Micropub

By https://grant.codes/, using https://micropub-post-types.glitch.me

{
    "type": [
        "h-entry"
    ],
    "properties": {
        "url": [
            "http:\/\/example.com\/this\/rsvp"
        ],
        "in-reply-to": [
            "http:\/\/example.com\/event"
        ],
        "rsvp": [
            "yes"
        ],
        "author": [
            {
                "type": [
                    "h-card"
                ],
                "properties": {
                    "name": [
                        "Alice"
                    ],
                    "url": [
                        "http:\/\/example.com\/alice"
                    ]
                }
            }
        ]
    }
}