STANDARD · 2020
MON · 15 JUN 2026
Captive Portal API
Overview
RFC 8908, “Captive Portal API”, is a Proposed Standard document published in September 2020 by T. Pauly, D. Thakore. The canonical text is published by the RFC Editor.
Abstract
This document describes an HTTP API that allows clients to interact with a Captive Portal system. With this API, clients can discover how to get out of captivity and fetch state about their Captive Portal sessions.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 8908 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
Other RFCs from 2020
- RFC 8907 The Terminal Access Controller Access-Control System Plus Protocol
- RFC 8909 Registry Data Escrow Specification
- RFC 8906 A Common Operational Problem in DNS Servers: Failure to Communicate
- RFC 8910 Captive-Portal Identification in DHCP and Router Advertisements
- RFC 8905 The 'payto' URI Scheme for Payments
- RFC 8904 DNS Whitelist Email Authentication Method Extension
- RFC 8902 TLS Authentication Using Intelligent Transport System Certificates
- RFC 8914 Extended DNS Errors