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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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/-V_0MJrAPQk",
  "published": "2025-07-26T14:01:05Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/xHWtk3AnkEA",
    "published": "2025-07-26T14:01:05Z",
    "content": "Format png",
    "attachment": {
      "type": "Document",
      "url": "http://pasture-one-actor/images/001.png"
    }
  }
}
mastodon
{
  "id": "114919896905485740",
  "created_at": "2025-07-26T14:01:05.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/xHWtk3AnkEA",
  "url": "http://pasture-one-actor/actor/xHWtk3AnkEA",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format png",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 79,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919896899896694",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/896/899/896/694/original/47bf62739fc78e73.png",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/896/899/896/694/small/47bf62739fc78e73.png",
      "remote_url": "http://pasture-one-actor/images/001.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U01$o%l8fQl8l8fkfQfkfQfQfQfQl8fkfQfk"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/3-6-FUouKY4",
  "published": "2025-07-26T14:01:06Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/NmgUJuqNLSU",
    "published": "2025-07-26T14:01:06Z",
    "content": "Format png",
    "attachment": {
      "type": "Document",
      "url": "http://pasture-one-actor/images/001b.png",
      "mediaType": "image/png"
    }
  }
}
mastodon
{
  "id": "114919896969259018",
  "created_at": "2025-07-26T14:01:06.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/NmgUJuqNLSU",
  "url": "http://pasture-one-actor/actor/NmgUJuqNLSU",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format png",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 80,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919896963059068",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/896/963/059/068/original/ec30a4507f1ae80d.png",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/896/963/059/068/small/ec30a4507f1ae80d.png",
      "remote_url": "http://pasture-one-actor/images/001b.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U08anKy*fQy*y*fjfQfjfQfQfQfQy*fjfQfj"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/aLGh_ZobcBg",
  "published": "2025-07-26T14:01:07Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/2OpGDVHW3bk",
    "published": "2025-07-26T14:01:07Z",
    "content": "Format jpg",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/002.jpg"
    }
  }
}
mastodon
{
  "id": "114919897049832938",
  "created_at": "2025-07-26T14:01:07.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/2OpGDVHW3bk",
  "url": "http://pasture-one-actor/actor/2OpGDVHW3bk",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format jpg",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 81,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897042619990",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/042/619/990/original/4781e96d5d818449.jpg",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/042/619/990/small/4781e96d5d818449.jpg",
      "remote_url": "http://pasture-one-actor/images/002.jpg",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U2D{e2yZfQyZyZfkfQfkfQfQfQfQyZfkfQfk"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/Zl4Ihfu_Vvg",
  "published": "2025-07-26T14:01:08Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/icNx0vo2TsQ",
    "published": "2025-07-26T14:01:08Z",
    "content": "Format jpg",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/002b.jpg",
      "mediaType": "image/jpeg"
    }
  }
}
mastodon
{
  "id": "114919897111681829",
  "created_at": "2025-07-26T14:01:08.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/icNx0vo2TsQ",
  "url": "http://pasture-one-actor/actor/icNx0vo2TsQ",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format jpg",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 82,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897105727302",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/105/727/302/original/df9af044918e39e4.jpg",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/105/727/302/small/df9af044918e39e4.jpg",
      "remote_url": "http://pasture-one-actor/images/002b.jpg",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U2GT%E%$fQ%$%$fkfQfkfQfQfQfQ%$fkfQfk"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/z6pCYbmpKVs",
  "published": "2025-07-26T14:01:09Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/aBE_Ajh5GFs",
    "published": "2025-07-26T14:01:09Z",
    "content": "Format svg",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/assets/FediverseLogo.svg"
    }
  }
}
mastodon
{
  "id": "114919897379947181",
  "created_at": "2025-07-26T14:01:09.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/aBE_Ajh5GFs",
  "url": "http://pasture-one-actor/actor/aBE_Ajh5GFs",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format svg",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 83,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897169273837",
      "type": "unknown",
      "url": "http://mastodon/media_proxy/114919897169273837/original",
      "preview_url": "http://mastodon/media_proxy/114919897169273837/small",
      "remote_url": "http://pasture-one-actor/assets/FediverseLogo.svg",
      "preview_remote_url": null,
      "text_url": null,
      "meta": null,
      "description": null,
      "blurhash": null
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/PmySAI4WMBs",
  "published": "2025-07-26T14:01:13Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/mDZKg80qIsA",
    "published": "2025-07-26T14:01:13Z",
    "content": "Format eps",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/003.eps"
    }
  }
}
mastodon
{
  "id": "114919897455321124",
  "created_at": "2025-07-26T14:01:13.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/mDZKg80qIsA",
  "url": "http://pasture-one-actor/actor/mDZKg80qIsA",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format eps",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 84,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897448295546",
      "type": "unknown",
      "url": "http://mastodon/media_proxy/114919897448295546/original",
      "preview_url": "http://mastodon/media_proxy/114919897448295546/small",
      "remote_url": "http://pasture-one-actor/images/003.eps",
      "preview_remote_url": null,
      "text_url": null,
      "meta": null,
      "description": null,
      "blurhash": null
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/0FrYOMXhJZI",
  "published": "2025-07-26T14:01:14Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/Q1TUKw0Lcvo",
    "published": "2025-07-26T14:01:14Z",
    "content": "Format gif",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/003b.gif"
    }
  }
}
mastodon
{
  "id": "114919897517299176",
  "created_at": "2025-07-26T14:01:14.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/Q1TUKw0Lcvo",
  "url": "http://pasture-one-actor/actor/Q1TUKw0Lcvo",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format gif",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 85,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897511358195",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/511/358/195/original/64047cfa710fe3bc.gif",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/511/358/195/small/64047cfa710fe3bc.png",
      "remote_url": "http://pasture-one-actor/images/003b.gif",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U0ByIC-YfQ-Y-YjufQjufQfQfQfQ-YjufQju"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/Zeu3qIB3FqM",
  "published": "2025-07-26T14:01:15Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/EVYepvCJraI",
    "published": "2025-07-26T14:01:15Z",
    "content": "Format tiff",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/003c.tiff"
    }
  }
}
mastodon
{
  "id": "114919897581726578",
  "created_at": "2025-07-26T14:01:15.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/EVYepvCJraI",
  "url": "http://pasture-one-actor/actor/EVYepvCJraI",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format tiff",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 86,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897575796174",
      "type": "unknown",
      "url": "http://mastodon/media_proxy/114919897575796174/original",
      "preview_url": "http://mastodon/media_proxy/114919897575796174/small",
      "remote_url": "http://pasture-one-actor/images/003c.tiff",
      "preview_remote_url": null,
      "text_url": null,
      "meta": null,
      "description": null,
      "blurhash": null
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/JMAnRsrKreo",
  "published": "2025-07-26T14:01:16Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/kqu0zl577f4",
    "published": "2025-07-26T14:01:16Z",
    "content": "Format webp",
    "attachment": {
      "type": "Image",
      "url": "http://pasture-one-actor/images/003d.webp"
    }
  }
}
mastodon
{
  "id": "114919897652658880",
  "created_at": "2025-07-26T14:01:16.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/kqu0zl577f4",
  "url": "http://pasture-one-actor/actor/kqu0zl577f4",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Format webp",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 87,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897640905098",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/640/905/098/original/ee92ed478de5d266.webp",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/640/905/098/small/ee92ed478de5d266.webp",
      "remote_url": "http://pasture-one-actor/images/003d.webp",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U0EnY7-.W:^P-.OVW:o1W:WpSfSy^Pn*SyOV"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/S_KE2ErvY5g",
  "published": "2025-07-26T14:01:17Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/2RREAz94rhU",
    "published": "2025-07-26T14:01:17Z",
    "content": "url does not exit",
    "attachment": {
      "type": "Document",
      "url": "http://pasture-one-actor/assets/does_not_exist.png"
    }
  }
}
mastodon
{
  "id": "114919897728497634",
  "created_at": "2025-07-26T14:01:17.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/2RREAz94rhU",
  "url": "http://pasture-one-actor/actor/2RREAz94rhU",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "url does not exit",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 88,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897726931751",
      "type": "unknown",
      "url": "http://mastodon/media_proxy/114919897726931751/original",
      "preview_url": "http://mastodon/media_proxy/114919897726931751/small",
      "remote_url": "http://pasture-one-actor/assets/does_not_exist.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": null,
      "description": null,
      "blurhash": null
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/B3hZgy_AN8A",
  "published": "2025-07-26T14:01:19Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/sFC1Eaut_jU",
    "published": "2025-07-26T14:01:19Z",
    "content": "Wrong height / width",
    "attachment": {
      "type": "Document",
      "width": 13,
      "height": 17,
      "url": "http://pasture-one-actor/images/004.png"
    }
  }
}
mastodon
{
  "id": "114919897797449016",
  "created_at": "2025-07-26T14:01:19.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/sFC1Eaut_jU",
  "url": "http://pasture-one-actor/actor/sFC1Eaut_jU",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "Wrong height / width",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 89,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897791515191",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/791/515/191/original/e84255bfae6cb669.png",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/791/515/191/small/e84255bfae6cb669.png",
      "remote_url": "http://pasture-one-actor/images/004.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U2G0JJ%jfQ%j%jfkfQfkfQfQfQfQ%jfkfQfk"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/zueGadjnOLM",
  "published": "2025-07-26T14:01:20Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/vGPBe5vjAGo",
    "published": "2025-07-26T14:01:20Z",
    "content": "No type",
    "attachment": {
      "url": "http://pasture-one-actor/images/005.png"
    }
  }
}
mastodon
{
  "id": "114919897863833980",
  "created_at": "2025-07-26T14:01:20.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/vGPBe5vjAGo",
  "url": "http://pasture-one-actor/actor/vGPBe5vjAGo",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "No type",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 90,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897856746962",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/856/746/962/original/37bd9534f5d4bf1c.png",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/856/746/962/small/37bd9534f5d4bf1c.png",
      "remote_url": "http://pasture-one-actor/images/005.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U12CsTl,fQl,l,fkfQfkfQfQfQfQl,fkfQfk"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/N3Xj5UFOrW0",
  "published": "2025-07-26T14:01:21Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/a5jsEFfKKdE",
    "published": "2025-07-26T14:01:21Z",
    "content": "url is Link object",
    "attachment": {
      "type": "Image",
      "url": {
        "type": "Link",
        "href": "http://pasture-one-actor/images/006.png"
      }
    }
  }
}
mastodon
{
  "id": "114919897931485835",
  "created_at": "2025-07-26T14:01:21.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/a5jsEFfKKdE",
  "url": "http://pasture-one-actor/actor/a5jsEFfKKdE",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "url is Link object",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 91,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897923991543",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/923/991/543/original/7c7e7d3fdef532c1.png",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/923/991/543/small/7c7e7d3fdef532c1.png",
      "remote_url": "http://pasture-one-actor/images/006.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U0DROj=*fQ=*=*jufQjufQfQfQfQ=*jufQju"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/X9IG_47Dmh0",
  "published": "2025-07-26T14:01:22Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/kB2PXo5MSZ4",
    "published": "2025-07-26T14:01:22Z",
    "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"
      }
    }
  }
}
mastodon
{
  "id": "114919897997376975",
  "created_at": "2025-07-26T14:01:22.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/kB2PXo5MSZ4",
  "url": "http://pasture-one-actor/actor/kB2PXo5MSZ4",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "url is Link object with media type",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 92,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919897990456588",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/990/456/588/original/06e7093be3a36b43.png",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/897/990/456/588/small/06e7093be3a36b43.png",
      "remote_url": "http://pasture-one-actor/images/006b.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U10}9slCfQlClCfkfQfkfQfQfQfQlCfkfQfk"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/luD6ieO7rjY",
  "published": "2025-07-26T14:01:23Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/85VeJMzqKJs",
    "published": "2025-07-26T14:01:23Z",
    "content": "url is Link object in an array",
    "attachment": {
      "type": "Image",
      "url": [
        {
          "type": "Link",
          "href": "http://pasture-one-actor/images/006c.png"
        }
      ]
    }
  }
}
mastodon
{
  "id": "114919898347052240",
  "created_at": "2025-07-26T14:01:23.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/85VeJMzqKJs",
  "url": "http://pasture-one-actor/actor/85VeJMzqKJs",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "url is Link object in an array",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 93,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919898341497485",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/898/341/497/485/original/d5cdc0f6ef51bb4c.png",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/898/341/497/485/small/d5cdc0f6ef51bb4c.png",
      "remote_url": "http://pasture-one-actor/images/006c.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U1B?b}yrfQyryrfkfQfkfQfQfQfQyrfkfQfk"
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/bqxg00pEagA",
  "published": "2025-07-26T14:01:28Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/DpKO13abKpQ",
    "published": "2025-07-26T14:01:28Z",
    "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"
        }
      ]
    }
  }
}
mastodon
{
  "id": "114919898486440186",
  "created_at": "2025-07-26T14:01:28.000Z",
  "in_reply_to_id": null,
  "in_reply_to_account_id": null,
  "sensitive": false,
  "spoiler_text": "",
  "visibility": "public",
  "language": null,
  "uri": "http://pasture-one-actor/actor/DpKO13abKpQ",
  "url": "http://pasture-one-actor/actor/DpKO13abKpQ",
  "replies_count": 0,
  "reblogs_count": 0,
  "favourites_count": 0,
  "edited_at": null,
  "favourited": false,
  "reblogged": false,
  "muted": false,
  "bookmarked": false,
  "content": "url is array of two Link objects",
  "filtered": [],
  "reblog": null,
  "account": {
    "id": "114919887140144768",
    "username": "actor",
    "acct": "actor@pasture-one-actor",
    "display_name": "Test Actor",
    "locked": false,
    "bot": false,
    "discoverable": false,
    "indexable": false,
    "group": false,
    "created_at": "2025-07-26T00:00:00.000Z",
    "note": "",
    "url": "http://pasture-one-actor/actor",
    "uri": "http://pasture-one-actor/actor",
    "avatar": "http://mastodon/avatars/original/missing.png",
    "avatar_static": "http://mastodon/avatars/original/missing.png",
    "header": "http://mastodon/headers/original/missing.png",
    "header_static": "http://mastodon/headers/original/missing.png",
    "followers_count": 0,
    "following_count": 0,
    "statuses_count": 94,
    "last_status_at": "2025-07-26",
    "hide_collections": true,
    "emojis": [],
    "fields": []
  },
  "media_attachments": [
    {
      "id": "114919898480666858",
      "type": "image",
      "url": "http://localhost:2970/system/cache/media_attachments/files/114/919/898/480/666/858/original/c54395267bb1b3ca.png",
      "preview_url": "http://localhost:2970/system/cache/media_attachments/files/114/919/898/480/666/858/small/c54395267bb1b3ca.png",
      "remote_url": "http://pasture-one-actor/images/007.png",
      "preview_remote_url": null,
      "text_url": null,
      "meta": {
        "original": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        },
        "small": {
          "width": 40,
          "height": 40,
          "size": "40x40",
          "aspect": 1.0
        }
      },
      "description": null,
      "blurhash": "U0H,h-}[fQ}[}[j[fQj[fQfQfQfQ}[j[fQj["
    }
  ],
  "mentions": [],
  "tags": [],
  "emojis": [],
  "quote": null,
  "card": null,
  "poll": null
}

Example 17

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://mastodon/users/hippo"
  ],
  "id": "http://pasture-one-actor/actor/zxSgzzzfGH4",
  "published": "2025-07-26T14:01:30Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://mastodon/users/hippo"
    ],
    "id": "http://pasture-one-actor/actor/VO9I5coaBM8",
    "published": "2025-07-26T14:01:30Z",
    "content": "inline image",
    "attachment": [
      {
        "@context": [
          "https://www.w3.org/ns/activitystreams",
          "https://www.w3.org/ns/credentials/v2",
          {
            "size": "https://joinpeertube.org/ns#size"
          }
        ],
        "type": "Image",
        "name": "A beautiful cow",
        "url": 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