Experimental Features API

This API allows a server administrator to enable or disable some experimental features on a per-userbasis. The currently supported features are:

• MSC3881: enable remotely toggling push notificationsfor another client
• MSC3575: enable experimental sliding sync support
• MSC4222: addingstate_after to sync v2

To use it, you will need to authenticate by providing anaccess_tokenfor a server admin: seeAdmin API.

Enabling/Disabling Features

This API allows a server administrator to enable experimental features for a given user. The request mustprovide a body containing the user id and listing the features to enable/disable in the following format:

{   "features": {      "msc3026":true,      "msc3881":true   }}

where true is used to enable the feature, and false is used to disable the feature.

The API is:

PUT /_synapse/admin/v1/experimental_features/<user_id>

Listing Enabled Features

To list which features are enabled/disabled for a given user send a request to the following API:

GET /_synapse/admin/v1/experimental_features/<user_id>

It will return a list of possible features and indicate whether they are enabled or disabled for theuser like so:

{   "features": {      "msc3026": true,      "msc3881": false,      "msc3967": false   }}