diff --git a/latest/usage/administration/admin_api/index.html b/latest/usage/administration/admin_api/index.html
index be99bfba2d..aae1dc9730 100644
--- a/latest/usage/administration/admin_api/index.html
+++ b/latest/usage/administration/admin_api/index.html
@@ -99,7 +99,7 @@
<nav id="sidebar" class="sidebar" aria-label="Table of contents">
<div class="sidebar-scrollbox">
- <ol class="chapter"><li class="chapter-item expanded affix "><li class="part-title">Introduction</li><li class="chapter-item expanded "><a href="../../../welcome_and_overview.html">Welcome and Overview</a></li><li class="chapter-item expanded affix "><li class="part-title">Setup</li><li class="chapter-item expanded "><a href="../../../setup/installation.html">Installation</a></li><li class="chapter-item expanded "><a href="../../../postgres.html">Using Postgres</a></li><li class="chapter-item expanded "><a href="../../../reverse_proxy.html">Configuring a Reverse Proxy</a></li><li class="chapter-item expanded "><a href="../../../setup/forward_proxy.html">Configuring a Forward/Outbound Proxy</a></li><li class="chapter-item expanded "><a href="../../../turn-howto.html">Configuring a Turn Server</a></li><li class="chapter-item expanded "><a href="../../../delegate.html">Delegation</a></li><li class="chapter-item expanded affix "><li class="part-title">Upgrading</li><li class="chapter-item expanded "><a href="../../../upgrade.html">Upgrading between Synapse Versions</a></li><li class="chapter-item expanded "><a href="../../../MSC1711_certificates_FAQ.html">Upgrading from pre-Synapse 1.0</a></li><li class="chapter-item expanded affix "><li class="part-title">Usage</li><li class="chapter-item expanded "><a href="../../../federate.html">Federation</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/index.html">Configuration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../usage/configuration/homeserver_sample_config.html">Homeserver Sample Config File</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/logging_sample_config.html">Logging Sample Config File</a></li><li class="chapter-item expanded "><a href="../../../structured_logging.html">Structured Logging</a></li><li class="chapter-item expanded "><a href="../../../templates.html">Templates</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/user_authentication/index.html">User Authentication</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Single-Sign On</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../openid.html">OpenID Connect</a></li><li class="chapter-item expanded "><div>SAML</div></li><li class="chapter-item expanded "><div>CAS</div></li><li class="chapter-item expanded "><a href="../../../sso_mapping_providers.html">SSO Mapping Providers</a></li></ol></li><li class="chapter-item expanded "><a href="../../../password_auth_providers.html">Password Auth Providers</a></li><li class="chapter-item expanded "><a href="../../../jwt.html">JSON Web Tokens</a></li></ol></li><li class="chapter-item expanded "><a href="../../../CAPTCHA_SETUP.html">Registration Captcha</a></li><li class="chapter-item expanded "><a href="../../../application_services.html">Application Services</a></li><li class="chapter-item expanded "><a href="../../../server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="../../../consent_tracking.html">Consent Tracking</a></li><li class="chapter-item expanded "><a href="../../../url_previews.html">URL Previews</a></li><li class="chapter-item expanded "><a href="../../../user_directory.html">User Directory</a></li><li class="chapter-item expanded "><a href="../../../message_retention_policies.html">Message Retention Policies</a></li><li class="chapter-item expanded "><a href="../../../modules.html">Pluggable Modules</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Third Party Rules</div></li><li class="chapter-item expanded "><a href="../../../spam_checker.html">Spam Checker</a></li><li class="chapter-item expanded "><a href="../../../presence_router_module.html">Presence Router</a></li><li class="chapter-item expanded "><div>Media Storage Providers</div></li></ol></li><li class="chapter-item expanded "><a href="../../../workers.html">Workers</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../synctl_workers.html">Using synctl with Workers</a></li><li class="chapter-item expanded "><a href="../../../systemd-with-workers/index.html">Systemd</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="../../../usage/administration/index.html">Administration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../usage/administration/admin_api/index.html" class="active">Admin API</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../admin_api/account_validity.html">Account Validity</a></li><li class="chapter-item expanded "><a href="../../../admin_api/delete_group.html">Delete Group</a></li><li class="chapter-item expanded "><a href="../../../admin_api/event_reports.html">Event Reports</a></li><li class="chapter-item expanded "><a href="../../../admin_api/media_admin_api.html">Media</a></li><li class="chapter-item expanded "><a href="../../../admin_api/purge_history_api.html">Purge History</a></li><li class="chapter-item expanded "><a href="../../../admin_api/purge_room.html">Purge Rooms</a></li><li class="chapter-item expanded "><a href="../../../admin_api/register_api.html">Register Users</a></li><li class="chapter-item expanded "><a href="../../../admin_api/room_membership.html">Manipulate Room Membership</a></li><li class="chapter-item expanded "><a href="../../../admin_api/rooms.html">Rooms</a></li><li class="chapter-item expanded "><a href="../../../admin_api/server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="../../../admin_api/shutdown_room.html">Shutdown Room</a></li><li class="chapter-item expanded "><a href="../../../admin_api/statistics.html">Statistics</a></li><li class="chapter-item expanded "><a href="../../../admin_api/user_admin_api.html">Users</a></li><li class="chapter-item expanded "><a href="../../../admin_api/version_api.html">Server Version</a></li></ol></li><li class="chapter-item expanded "><a href="../../../manhole.html">Manhole</a></li><li class="chapter-item expanded "><a href="../../../metrics-howto.html">Monitoring</a></li><li class="chapter-item expanded "><a href="../../../usage/administration/request_log.html">Request log format</a></li><li class="chapter-item expanded "><div>Scripts</div></li></ol></li><li class="chapter-item expanded "><li class="part-title">Development</li><li class="chapter-item expanded "><a href="../../../development/contributing_guide.html">Contributing Guide</a></li><li class="chapter-item expanded "><a href="../../../code_style.html">Code Style</a></li><li class="chapter-item expanded "><a href="../../../development/git.html">Git Usage</a></li><li class="chapter-item expanded "><div>Testing</div></li><li class="chapter-item expanded "><a href="../../../opentracing.html">OpenTracing</a></li><li class="chapter-item expanded "><a href="../../../development/database_schema.html">Database Schemas</a></li><li class="chapter-item expanded "><div>Synapse Architecture</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../log_contexts.html">Log Contexts</a></li><li class="chapter-item expanded "><a href="../../../replication.html">Replication</a></li><li class="chapter-item expanded "><a href="../../../tcp_replication.html">TCP Replication</a></li></ol></li><li class="chapter-item expanded "><a href="../../../development/internal_documentation/index.html">Internal Documentation</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Single Sign-On</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../development/saml.html">SAML</a></li><li class="chapter-item expanded "><a href="../../../development/cas.html">CAS</a></li></ol></li><li class="chapter-item expanded "><a href="../../../development/room-dag-concepts.html">Room DAG concepts</a></li><li class="chapter-item expanded "><div>State Resolution</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../auth_chain_difference_algorithm.html">The Auth Chain Difference Algorithm</a></li></ol></li><li class="chapter-item expanded "><a href="../../../media_repository.html">Media Repository</a></li><li class="chapter-item expanded "><a href="../../../room_and_user_statistics.html">Room and User Statistics</a></li></ol></li><li class="chapter-item expanded "><div>Scripts</div></li><li class="chapter-item expanded affix "><li class="part-title">Other</li><li class="chapter-item expanded "><a href="../../../deprecation_policy.html">Dependency Deprecation Policy</a></li></ol>
+ <ol class="chapter"><li class="chapter-item expanded affix "><li class="part-title">Introduction</li><li class="chapter-item expanded "><a href="../../../welcome_and_overview.html">Welcome and Overview</a></li><li class="chapter-item expanded affix "><li class="part-title">Setup</li><li class="chapter-item expanded "><a href="../../../setup/installation.html">Installation</a></li><li class="chapter-item expanded "><a href="../../../postgres.html">Using Postgres</a></li><li class="chapter-item expanded "><a href="../../../reverse_proxy.html">Configuring a Reverse Proxy</a></li><li class="chapter-item expanded "><a href="../../../setup/forward_proxy.html">Configuring a Forward/Outbound Proxy</a></li><li class="chapter-item expanded "><a href="../../../turn-howto.html">Configuring a Turn Server</a></li><li class="chapter-item expanded "><a href="../../../delegate.html">Delegation</a></li><li class="chapter-item expanded affix "><li class="part-title">Upgrading</li><li class="chapter-item expanded "><a href="../../../upgrade.html">Upgrading between Synapse Versions</a></li><li class="chapter-item expanded "><a href="../../../MSC1711_certificates_FAQ.html">Upgrading from pre-Synapse 1.0</a></li><li class="chapter-item expanded affix "><li class="part-title">Usage</li><li class="chapter-item expanded "><a href="../../../federate.html">Federation</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/index.html">Configuration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../usage/configuration/homeserver_sample_config.html">Homeserver Sample Config File</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/logging_sample_config.html">Logging Sample Config File</a></li><li class="chapter-item expanded "><a href="../../../structured_logging.html">Structured Logging</a></li><li class="chapter-item expanded "><a href="../../../templates.html">Templates</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/user_authentication/index.html">User Authentication</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Single-Sign On</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../openid.html">OpenID Connect</a></li><li class="chapter-item expanded "><div>SAML</div></li><li class="chapter-item expanded "><div>CAS</div></li><li class="chapter-item expanded "><a href="../../../sso_mapping_providers.html">SSO Mapping Providers</a></li></ol></li><li class="chapter-item expanded "><a href="../../../password_auth_providers.html">Password Auth Providers</a></li><li class="chapter-item expanded "><a href="../../../jwt.html">JSON Web Tokens</a></li></ol></li><li class="chapter-item expanded "><a href="../../../CAPTCHA_SETUP.html">Registration Captcha</a></li><li class="chapter-item expanded "><a href="../../../application_services.html">Application Services</a></li><li class="chapter-item expanded "><a href="../../../server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="../../../consent_tracking.html">Consent Tracking</a></li><li class="chapter-item expanded "><a href="../../../url_previews.html">URL Previews</a></li><li class="chapter-item expanded "><a href="../../../user_directory.html">User Directory</a></li><li class="chapter-item expanded "><a href="../../../message_retention_policies.html">Message Retention Policies</a></li><li class="chapter-item expanded "><a href="../../../modules.html">Pluggable Modules</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Third Party Rules</div></li><li class="chapter-item expanded "><a href="../../../spam_checker.html">Spam Checker</a></li><li class="chapter-item expanded "><a href="../../../presence_router_module.html">Presence Router</a></li><li class="chapter-item expanded "><div>Media Storage Providers</div></li></ol></li><li class="chapter-item expanded "><a href="../../../workers.html">Workers</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../synctl_workers.html">Using synctl with Workers</a></li><li class="chapter-item expanded "><a href="../../../systemd-with-workers/index.html">Systemd</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="../../../usage/administration/index.html">Administration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../usage/administration/admin_api/index.html" class="active">Admin API</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../admin_api/account_validity.html">Account Validity</a></li><li class="chapter-item expanded "><a href="../../../admin_api/delete_group.html">Delete Group</a></li><li class="chapter-item expanded "><a href="../../../admin_api/event_reports.html">Event Reports</a></li><li class="chapter-item expanded "><a href="../../../admin_api/media_admin_api.html">Media</a></li><li class="chapter-item expanded "><a href="../../../admin_api/purge_history_api.html">Purge History</a></li><li class="chapter-item expanded "><a href="../../../admin_api/register_api.html">Register Users</a></li><li class="chapter-item expanded "><a href="../../../usage/administration/admin_api/registration_tokens.html">Registration Tokens</a></li><li class="chapter-item expanded "><a href="../../../admin_api/room_membership.html">Manipulate Room Membership</a></li><li class="chapter-item expanded "><a href="../../../admin_api/rooms.html">Rooms</a></li><li class="chapter-item expanded "><a href="../../../admin_api/server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="../../../admin_api/statistics.html">Statistics</a></li><li class="chapter-item expanded "><a href="../../../admin_api/user_admin_api.html">Users</a></li><li class="chapter-item expanded "><a href="../../../admin_api/version_api.html">Server Version</a></li></ol></li><li class="chapter-item expanded "><a href="../../../manhole.html">Manhole</a></li><li class="chapter-item expanded "><a href="../../../metrics-howto.html">Monitoring</a></li><li class="chapter-item expanded "><a href="../../../usage/administration/request_log.html">Request log format</a></li><li class="chapter-item expanded "><div>Scripts</div></li></ol></li><li class="chapter-item expanded "><li class="part-title">Development</li><li class="chapter-item expanded "><a href="../../../development/contributing_guide.html">Contributing Guide</a></li><li class="chapter-item expanded "><a href="../../../code_style.html">Code Style</a></li><li class="chapter-item expanded "><a href="../../../development/git.html">Git Usage</a></li><li class="chapter-item expanded "><div>Testing</div></li><li class="chapter-item expanded "><a href="../../../opentracing.html">OpenTracing</a></li><li class="chapter-item expanded "><a href="../../../development/database_schema.html">Database Schemas</a></li><li class="chapter-item expanded "><div>Synapse Architecture</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../log_contexts.html">Log Contexts</a></li><li class="chapter-item expanded "><a href="../../../replication.html">Replication</a></li><li class="chapter-item expanded "><a href="../../../tcp_replication.html">TCP Replication</a></li></ol></li><li class="chapter-item expanded "><a href="../../../development/internal_documentation/index.html">Internal Documentation</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Single Sign-On</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../development/saml.html">SAML</a></li><li class="chapter-item expanded "><a href="../../../development/cas.html">CAS</a></li></ol></li><li class="chapter-item expanded "><a href="../../../development/room-dag-concepts.html">Room DAG concepts</a></li><li class="chapter-item expanded "><div>State Resolution</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../auth_chain_difference_algorithm.html">The Auth Chain Difference Algorithm</a></li></ol></li><li class="chapter-item expanded "><a href="../../../media_repository.html">Media Repository</a></li><li class="chapter-item expanded "><a href="../../../room_and_user_statistics.html">Room and User Statistics</a></li></ol></li><li class="chapter-item expanded "><div>Scripts</div></li><li class="chapter-item expanded affix "><li class="part-title">Other</li><li class="chapter-item expanded "><a href="../../../deprecation_policy.html">Dependency Deprecation Policy</a></li></ol>
</div>
<div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
</nav>
diff --git a/latest/usage/administration/admin_api/registration_tokens.html b/latest/usage/administration/admin_api/registration_tokens.html
new file mode 100644
index 0000000000..e1d365463a
--- /dev/null
+++ b/latest/usage/administration/admin_api/registration_tokens.html
@@ -0,0 +1,492 @@
+<!DOCTYPE HTML>
+<html lang="en" class="sidebar-visible no-js light">
+ <head>
+ <!-- Book generated using mdBook -->
+ <meta charset="UTF-8">
+ <title>Registration Tokens - Synapse</title>
+
+
+
+
+ <!-- Custom HTML head -->
+
+
+
+ <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
+ <meta name="description" content="">
+ <meta name="viewport" content="width=device-width, initial-scale=1">
+ <meta name="theme-color" content="#ffffff" />
+
+
+ <link rel="icon" href="../../../favicon.svg">
+
+
+ <link rel="shortcut icon" href="../../../favicon.png">
+
+ <link rel="stylesheet" href="../../../css/variables.css">
+ <link rel="stylesheet" href="../../../css/general.css">
+ <link rel="stylesheet" href="../../../css/chrome.css">
+
+ <link rel="stylesheet" href="../../../css/print.css" media="print">
+
+
+ <!-- Fonts -->
+ <link rel="stylesheet" href="../../../FontAwesome/css/font-awesome.css">
+
+ <link rel="stylesheet" href="../../../fonts/fonts.css">
+
+
+ <!-- Highlight.js Stylesheets -->
+ <link rel="stylesheet" href="../../../highlight.css">
+ <link rel="stylesheet" href="../../../tomorrow-night.css">
+ <link rel="stylesheet" href="../../../ayu-highlight.css">
+
+ <!-- Custom theme stylesheets -->
+
+ <link rel="stylesheet" href="../../../docs/website_files/table-of-contents.css">
+
+ <link rel="stylesheet" href="../../../docs/website_files/remove-nav-buttons.css">
+
+ <link rel="stylesheet" href="../../../docs/website_files/indent-section-headers.css">
+
+
+
+ </head>
+ <body>
+ <!-- Provide site root to javascript -->
+ <script type="text/javascript">
+ var path_to_root = "../../../";
+ var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "navy" : "light";
+ </script>
+
+ <!-- Work around some values being stored in localStorage wrapped in quotes -->
+ <script type="text/javascript">
+ try {
+ var theme = localStorage.getItem('mdbook-theme');
+ var sidebar = localStorage.getItem('mdbook-sidebar');
+ if (theme.startsWith('"') && theme.endsWith('"')) {
+ localStorage.setItem('mdbook-theme', theme.slice(1, theme.length - 1));
+ }
+ if (sidebar.startsWith('"') && sidebar.endsWith('"')) {
+ localStorage.setItem('mdbook-sidebar', sidebar.slice(1, sidebar.length - 1));
+ }
+ } catch (e) { }
+ </script>
+
+ <!-- Set the theme before any content is loaded, prevents flash -->
+ <script type="text/javascript">
+ var theme;
+ try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
+ if (theme === null || theme === undefined) { theme = default_theme; }
+ var html = document.querySelector('html');
+ html.classList.remove('no-js')
+ html.classList.remove('light')
+ html.classList.add(theme);
+ html.classList.add('js');
+ </script>
+
+ <!-- Hide / unhide sidebar before it is displayed -->
+ <script type="text/javascript">
+ var html = document.querySelector('html');
+ var sidebar = 'hidden';
+ if (document.body.clientWidth >= 1080) {
+ try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
+ sidebar = sidebar || 'visible';
+ }
+ html.classList.remove('sidebar-visible');
+ html.classList.add("sidebar-" + sidebar);
+ </script>
+
+ <nav id="sidebar" class="sidebar" aria-label="Table of contents">
+ <div class="sidebar-scrollbox">
+ <ol class="chapter"><li class="chapter-item expanded affix "><li class="part-title">Introduction</li><li class="chapter-item expanded "><a href="../../../welcome_and_overview.html">Welcome and Overview</a></li><li class="chapter-item expanded affix "><li class="part-title">Setup</li><li class="chapter-item expanded "><a href="../../../setup/installation.html">Installation</a></li><li class="chapter-item expanded "><a href="../../../postgres.html">Using Postgres</a></li><li class="chapter-item expanded "><a href="../../../reverse_proxy.html">Configuring a Reverse Proxy</a></li><li class="chapter-item expanded "><a href="../../../setup/forward_proxy.html">Configuring a Forward/Outbound Proxy</a></li><li class="chapter-item expanded "><a href="../../../turn-howto.html">Configuring a Turn Server</a></li><li class="chapter-item expanded "><a href="../../../delegate.html">Delegation</a></li><li class="chapter-item expanded affix "><li class="part-title">Upgrading</li><li class="chapter-item expanded "><a href="../../../upgrade.html">Upgrading between Synapse Versions</a></li><li class="chapter-item expanded "><a href="../../../MSC1711_certificates_FAQ.html">Upgrading from pre-Synapse 1.0</a></li><li class="chapter-item expanded affix "><li class="part-title">Usage</li><li class="chapter-item expanded "><a href="../../../federate.html">Federation</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/index.html">Configuration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../usage/configuration/homeserver_sample_config.html">Homeserver Sample Config File</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/logging_sample_config.html">Logging Sample Config File</a></li><li class="chapter-item expanded "><a href="../../../structured_logging.html">Structured Logging</a></li><li class="chapter-item expanded "><a href="../../../templates.html">Templates</a></li><li class="chapter-item expanded "><a href="../../../usage/configuration/user_authentication/index.html">User Authentication</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Single-Sign On</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../openid.html">OpenID Connect</a></li><li class="chapter-item expanded "><div>SAML</div></li><li class="chapter-item expanded "><div>CAS</div></li><li class="chapter-item expanded "><a href="../../../sso_mapping_providers.html">SSO Mapping Providers</a></li></ol></li><li class="chapter-item expanded "><a href="../../../password_auth_providers.html">Password Auth Providers</a></li><li class="chapter-item expanded "><a href="../../../jwt.html">JSON Web Tokens</a></li></ol></li><li class="chapter-item expanded "><a href="../../../CAPTCHA_SETUP.html">Registration Captcha</a></li><li class="chapter-item expanded "><a href="../../../application_services.html">Application Services</a></li><li class="chapter-item expanded "><a href="../../../server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="../../../consent_tracking.html">Consent Tracking</a></li><li class="chapter-item expanded "><a href="../../../url_previews.html">URL Previews</a></li><li class="chapter-item expanded "><a href="../../../user_directory.html">User Directory</a></li><li class="chapter-item expanded "><a href="../../../message_retention_policies.html">Message Retention Policies</a></li><li class="chapter-item expanded "><a href="../../../modules.html">Pluggable Modules</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Third Party Rules</div></li><li class="chapter-item expanded "><a href="../../../spam_checker.html">Spam Checker</a></li><li class="chapter-item expanded "><a href="../../../presence_router_module.html">Presence Router</a></li><li class="chapter-item expanded "><div>Media Storage Providers</div></li></ol></li><li class="chapter-item expanded "><a href="../../../workers.html">Workers</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../synctl_workers.html">Using synctl with Workers</a></li><li class="chapter-item expanded "><a href="../../../systemd-with-workers/index.html">Systemd</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="../../../usage/administration/index.html">Administration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../usage/administration/admin_api/index.html">Admin API</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../admin_api/account_validity.html">Account Validity</a></li><li class="chapter-item expanded "><a href="../../../admin_api/delete_group.html">Delete Group</a></li><li class="chapter-item expanded "><a href="../../../admin_api/event_reports.html">Event Reports</a></li><li class="chapter-item expanded "><a href="../../../admin_api/media_admin_api.html">Media</a></li><li class="chapter-item expanded "><a href="../../../admin_api/purge_history_api.html">Purge History</a></li><li class="chapter-item expanded "><a href="../../../admin_api/register_api.html">Register Users</a></li><li class="chapter-item expanded "><a href="../../../usage/administration/admin_api/registration_tokens.html" class="active">Registration Tokens</a></li><li class="chapter-item expanded "><a href="../../../admin_api/room_membership.html">Manipulate Room Membership</a></li><li class="chapter-item expanded "><a href="../../../admin_api/rooms.html">Rooms</a></li><li class="chapter-item expanded "><a href="../../../admin_api/server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="../../../admin_api/statistics.html">Statistics</a></li><li class="chapter-item expanded "><a href="../../../admin_api/user_admin_api.html">Users</a></li><li class="chapter-item expanded "><a href="../../../admin_api/version_api.html">Server Version</a></li></ol></li><li class="chapter-item expanded "><a href="../../../manhole.html">Manhole</a></li><li class="chapter-item expanded "><a href="../../../metrics-howto.html">Monitoring</a></li><li class="chapter-item expanded "><a href="../../../usage/administration/request_log.html">Request log format</a></li><li class="chapter-item expanded "><div>Scripts</div></li></ol></li><li class="chapter-item expanded "><li class="part-title">Development</li><li class="chapter-item expanded "><a href="../../../development/contributing_guide.html">Contributing Guide</a></li><li class="chapter-item expanded "><a href="../../../code_style.html">Code Style</a></li><li class="chapter-item expanded "><a href="../../../development/git.html">Git Usage</a></li><li class="chapter-item expanded "><div>Testing</div></li><li class="chapter-item expanded "><a href="../../../opentracing.html">OpenTracing</a></li><li class="chapter-item expanded "><a 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+
+ <h1 id="registration-tokens"><a class="header" href="#registration-tokens">Registration Tokens</a></h1>
+<p>This API allows you to manage tokens which can be used to authenticate
+registration requests, as proposed in <a href="https://github.com/govynnus/matrix-doc/blob/token-registration/proposals/3231-token-authenticated-registration.md">MSC3231</a>.
+To use it, you will need to enable the <code>registration_requires_token</code> config
+option, and authenticate by providing an <code>access_token</code> for a server admin:
+see <a href="../../usage/administration/admin_api">Admin API</a>.
+Note that this API is still experimental; not all clients may support it yet.</p>
+<h2 id="registration-token-objects"><a class="header" href="#registration-token-objects">Registration token objects</a></h2>
+<p>Most endpoints make use of JSON objects that contain details about tokens.
+These objects have the following fields:</p>
+<ul>
+<li><code>token</code>: The token which can be used to authenticate registration.</li>
+<li><code>uses_allowed</code>: The number of times the token can be used to complete a
+registration before it becomes invalid.</li>
+<li><code>pending</code>: The number of pending uses the token has. When someone uses
+the token to authenticate themselves, the pending counter is incremented
+so that the token is not used more than the permitted number of times.
+When the person completes registration the pending counter is decremented,
+and the completed counter is incremented.</li>
+<li><code>completed</code>: The number of times the token has been used to successfully
+complete a registration.</li>
+<li><code>expiry_time</code>: The latest time the token is valid. Given as the number of
+milliseconds since 1970-01-01 00:00:00 UTC (the start of the Unix epoch).
+To convert this into a human-readable form you can remove the milliseconds
+and use the <code>date</code> command. For example, <code>date -d '@1625394937'</code>.</li>
+</ul>
+<h2 id="list-all-tokens"><a class="header" href="#list-all-tokens">List all tokens</a></h2>
+<p>Lists all tokens and details about them. If the request is successful, the top
+level JSON object will have a <code>registration_tokens</code> key which is an array of
+registration token objects.</p>
+<pre><code>GET /_synapse/admin/v1/registration_tokens
+</code></pre>
+<p>Optional query parameters:</p>
+<ul>
+<li><code>valid</code>: <code>true</code> or <code>false</code>. If <code>true</code>, only valid tokens are returned.
+If <code>false</code>, only tokens that have expired or have had all uses exhausted are
+returned. If omitted, all tokens are returned regardless of validity.</li>
+</ul>
+<p>Example:</p>
+<pre><code>GET /_synapse/admin/v1/registration_tokens
+</code></pre>
+<pre><code>200 OK
+
+{
+ "registration_tokens": [
+ {
+ "token": "abcd",
+ "uses_allowed": 3,
+ "pending": 0,
+ "completed": 1,
+ "expiry_time": null
+ },
+ {
+ "token": "pqrs",
+ "uses_allowed": 2,
+ "pending": 1,
+ "completed": 1,
+ "expiry_time": null
+ },
+ {
+ "token": "wxyz",
+ "uses_allowed": null,
+ "pending": 0,
+ "completed": 9,
+ "expiry_time": 1625394937000 // 2021-07-04 10:35:37 UTC
+ }
+ ]
+}
+</code></pre>
+<p>Example using the <code>valid</code> query parameter:</p>
+<pre><code>GET /_synapse/admin/v1/registration_tokens?valid=false
+</code></pre>
+<pre><code>200 OK
+
+{
+ "registration_tokens": [
+ {
+ "token": "pqrs",
+ "uses_allowed": 2,
+ "pending": 1,
+ "completed": 1,
+ "expiry_time": null
+ },
+ {
+ "token": "wxyz",
+ "uses_allowed": null,
+ "pending": 0,
+ "completed": 9,
+ "expiry_time": 1625394937000 // 2021-07-04 10:35:37 UTC
+ }
+ ]
+}
+</code></pre>
+<h2 id="get-one-token"><a class="header" href="#get-one-token">Get one token</a></h2>
+<p>Get details about a single token. If the request is successful, the response
+body will be a registration token object.</p>
+<pre><code>GET /_synapse/admin/v1/registration_tokens/<token>
+</code></pre>
+<p>Path parameters:</p>
+<ul>
+<li><code>token</code>: The registration token to return details of.</li>
+</ul>
+<p>Example:</p>
+<pre><code>GET /_synapse/admin/v1/registration_tokens/abcd
+</code></pre>
+<pre><code>200 OK
+
+{
+ "token": "abcd",
+ "uses_allowed": 3,
+ "pending": 0,
+ "completed": 1,
+ "expiry_time": null
+}
+</code></pre>
+<h2 id="create-token"><a class="header" href="#create-token">Create token</a></h2>
+<p>Create a new registration token. If the request is successful, the newly created
+token will be returned as a registration token object in the response body.</p>
+<pre><code>POST /_synapse/admin/v1/registration_tokens/new
+</code></pre>
+<p>The request body must be a JSON object and can contain the following fields:</p>
+<ul>
+<li><code>token</code>: The registration token. A string of no more than 64 characters that
+consists only of characters matched by the regex <code>[A-Za-z0-9-_]</code>.
+Default: randomly generated.</li>
+<li><code>uses_allowed</code>: The integer number of times the token can be used to complete
+a registration before it becomes invalid.
+Default: <code>null</code> (unlimited uses).</li>
+<li><code>expiry_time</code>: The latest time the token is valid. Given as the number of
+milliseconds since 1970-01-01 00:00:00 UTC (the start of the Unix epoch).
+You could use, for example, <code>date '+%s000' -d 'tomorrow'</code>.
+Default: <code>null</code> (token does not expire).</li>
+<li><code>length</code>: The length of the token randomly generated if <code>token</code> is not
+specified. Must be between 1 and 64 inclusive. Default: <code>16</code>.</li>
+</ul>
+<p>If a field is omitted the default is used.</p>
+<p>Example using defaults:</p>
+<pre><code>POST /_synapse/admin/v1/registration_tokens/new
+
+{}
+</code></pre>
+<pre><code>200 OK
+
+{
+ "token": "0M-9jbkf2t_Tgiw1",
+ "uses_allowed": null,
+ "pending": 0,
+ "completed": 0,
+ "expiry_time": null
+}
+</code></pre>
+<p>Example specifying some fields:</p>
+<pre><code>POST /_synapse/admin/v1/registration_tokens/new
+
+{
+ "token": "defg",
+ "uses_allowed": 1
+}
+</code></pre>
+<pre><code>200 OK
+
+{
+ "token": "defg",
+ "uses_allowed": 1,
+ "pending": 0,
+ "completed": 0,
+ "expiry_time": null
+}
+</code></pre>
+<h2 id="update-token"><a class="header" href="#update-token">Update token</a></h2>
+<p>Update the number of allowed uses or expiry time of a token. If the request is
+successful, the updated token will be returned as a registration token object
+in the response body.</p>
+<pre><code>PUT /_synapse/admin/v1/registration_tokens/<token>
+</code></pre>
+<p>Path parameters:</p>
+<ul>
+<li><code>token</code>: The registration token to update.</li>
+</ul>
+<p>The request body must be a JSON object and can contain the following fields:</p>
+<ul>
+<li><code>uses_allowed</code>: The integer number of times the token can be used to complete
+a registration before it becomes invalid. By setting <code>uses_allowed</code> to <code>0</code>
+the token can be easily made invalid without deleting it.
+If <code>null</code> the token will have an unlimited number of uses.</li>
+<li><code>expiry_time</code>: The latest time the token is valid. Given as the number of
+milliseconds since 1970-01-01 00:00:00 UTC (the start of the Unix epoch).
+If <code>null</code> the token will not expire.</li>
+</ul>
+<p>If a field is omitted its value is not modified.</p>
+<p>Example:</p>
+<pre><code>PUT /_synapse/admin/v1/registration_tokens/defg
+
+{
+ "expiry_time": 4781243146000 // 2121-07-06 11:05:46 UTC
+}
+</code></pre>
+<pre><code>200 OK
+
+{
+ "token": "defg",
+ "uses_allowed": 1,
+ "pending": 0,
+ "completed": 0,
+ "expiry_time": 4781243146000
+}
+</code></pre>
+<h2 id="delete-token"><a class="header" href="#delete-token">Delete token</a></h2>
+<p>Delete a registration token. If the request is successful, the response body
+will be an empty JSON object.</p>
+<pre><code>DELETE /_synapse/admin/v1/registration_tokens/<token>
+</code></pre>
+<p>Path parameters:</p>
+<ul>
+<li><code>token</code>: The registration token to delete.</li>
+</ul>
+<p>Example:</p>
+<pre><code>DELETE /_synapse/admin/v1/registration_tokens/wxyz
+</code></pre>
+<pre><code>200 OK
+
+{}
+</code></pre>
+<h2 id="errors"><a class="header" href="#errors">Errors</a></h2>
+<p>If a request fails a "standard error response" will be returned as defined in
+the <a href="https://matrix.org/docs/spec/client_server/r0.6.1#api-standards">Matrix Client-Server API specification</a>.</p>
+<p>For example, if the token specified in a path parameter does not exist a
+<code>404 Not Found</code> error will be returned.</p>
+<pre><code>GET /_synapse/admin/v1/registration_tokens/1234
+</code></pre>
+<pre><code>404 Not Found
+
+{
+ "errcode": "M_NOT_FOUND",
+ "error": "No such registration token: 1234"
+}
+</code></pre>
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