MatrixSynapse/synapse/res/providers.json

[
    {
        "provider_name": "Twitter",
        "provider_url": "http://www.twitter.com/",
        "endpoints": [
            {
                "schemes": [
                    "https://twitter.com/*/moments/*",
                    "https://*.twitter.com/*/moments/*"
                ],
                "url": "https://publish.twitter.com/oembed"
            }
        ]
    }
]