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Media Types

This support table illustrates what happens when varying media types are chosen.

Examples

Example 1

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/c84iMNNVFPg",
  "published": "2025-12-08T11:37:42Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/eKoNPYqwmiU",
    "published": "2025-12-08T11:37:42Z",
    "content": "<b>text</b>",
    "mediaType": "text/html"
  }
}
misskey
{
  "id": "ag0n5u9cgsyv003o",
  "createdAt": "2025-12-08T11:37:42.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "**text**",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/eKoNPYqwmiU",
  "clippedCount": 0
}

Example 2

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/U8ZJE5LJtMs",
  "published": "2025-12-08T11:37:43Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/DUzhLva3_E0",
    "published": "2025-12-08T11:37:43Z",
    "content": "<b>text</b>",
    "mediaType": "text/markdown"
  }
}
misskey
{
  "id": "ag0n5v14gsyv003p",
  "createdAt": "2025-12-08T11:37:43.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "**text**",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/DUzhLva3_E0",
  "clippedCount": 0
}

Example 3

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/OiEldEjOgnk",
  "published": "2025-12-08T11:37:43Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/7ZycKeX-9RE",
    "published": "2025-12-08T11:37:43Z",
    "content": "<b>text</b>",
    "mediaType": "text/plain"
  }
}
misskey
{
  "id": "ag0n5v14gsyv003q",
  "createdAt": "2025-12-08T11:37:43.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "**text**",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/7ZycKeX-9RE",
  "clippedCount": 0
}

Example 4

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/wRUCWFn4gW8",
  "published": "2025-12-08T11:37:44Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/uwVOApTrwS8",
    "published": "2025-12-08T11:37:44Z",
    "content": "__text__",
    "mediaType": "text/html"
  }
}
misskey
{
  "id": "ag0n5vswgsyv003r",
  "createdAt": "2025-12-08T11:37:44.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "__text__",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/uwVOApTrwS8",
  "clippedCount": 0
}

Example 5

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/8VdgwsnGEwQ",
  "published": "2025-12-08T11:37:45Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/BEtw34oVWN0",
    "published": "2025-12-08T11:37:45Z",
    "content": "__text__",
    "mediaType": "text/markdown"
  }
}
misskey
{
  "id": "ag0n5wkogsyv003s",
  "createdAt": "2025-12-08T11:37:45.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "__text__",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/BEtw34oVWN0",
  "clippedCount": 0
}

Example 6

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/i1vVqibDmKU",
  "published": "2025-12-08T11:37:45Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/9FxIq6XZdNI",
    "published": "2025-12-08T11:37:45Z",
    "content": "__text__",
    "mediaType": "text/plain"
  }
}
misskey
{
  "id": "ag0n5wkogsyv003t",
  "createdAt": "2025-12-08T11:37:45.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "__text__",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/9FxIq6XZdNI",
  "clippedCount": 0
}

Example 7

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/mR6HOfDrNMU",
  "published": "2025-12-08T11:37:46Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/8tZhuAxcW9g",
    "published": "2025-12-08T11:37:46Z",
    "content": "**text**",
    "mediaType": "text/html"
  }
}
misskey
{
  "id": "ag0n5xcggsyv003u",
  "createdAt": "2025-12-08T11:37:46.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "**text**",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/8tZhuAxcW9g",
  "clippedCount": 0
}

Example 8

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/DhTBCpbCBhU",
  "published": "2025-12-08T11:37:46Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/Rty-W9QLMoE",
    "published": "2025-12-08T11:37:46Z",
    "content": "**text**",
    "mediaType": "text/markdown"
  }
}
misskey
{
  "id": "ag0n5xcggsyv003v",
  "createdAt": "2025-12-08T11:37:46.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "**text**",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/Rty-W9QLMoE",
  "clippedCount": 0
}

Example 9

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://misskey/users/ag0mqqelszbk0003"
  ],
  "id": "http://pasture-one-actor/activity/HILUd9iRdZ8",
  "published": "2025-12-08T11:37:47Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/ag0mqqelszbk0003"
    ],
    "id": "http://pasture-one-actor/object/xeP0r_fqfAw",
    "published": "2025-12-08T11:37:47Z",
    "content": "**text**",
    "mediaType": "text/plain"
  }
}
misskey
{
  "id": "ag0n5y48gsyv003w",
  "createdAt": "2025-12-08T11:37:47.000Z",
  "userId": "ag0msgbpgsyv0003",
  "user": {
    "id": "ag0msgbpgsyv0003",
    "name": "Test Actor",
    "username": "actor",
    "host": "pasture-one-actor",
    "avatarUrl": "http://misskey/identicon/actor@pasture-one-actor",
    "avatarBlurhash": null,
    "avatarDecorations": [],
    "isBot": false,
    "isCat": false,
    "instance": {
      "name": null,
      "softwareName": null,
      "softwareVersion": null,
      "iconUrl": null,
      "faviconUrl": null,
      "themeColor": null
    },
    "emojis": {},
    "onlineStatus": "unknown"
  },
  "text": "**text**",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [],
  "files": [],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/object/xeP0r_fqfAw",
  "clippedCount": 0
}