Micropub

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

{
    "type": [
        "h-entry"
    ],
    "properties": {
        "name": [
            "Article Title"
        ],
        "content": [
            "An article with a featured image"
        ],
        "featured": [
            "https:\/\/placeimg.com\/500\/300"
        ]
    }
}