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Emoji

Emojis are documented in FEP-9098

In the support table:

  • ✅ means Emoji parsed
    • means Emoji not parsed
  • ❌ failed to process, i.e. no message received in the application.

Support Table Preview

content Object Activity
emoji base properties :cow1:
[
  {
    “type”: “Emoji”,
    “name”: “:cow1:”,
    “updated”: “2025-01-22T12:57:33Z”,
    “icon”: {
      “type”: “Image”,
      “mediaType”: “image/png”,
      “url”: “http://pasture-one-actor/assets/cow_emoji.png”
    }
  }
]
 Object Activity
emoji minimal properties 🐄
[
  {
    “type”: “Emoji”,
    “name”: “🐄”,
    “icon”: {
      “url”: “http://pasture-one-actor/assets/cow_emoji.png”
    }
  }
]
 Object Activity
emoji with type of icon :cow3:
[
  {
    “type”: “Emoji”,
    “name”: “:cow3:”,
    “icon”: {
      “type”: “Image”,
      “url”: “http://pasture-one-actor/assets/cow_emoji.png”
    }
  }
]
 Object Activity
emoji with inlined icon :cow4:
[
  {
    “type”: “Emoji”,
    “name”: “:cow4:”,
    “icon”: “http://pasture-one-actor/assets/cow_emoji.png”
  }
]
 Object Activity
emoji with id :cow5:
[
  {
    “id”: “http://pasture-one-actor/assets/cow_emoji.jsonap”,
    “type”: “Emoji”,
    “name”: “:cow5:”,
    “updated”: “2025-01-22T12:57:33Z”,
    “icon”: {
      “type”: “Image”,
      “mediaType”: “image/png”,
      “url”: “http://pasture-one-actor/assets/cow_emoji.png”
    }
  }
]
 Object Activity
emoji with missing icon :cow6:
[
  {
    “type”: “Emoji”,
    “name”: “:cow6:”
  }
]
 Object Activity
emoji just id 🐮
[
  “http://pasture-one-actor/assets/cow_emoji.jsonap”
]
 Object Activity

Objects

Object 1

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "emoji base properties :cow1:",
  "id": "http://actor.example/object/ojzh8L6jQ4E",
  "published": "2025-09-09T09:32:39Z",
  "tag": [
    {
      "icon": {
        "mediaType": "image/png",
        "type": "Image",
        "url": "http://pasture-one-actor/assets/cow_emoji.png"
      },
      "name": ":cow1:",
      "type": "Emoji",
      "updated": "2025-01-22T12:57:33Z"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 2

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "emoji minimal properties :cow2:",
  "id": "http://actor.example/object/ED26bVkFmkg",
  "published": "2025-09-09T09:32:39Z",
  "tag": [
    {
      "icon": {
        "url": "http://pasture-one-actor/assets/cow_emoji.png"
      },
      "name": ":cow2:",
      "type": "Emoji"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 3

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "emoji with type of icon :cow3:",
  "id": "http://actor.example/object/Zumy91EobqE",
  "published": "2025-09-09T09:32:39Z",
  "tag": [
    {
      "icon": {
        "type": "Image",
        "url": "http://pasture-one-actor/assets/cow_emoji.png"
      },
      "name": ":cow3:",
      "type": "Emoji"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 4

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "emoji with inlined icon :cow4:",
  "id": "http://actor.example/object/8_2yTv8yzpQ",
  "published": "2025-09-09T09:32:39Z",
  "tag": [
    {
      "icon": "http://pasture-one-actor/assets/cow_emoji.png",
      "name": ":cow4:",
      "type": "Emoji"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 5

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "emoji with id :cow5:",
  "id": "http://actor.example/object/D0185tfk_Ic",
  "published": "2025-09-09T09:32:39Z",
  "tag": [
    {
      "icon": {
        "mediaType": "image/png",
        "type": "Image",
        "url": "http://pasture-one-actor/assets/cow_emoji.png"
      },
      "id": "http://pasture-one-actor/assets/cow_emoji.jsonap",
      "name": ":cow5:",
      "type": "Emoji",
      "updated": "2025-01-22T12:57:33Z"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 6

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "emoji with missing icon :cow6:",
  "id": "http://actor.example/object/ByhHYdFusZw",
  "published": "2025-09-09T09:32:39Z",
  "tag": [
    {
      "name": ":cow6:",
      "type": "Emoji"
    }
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Object 7

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "attributedTo": "http://actor.example",
  "content": "emoji just id :cow:",
  "id": "http://actor.example/object/3WyZbpKgR-8",
  "published": "2025-09-09T09:32:39Z",
  "tag": [
    "http://pasture-one-actor/assets/cow_emoji.jsonap"
  ],
  "to": [
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "type": "Note"
}

Activities

Activity 1

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/0c4a6XJiHSM",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "emoji base properties :cow1:",
    "id": "http://actor.example/object/Bj-szzJI11s",
    "published": "2025-09-09T09:32:39Z",
    "tag": [
      {
        "icon": {
          "mediaType": "image/png",
          "type": "Image",
          "url": "http://pasture-one-actor/assets/cow_emoji.png"
        },
        "name": ":cow1:",
        "type": "Emoji",
        "updated": "2025-01-22T12:57:33Z"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-09-09T09:32:39Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://remote.example/"
  ],
  "type": "Create"
}

Activity 2

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/ZBebg5ZhmVQ",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "emoji minimal properties :cow2:",
    "id": "http://actor.example/object/jPK3gZxJ_1s",
    "published": "2025-09-09T09:32:39Z",
    "tag": [
      {
        "icon": {
          "url": "http://pasture-one-actor/assets/cow_emoji.png"
        },
        "name": ":cow2:",
        "type": "Emoji"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-09-09T09:32:39Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://remote.example/"
  ],
  "type": "Create"
}

Activity 3

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/YRa_ggFfEbM",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "emoji with type of icon :cow3:",
    "id": "http://actor.example/object/PcblipbAJPs",
    "published": "2025-09-09T09:32:39Z",
    "tag": [
      {
        "icon": {
          "type": "Image",
          "url": "http://pasture-one-actor/assets/cow_emoji.png"
        },
        "name": ":cow3:",
        "type": "Emoji"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-09-09T09:32:39Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://remote.example/"
  ],
  "type": "Create"
}

Activity 4

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/PL5nXh6l8do",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "emoji with inlined icon :cow4:",
    "id": "http://actor.example/object/6rIjaEVKVOw",
    "published": "2025-09-09T09:32:39Z",
    "tag": [
      {
        "icon": "http://pasture-one-actor/assets/cow_emoji.png",
        "name": ":cow4:",
        "type": "Emoji"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-09-09T09:32:39Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://remote.example/"
  ],
  "type": "Create"
}

Activity 5

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/iVWCBPrFpw0",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "emoji with id :cow5:",
    "id": "http://actor.example/object/0LyW_jqFTJI",
    "published": "2025-09-09T09:32:39Z",
    "tag": [
      {
        "icon": {
          "mediaType": "image/png",
          "type": "Image",
          "url": "http://pasture-one-actor/assets/cow_emoji.png"
        },
        "id": "http://pasture-one-actor/assets/cow_emoji.jsonap",
        "name": ":cow5:",
        "type": "Emoji",
        "updated": "2025-01-22T12:57:33Z"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-09-09T09:32:39Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://remote.example/"
  ],
  "type": "Create"
}

Activity 6

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/_GTW5MBQOWU",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "emoji with missing icon :cow6:",
    "id": "http://actor.example/object/PTdujQUkPZg",
    "published": "2025-09-09T09:32:39Z",
    "tag": [
      {
        "name": ":cow6:",
        "type": "Emoji"
      }
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-09-09T09:32:39Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://remote.example/"
  ],
  "type": "Create"
}

Activity 7

{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "actor": "http://actor.example",
  "id": "http://actor.example/activity/bL261NKRUBc",
  "object": {
    "attributedTo": "http://actor.example",
    "content": "emoji just id :cow:",
    "id": "http://actor.example/object/zIYd6Wc4y1c",
    "published": "2025-09-09T09:32:39Z",
    "tag": [
      "http://pasture-one-actor/assets/cow_emoji.jsonap"
    ],
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://remote.example/"
    ],
    "type": "Note"
  },
  "published": "2025-09-09T09:32:39Z",
  "to": [
    "https://www.w3.org/ns/activitystreams#Public",
    "http://remote.example/"
  ],
  "type": "Create"
}