Skip to content

Image Attachments

The Image type is defined in ActivityStreams Vocabulary.

In the following, we test how various configurations of it are rendered.

A ❌ in the support table means that the entire message has failed to parse. A "-" means that the message was parsed, but no attachment was generated. The text, e.g. image or unknown is the the media type the Fediverse application determined for the attachment.

We furthermore wish to point out that having several links in the url property is useful to both offer the attachment in different formats and say dimensions, e.g. one high resolution and one low resolution one.

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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/g_fy_sg1r3Y",
  "published": "2025-07-15T11:09:31Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/7MbucK938j8",
    "published": "2025-07-15T11:09:31Z",
    "content": "Format png",
    "attachment": {
      "type": "Document",
      "url": "http://pasture-one-actor/images/001.png"
    }
  }
}
misskey
{
  "id": "aa7zv85451s3002l",
  "createdAt": "2025-07-15T11:09:31.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format png",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zv8e151s3002k"
  ],
  "files": [
    {
      "id": "aa7zv8e151s3002k",
      "createdAt": "2025-07-15T11:09:31.321Z",
      "name": "001.png",
      "type": "image/png",
      "md5": "2033e36e950d17bd198f07da7f0404be",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e3JU6D.jfQ.jfQ.jj[fQj[fQfQfQfQfQfQ.jj[fQj[fQfQfQfQfQfQ",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/001.png",
      "thumbnailUrl": "http://pasture-one-actor/images/001.png",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/7MbucK938j8",
  "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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/2A62bWEOCWY",
  "published": "2025-07-15T11:09:31Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/hk01Dj4r4Vo",
    "published": "2025-07-15T11:09:31Z",
    "content": "Format png",
    "attachment": {
      "type": "Document",
      "url": "http://pasture-one-actor/images/001b.png",
      "mediaType": "image/png"
    }
  }
}
misskey
{
  "id": "aa7zv85451s3002n",
  "createdAt": "2025-07-15T11:09:31.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format png",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zv8v051s3002m"
  ],
  "files": [
    {
      "id": "aa7zv8v051s3002m",
      "createdAt": "2025-07-15T11:09:31.932Z",
      "name": "001b.png",
      "type": "image/png",
      "md5": "4524084a401b03d30a5e391a9c216351",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e106F5hafQhafQhafkfQfkfQfQfQfQfQfQhafkfQfkfQfQfQfQfQfQ",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/001b.png",
      "thumbnailUrl": "http://pasture-one-actor/images/001b.png",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/hk01Dj4r4Vo",
  "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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/P1PwJ0AfKSg",
  "published": "2025-07-15T11:09:32Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/7IhoiN0P--I",
    "published": "2025-07-15T11:09:32Z",
    "content": "Format jpg",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/002.jpg"
    }
  }
}
misskey
{
  "id": "aa7zv8ww51s3002p",
  "createdAt": "2025-07-15T11:09:32.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format jpg",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zv9cm51s3002o"
  ],
  "files": [
    {
      "id": "aa7zv9cm51s3002o",
      "createdAt": "2025-07-15T11:09:32.566Z",
      "name": "002.jpg",
      "type": "image/jpeg",
      "md5": "e39496dfd47fe2eadc23ab0d56c73761",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e3LZFo?;fQ?;fQ?;j@fQj@fQfQfQfQfQfQ?;j@fQj@fQfQfQfQfQfQ",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/002.jpg",
      "thumbnailUrl": "http://pasture-one-actor/images/002.jpg",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/7IhoiN0P--I",
  "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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/cF-3pLixMrM",
  "published": "2025-07-15T11:09:33Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/ncgVV1PvJLg",
    "published": "2025-07-15T11:09:33Z",
    "content": "Format jpg",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/002b.jpg",
      "mediaType": "image/jpeg"
    }
  }
}
misskey
{
  "id": "aa7zv9oo51s3002r",
  "createdAt": "2025-07-15T11:09:33.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format jpg",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zv9ur51s3002q"
  ],
  "files": [
    {
      "id": "aa7zv9ur51s3002q",
      "createdAt": "2025-07-15T11:09:33.219Z",
      "name": "002b.jpg",
      "type": "image/jpeg",
      "md5": "8f53b247fd8d24f00439cadfb13a6cb8",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e4PUFz]ufQ]ufQ]ujufQjufQfQfQfQfQfQ]ujufQjufQfQfQfQfQfQ",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/002b.jpg",
      "thumbnailUrl": "http://pasture-one-actor/images/002b.jpg",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/ncgVV1PvJLg",
  "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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/XkD012c0YI8",
  "published": "2025-07-15T11:09:33Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/h-8hST3I0TU",
    "published": "2025-07-15T11:09:33Z",
    "content": "Format svg",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/assets/FediverseLogo.svg"
    }
  }
}
misskey
{
  "id": "aa7zv9oo51s3002t",
  "createdAt": "2025-07-15T11:09:33.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format svg",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zvadf51s3002s"
  ],
  "files": [
    {
      "id": "aa7zvadf51s3002s",
      "createdAt": "2025-07-15T11:09:33.891Z",
      "name": "FediverseLogo.svg",
      "type": "image/svg+xml",
      "md5": "c0cf4aac6c02350b855e29194f209216",
      "size": 0,
      "isSensitive": false,
      "blurhash": "eLDlNJ.}4.T?Im}fnOEVw[xb9IK[N1w~-T5cO?RPX2$yARM{tkj0t7",
      "properties": {},
      "url": "http://pasture-one-actor/assets/FediverseLogo.svg",
      "thumbnailUrl": "http://pasture-one-actor/assets/FediverseLogo.svg",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/h-8hST3I0TU",
  "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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/zfvN8fxwl24",
  "published": "2025-07-15T11:09:34Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/MfRx5_csy1E",
    "published": "2025-07-15T11:09:34Z",
    "content": "Format eps",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/003.eps"
    }
  }
}
misskey
{
  "id": "aa7zvagg51s3002v",
  "createdAt": "2025-07-15T11:09:34.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format eps",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zvaur51s3002u"
  ],
  "files": [
    {
      "id": "aa7zvaur51s3002u",
      "createdAt": "2025-07-15T11:09:34.515Z",
      "name": "003.eps",
      "type": "application/eps",
      "md5": "4f9f0aa64c0b222c1a6ab71b0b262db9",
      "size": 0,
      "isSensitive": false,
      "blurhash": null,
      "properties": {},
      "url": "http://pasture-one-actor/images/003.eps",
      "thumbnailUrl": null,
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/MfRx5_csy1E",
  "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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/DNBa1ZMCTQ8",
  "published": "2025-07-15T11:09:35Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/SXwBOk4Ct7k",
    "published": "2025-07-15T11:09:35Z",
    "content": "Format gif",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/003b.gif"
    }
  }
}
misskey
{
  "id": "aa7zvb8851s3002x",
  "createdAt": "2025-07-15T11:09:35.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format gif",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zvbdo51s3002w"
  ],
  "files": [
    {
      "id": "aa7zvbdo51s3002w",
      "createdAt": "2025-07-15T11:09:35.196Z",
      "name": "003b.gif",
      "type": "image/gif",
      "md5": "c379814595b544f37d9b778fa48fc204",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e1I~Hz~jfQ~jfQ~jj@fQj@fQfQfQfQfQfQ~jj@fQj@fQfQfQfQfQfQ",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/003b.gif",
      "thumbnailUrl": "http://pasture-one-actor/images/003b.gif",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/SXwBOk4Ct7k",
  "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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/nBBJjB9vstA",
  "published": "2025-07-15T11:09:35Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/JBNvwFkC61s",
    "published": "2025-07-15T11:09:35Z",
    "content": "Format tiff",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/003c.tiff"
    }
  }
}
misskey
{
  "id": "aa7zvb8851s3002z",
  "createdAt": "2025-07-15T11:09:35.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format tiff",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zvbuf51s3002y"
  ],
  "files": [
    {
      "id": "aa7zvbuf51s3002y",
      "createdAt": "2025-07-15T11:09:35.799Z",
      "name": "003c.tiff",
      "type": "image/tiff",
      "md5": "9e04299d39fd9f098157a9500aee5ada",
      "size": 0,
      "isSensitive": false,
      "blurhash": null,
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/003c.tiff",
      "thumbnailUrl": "http://pasture-one-actor/images/003c.tiff",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/JBNvwFkC61s",
  "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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/jeKuvxMWyPc",
  "published": "2025-07-15T11:09:36Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/WC86_fR5bxE",
    "published": "2025-07-15T11:09:36Z",
    "content": "Format webp",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/003d.webp"
    }
  }
}
misskey
{
  "id": "aa7zvc0051s30031",
  "createdAt": "2025-07-15T11:09:36.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Format webp",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zvcdz51s30030"
  ],
  "files": [
    {
      "id": "aa7zvcdz51s30030",
      "createdAt": "2025-07-15T11:09:36.503Z",
      "name": "003d.webp",
      "type": "image/webp",
      "md5": "d3b0c1d01dba53abd66d80508342e79c",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e2OGdK|yfO|yfP|yjsfPjtfQfQfhfOfRfQ|yjrfOjufQfSfRfRfSfR",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/003d.webp",
      "thumbnailUrl": "http://pasture-one-actor/images/003d.webp",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/WC86_fR5bxE",
  "clippedCount": 0
}

Example 10

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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/Hp9_D96Gp9Y",
  "published": "2025-07-15T11:09:36Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/xQpP7x4QvEQ",
    "published": "2025-07-15T11:09:36Z",
    "content": "url does not exit",
    "attachment": {
      "type": "Document",
      "url": "http://pasture-one-actor/assets/does_not_exist.png"
    }
  }
}

no result

Example 11

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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/yvDjHYqiEKE",
  "published": "2025-07-15T11:09:48Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/5-jSFC2SxWY",
    "published": "2025-07-15T11:09:48Z",
    "content": "Wrong height / width",
    "attachment": {
      "type": "Document",
      "width": 13,
      "height": 17,
      "url": "http://pasture-one-actor/images/004.png"
    }
  }
}
misskey
{
  "id": "aa7zvl9c51s30033",
  "createdAt": "2025-07-15T11:09:48.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "Wrong height / width",
  "cw": null,
  "visibility": "public",
  "localOnly": false,
  "reactionAcceptance": null,
  "renoteCount": 0,
  "repliesCount": 0,
  "reactionCount": 0,
  "reactions": {},
  "reactionEmojis": {},
  "emojis": {},
  "fileIds": [
    "aa7zvljp51s30032"
  ],
  "files": [
    {
      "id": "aa7zvljp51s30032",
      "createdAt": "2025-07-15T11:09:48.373Z",
      "name": "004.png",
      "type": "image/png",
      "md5": "3c000d8c068ab28d22f2fa392fe99498",
      "size": 0,
      "isSensitive": false,
      "blurhash": "e032;MqFfQqFfQqFfkfQfkfQfQfQfQfQfQqFfkfQfkfQfQfQfQfQfQ",
      "properties": {
        "width": 40,
        "height": 40
      },
      "url": "http://pasture-one-actor/images/004.png",
      "thumbnailUrl": "http://pasture-one-actor/images/004.png",
      "comment": null,
      "folderId": null,
      "folder": null,
      "userId": "aa7zsxes51s30003",
      "user": null
    }
  ],
  "replyId": null,
  "renoteId": null,
  "uri": "http://pasture-one-actor/actor/5-jSFC2SxWY",
  "clippedCount": 0
}

Example 12

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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/v_jfLcojgEI",
  "published": "2025-07-15T11:09:48Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/_TXvRqMXFjw",
    "published": "2025-07-15T11:09:48Z",
    "content": "No type",
    "attachment": {
      "url": "http://pasture-one-actor/images/005.png"
    }
  }
}
misskey
{
  "id": "aa7zvl9c51s30034",
  "createdAt": "2025-07-15T11:09:48.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "No type",
  "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/actor/_TXvRqMXFjw",
  "clippedCount": 0
}

Example 13

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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/r3HUX_dBQU0",
  "published": "2025-07-15T11:09:49Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/t6Vre13QM88",
    "published": "2025-07-15T11:09:49Z",
    "content": "url is Link object",
    "attachment": {
      "type": "Image",
      "url": {
        "type": "Link",
        "href": "http://pasture-one-actor/images/006.png"
      }
    }
  }
}
misskey
{
  "id": "aa7zvm1451s30035",
  "createdAt": "2025-07-15T11:09:49.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "url is Link object",
  "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/actor/t6Vre13QM88",
  "clippedCount": 0
}

Example 14

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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/UTZddONqYBQ",
  "published": "2025-07-15T11:09:50Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/jOB4pVC-YtE",
    "published": "2025-07-15T11:09:50Z",
    "content": "url is Link object with media type",
    "attachment": {
      "type": "Image",
      "url": {
        "type": "Link",
        "href": "http://pasture-one-actor/images/006b.png",
        "mediaType": "image/png"
      }
    }
  }
}
misskey
{
  "id": "aa7zvmsw51s30036",
  "createdAt": "2025-07-15T11:09:50.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "url is Link object with media type",
  "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/actor/jOB4pVC-YtE",
  "clippedCount": 0
}

Example 15

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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/5gjRme9rtBg",
  "published": "2025-07-15T11:09:50Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/qFefxnKwMbw",
    "published": "2025-07-15T11:09:50Z",
    "content": "url is Link object in an array",
    "attachment": {
      "type": "Image",
      "url": [
        {
          "type": "Link",
          "href": "http://pasture-one-actor/images/006c.png"
        }
      ]
    }
  }
}
misskey
{
  "id": "aa7zvmsw51s30037",
  "createdAt": "2025-07-15T11:09:50.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "url is Link object in an array",
  "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/actor/qFefxnKwMbw",
  "clippedCount": 0
}

Example 16

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/aa7zrbmmcm2r0003"
  ],
  "id": "http://pasture-one-actor/actor/4Bi0Nw2jSNE",
  "published": "2025-07-15T11:09:51Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/aa7zrbmmcm2r0003"
    ],
    "id": "http://pasture-one-actor/actor/OX29EHIb9SA",
    "published": "2025-07-15T11:09:51Z",
    "content": "url is array of two Link objects",
    "attachment": {
      "type": "Image",
      "url": [
        {
          "type": "Link",
          "href": "http://pasture-one-actor/images/007.png",
          "mediaType": "image/png"
        },
        {
          "type": "Link",
          "href": "http://pasture-one-actor/images/008.jpg",
          "mediaType": "image/jpeg"
        }
      ]
    }
  }
}
misskey
{
  "id": "aa7zvnko51s30038",
  "createdAt": "2025-07-15T11:09:51.000Z",
  "userId": "aa7zsxes51s30003",
  "user": {
    "id": "aa7zsxes51s30003",
    "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": "url is array of two Link objects",
  "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/actor/OX29EHIb9SA",
  "clippedCount": 0
}