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Attachments

In the support table:

  • "✅" means at least one attachment,
  • "-" means parsed
  • "❌" means failed to parse

For more on image attachments see Image Description and Image Attachments.

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/5uHibHeaXnY",
  "published": "2025-04-11T08:56:34Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/fgf8_Ys-Q3o",
    "published": "2025-04-11T08:56:34Z",
    "content": "Image",
    "attachment": [
      {
        "type": "Image",
        "url": "http://pasture-one-actor/assets/cow.jpg",
        "mediaType": "image/jpeg",
        "name": "a cow"
      }
    ]
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/KAZEbWnBmDg",
  "published": "2025-04-11T08:56:45Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/zTX4BP6SHVA",
    "published": "2025-04-11T08:56:45Z",
    "content": "Video",
    "attachment": [
      {
        "type": "Video",
        "url": "http://pasture-one-actor/assets/cow_eating.mp4",
        "mediaType": "video/mp4",
        "name": "a cow eating grass"
      }
    ]
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/jjenED_PKvg",
  "published": "2025-04-11T08:56:56Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/tUdNZVQNHtM",
    "published": "2025-04-11T08:56:56Z",
    "content": "Audio",
    "attachment": [
      {
        "type": "Audio",
        "url": "http://pasture-one-actor/assets/cow_moo.mp3",
        "mediaType": "audio/mpeg",
        "name": "the moo sound of a cow"
      }
    ]
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/uvMf3dyJFJg",
  "published": "2025-04-11T08:57:07Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/LvLbsU7yNVM",
    "published": "2025-04-11T08:57:07Z",
    "content": "Audio as Document",
    "attachment": [
      {
        "type": "Document",
        "url": "http://pasture-one-actor/assets/cow_moo.mp3",
        "mediaType": "audio/mpeg",
        "name": "the moo sound of a cow"
      }
    ]
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/81-U6NlwE-Y",
  "published": "2025-04-11T08:57:17Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/bzhU3ex1pb4",
    "published": "2025-04-11T08:57:17Z",
    "content": "Link",
    "attachment": {
      "href": "https://funfedi.dev",
      "type": "Link"
    }
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/e8uDnKtS7B0",
  "published": "2025-04-11T08:57:28Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/w6GA9TVVmQA",
    "published": "2025-04-11T08:57:28Z",
    "content": "Payment Link, see FEP-0ea0",
    "attachment": {
      "type": "Link",
      "name": "Donate",
      "href": "payto://iban/DE75512108001245126199",
      "rel": "payment"
    }
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/q-flvWzs0eY",
  "published": "2025-04-11T08:57:39Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/yQFAq7d4CqM",
    "published": "2025-04-11T08:57:39Z",
    "content": "Text document",
    "attachment": {
      "type": "Document",
      "name": "text document",
      "url": "http://pasture-one-actor/assets/sample.txt"
    }
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/wNCS9f8a1hc",
  "published": "2025-04-11T08:57:50Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/JE__o8jZ3oA",
    "published": "2025-04-11T08:57:50Z",
    "content": "Text document, href instead of url",
    "attachment": {
      "type": "Document",
      "name": "text document",
      "href": "http://pasture-one-actor/assets/sample.txt"
    }
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/gRWhFt4aus0",
  "published": "2025-04-11T08:58:00Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/2a7Bx6LMUtI",
    "published": "2025-04-11T08:58:00Z",
    "content": "attached note",
    "attachment": {
      "type": "Note",
      "attributedTo": "http://pasture-one-actor/actor",
      "name": "attached note",
      "content": "This is just a note",
      "published": "2024-03-06T07:23:56Z"
    }
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/c6aRtO7XUNE",
  "published": "2025-04-11T08:58:11Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/sNRAVPPRpnI",
    "published": "2025-04-11T08:58:11Z",
    "content": "Recipe",
    "attachment": {
      "@context": "https://schema.org/docs/jsonldcontext.jsonld",
      "@type": "Recipe",
      "name": "Peanut Butter and Jelly Sandwich",
      "recipeIngredient": [
        "Bread",
        "Peanut Butter",
        "Raspberry Jam",
        "Coffee (optional)"
      ],
      "recipeCategory": "Breakfast",
      "recipeInstructions": [
        {
          "@type": "HowToStep",
          "text": "Take a slice of bread and put it on a plate"
        },
        {
          "@type": "HowToStep",
          "text": "Spread peanut butter on the bread"
        },
        {
          "@type": "HowToStep",
          "text": "Spread raspberry jam on top of the peanut butter"
        },
        {
          "@type": "HowToStep",
          "text": "Eat your PB&J Sandwich and drink your coffee if you have it"
        },
        {
          "@type": "HowToStep",
          "text": "Check if you are still hungry, if yes a repeat step 1"
        }
      ]
    }
  }
}

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": [
    "http://misskey/users/a6g2x9ocfyaz0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/WUO-dAIuiXs",
  "published": "2025-04-11T08:58:22Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a6g2x9ocfyaz0003"
    ],
    "id": "http://pasture-one-actor/actor/9Uit-nIwXbQ",
    "published": "2025-04-11T08:58:22Z",
    "content": "10 images",
    "attachment": [
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/101.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/102.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/103.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/104.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/105.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/106.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/107.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/108.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/109.png"
      },
      {
        "type": "Document",
        "url": "http://pasture-one-actor/images/1010.png"
      }
    ]
  }
}