Variations of inReplyTo

The property is defined here. The goal of this support table is to show how applications react to inReplyTo containing a wide variation of allowed objects. As Fediverse applications generally only give one the option to reply to a single element, the lacking support should not be surprising.

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://pleroma/users/full",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/Q8nxHsnxt-0",
  "published": "2025-10-04T15:29:53Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://pleroma/users/full"
    ],
    "id": "http://pasture-one-actor/object/C2Q4uy6sD5U",
    "published": "2025-10-04T15:29:53Z",
    "content": "valid uri",
    "inReplyTo": "http://pasture-one-actor/assets/note1.jsonap"
  }
}

pleroma

{
  "account": {
    "acct": "actor@pasture-one-actor",
    "avatar": "http://pleroma/images/avi.png",
    "avatar_static": "http://pleroma/images/avi.png",
    "bot": false,
    "created_at": "2025-10-04T15:27:23.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
    "fqn": "actor@pasture-one-actor",
    "header": "http://pleroma/images/banner.png",
    "header_static": "http://pleroma/images/banner.png",
    "id": "AyryaDil1MdlzhybCK",
    "last_status_at": "2025-10-04",
    "locked": false,
    "note": "",
    "pleroma": {
      "accepts_chat_messages": null,
      "also_known_as": [],
      "ap_id": "http://pasture-one-actor/actor",
      "avatar_description": "",
      "background_image": null,
      "favicon": null,
      "header_description": "",
      "hide_favorites": true,
      "hide_followers": false,
      "hide_followers_count": false,
      "hide_follows": false,
      "hide_follows_count": false,
      "is_admin": false,
      "is_confirmed": true,
      "is_moderator": false,
      "is_suggested": false,
      "privileges": [],
      "relationship": {},
      "skip_thread_containment": false,
      "tags": []
    },
    "source": {
      "fields": [],
      "note": "",
      "pleroma": {
        "actor_type": "Person",
        "discoverable": false
      },
      "sensitive": false
    },
    "statuses_count": 51,
    "url": "http://pasture-one-actor/actor",
    "username": "actor"
  },
  "application": null,
  "bookmarked": false,
  "card": null,
  "content": "valid uri",
  "created_at": "2025-10-04T15:29:53.000Z",
  "edited_at": null,
  "emojis": [],
  "favourited": false,
  "favourites_count": 0,
  "id": "Ayryo3ikzuRt2AZiJk",
  "in_reply_to_account_id": "AyryaDil1MdlzhybCK",
  "in_reply_to_id": "Ayryo3cNNdLQiNacN6",
  "language": null,
  "media_attachments": [],
  "mentions": [
    {
      "acct": "full",
      "id": "AyrySeh8G8UUWVnaEa",
      "url": "http://pleroma/users/full",
      "username": "full"
    }
  ],
  "muted": false,
  "pinned": false,
  "pleroma": {
    "bookmark_folder": null,
    "content": {
      "text/plain": "valid uri"
    },
    "context": "http://pasture-one-actor/assets/note1.jsonap",
    "conversation_id": 1821429206,
    "direct_conversation_id": null,
    "emoji_reactions": [],
    "expires_at": null,
    "in_reply_to_account_acct": "actor@pasture-one-actor",
    "list_id": null,
    "local": false,
    "parent_visible": true,
    "pinned_at": null,
    "quote": null,
    "quote_id": null,
    "quote_url": null,
    "quote_visible": false,
    "quotes_count": 0,
    "spoiler_text": {
      "text/plain": ""
    },
    "thread_muted": false
  },
  "poll": null,
  "reblog": null,
  "reblogged": false,
  "reblogs_count": 0,
  "replies_count": 0,
  "sensitive": false,
  "spoiler_text": "",
  "tags": [],
  "text": null,
  "uri": "http://pasture-one-actor/object/C2Q4uy6sD5U",
  "url": "http://pasture-one-actor/object/C2Q4uy6sD5U",
  "visibility": "public"
}

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://pleroma/users/full",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/huFwjyl2i-k",
  "published": "2025-10-04T15:29:54Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://pleroma/users/full"
    ],
    "id": "http://pasture-one-actor/object/HH-hT92_kmo",
    "published": "2025-10-04T15:29:54Z",
    "content": "invalid uri",
    "inReplyTo": "http://invalid.example/"
  }
}

pleroma

{
  "account": {
    "acct": "actor@pasture-one-actor",
    "avatar": "http://pleroma/images/avi.png",
    "avatar_static": "http://pleroma/images/avi.png",
    "bot": false,
    "created_at": "2025-10-04T15:27:23.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
    "fqn": "actor@pasture-one-actor",
    "header": "http://pleroma/images/banner.png",
    "header_static": "http://pleroma/images/banner.png",
    "id": "AyryaDil1MdlzhybCK",
    "last_status_at": "2025-10-04",
    "locked": false,
    "note": "",
    "pleroma": {
      "accepts_chat_messages": null,
      "also_known_as": [],
      "ap_id": "http://pasture-one-actor/actor",
      "avatar_description": "",
      "background_image": null,
      "favicon": null,
      "header_description": "",
      "hide_favorites": true,
      "hide_followers": false,
      "hide_followers_count": false,
      "hide_follows": false,
      "hide_follows_count": false,
      "is_admin": false,
      "is_confirmed": true,
      "is_moderator": false,
      "is_suggested": false,
      "privileges": [],
      "relationship": {},
      "skip_thread_containment": false,
      "tags": []
    },
    "source": {
      "fields": [],
      "note": "",
      "pleroma": {
        "actor_type": "Person",
        "discoverable": false
      },
      "sensitive": false
    },
    "statuses_count": 52,
    "url": "http://pasture-one-actor/actor",
    "username": "actor"
  },
  "application": null,
  "bookmarked": false,
  "card": null,
  "content": "invalid uri",
  "created_at": "2025-10-04T15:29:54.000Z",
  "edited_at": null,
  "emojis": [],
  "favourited": false,
  "favourites_count": 0,
  "id": "Ayryo75uSHkdUqQkK0",
  "in_reply_to_account_id": null,
  "in_reply_to_id": null,
  "language": null,
  "media_attachments": [],
  "mentions": [
    {
      "acct": "full",
      "id": "AyrySeh8G8UUWVnaEa",
      "url": "http://pleroma/users/full",
      "username": "full"
    }
  ],
  "muted": false,
  "pinned": false,
  "pleroma": {
    "bookmark_folder": null,
    "content": {
      "text/plain": "invalid uri"
    },
    "context": "http://invalid.example/",
    "conversation_id": 1591888591,
    "direct_conversation_id": null,
    "emoji_reactions": [],
    "expires_at": null,
    "in_reply_to_account_acct": null,
    "list_id": null,
    "local": false,
    "parent_visible": false,
    "pinned_at": null,
    "quote": null,
    "quote_id": null,
    "quote_url": null,
    "quote_visible": false,
    "quotes_count": 0,
    "spoiler_text": {
      "text/plain": ""
    },
    "thread_muted": false
  },
  "poll": null,
  "reblog": null,
  "reblogged": false,
  "reblogs_count": 0,
  "replies_count": 0,
  "sensitive": false,
  "spoiler_text": "",
  "tags": [],
  "text": null,
  "uri": "http://pasture-one-actor/object/HH-hT92_kmo",
  "url": "http://pasture-one-actor/object/HH-hT92_kmo",
  "visibility": "public"
}

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://pleroma/users/full",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/PvoQAC32P88",
  "published": "2025-10-04T15:29:54Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://pleroma/users/full"
    ],
    "id": "http://pasture-one-actor/object/TlrLOyjJfDU",
    "published": "2025-10-04T15:29:54Z",
    "content": "list",
    "inReplyTo": [
      "http://pasture-one-actor/assets/note1.jsonap"
    ]
  }
}

pleroma

{
  "account": {
    "acct": "actor@pasture-one-actor",
    "avatar": "http://pleroma/images/avi.png",
    "avatar_static": "http://pleroma/images/avi.png",
    "bot": false,
    "created_at": "2025-10-04T15:27:23.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
    "fqn": "actor@pasture-one-actor",
    "header": "http://pleroma/images/banner.png",
    "header_static": "http://pleroma/images/banner.png",
    "id": "AyryaDil1MdlzhybCK",
    "last_status_at": "2025-10-04",
    "locked": false,
    "note": "",
    "pleroma": {
      "accepts_chat_messages": null,
      "also_known_as": [],
      "ap_id": "http://pasture-one-actor/actor",
      "avatar_description": "",
      "background_image": null,
      "favicon": null,
      "header_description": "",
      "hide_favorites": true,
      "hide_followers": false,
      "hide_followers_count": false,
      "hide_follows": false,
      "hide_follows_count": false,
      "is_admin": false,
      "is_confirmed": true,
      "is_moderator": false,
      "is_suggested": false,
      "privileges": [],
      "relationship": {},
      "skip_thread_containment": false,
      "tags": []
    },
    "source": {
      "fields": [],
      "note": "",
      "pleroma": {
        "actor_type": "Person",
        "discoverable": false
      },
      "sensitive": false
    },
    "statuses_count": 53,
    "url": "http://pasture-one-actor/actor",
    "username": "actor"
  },
  "application": null,
  "bookmarked": false,
  "card": null,
  "content": "list",
  "created_at": "2025-10-04T15:29:54.000Z",
  "edited_at": null,
  "emojis": [],
  "favourited": false,
  "favourites_count": 0,
  "id": "AyryoADopKrPCF9bZA",
  "in_reply_to_account_id": "AyryaDil1MdlzhybCK",
  "in_reply_to_id": "Ayryo3cNNdLQiNacN6",
  "language": null,
  "media_attachments": [],
  "mentions": [
    {
      "acct": "full",
      "id": "AyrySeh8G8UUWVnaEa",
      "url": "http://pleroma/users/full",
      "username": "full"
    }
  ],
  "muted": false,
  "pinned": false,
  "pleroma": {
    "bookmark_folder": null,
    "content": {
      "text/plain": "list"
    },
    "context": "http://pasture-one-actor/assets/note1.jsonap",
    "conversation_id": 1821429206,
    "direct_conversation_id": null,
    "emoji_reactions": [],
    "expires_at": null,
    "in_reply_to_account_acct": "actor@pasture-one-actor",
    "list_id": null,
    "local": false,
    "parent_visible": true,
    "pinned_at": null,
    "quote": null,
    "quote_id": null,
    "quote_url": null,
    "quote_visible": false,
    "quotes_count": 0,
    "spoiler_text": {
      "text/plain": ""
    },
    "thread_muted": false
  },
  "poll": null,
  "reblog": null,
  "reblogged": false,
  "reblogs_count": 0,
  "replies_count": 0,
  "sensitive": false,
  "spoiler_text": "",
  "tags": [],
  "text": null,
  "uri": "http://pasture-one-actor/object/TlrLOyjJfDU",
  "url": "http://pasture-one-actor/object/TlrLOyjJfDU",
  "visibility": "public"
}

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://pleroma/users/full",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/lBZnkm7VgjY",
  "published": "2025-10-04T15:29:55Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://pleroma/users/full"
    ],
    "id": "http://pasture-one-actor/object/aHuZkPxHTfA",
    "published": "2025-10-04T15:29:55Z",
    "content": "Link in inReplyTo",
    "inReplyTo": {
      "type": "Link",
      "href": "http://pasture-one-actor/assets/note1.jsonap"
    }
  }
}

no result

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://pleroma/users/full",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/uTSdukdVag4",
  "published": "2025-10-04T15:30:06Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://pleroma/users/full"
    ],
    "id": "http://pasture-one-actor/object/_2DAFcovb5I",
    "published": "2025-10-04T15:30:06Z",
    "content": "two elements in inReplyTo",
    "inReplyTo": [
      "http://pasture-one-actor/assets/note1.jsonap",
      "http://pasture-one-actor/assets/note2.jsonap"
    ]
  }
}

pleroma

{
  "account": {
    "acct": "actor@pasture-one-actor",
    "avatar": "http://pleroma/images/avi.png",
    "avatar_static": "http://pleroma/images/avi.png",
    "bot": false,
    "created_at": "2025-10-04T15:27:23.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
    "fqn": "actor@pasture-one-actor",
    "header": "http://pleroma/images/banner.png",
    "header_static": "http://pleroma/images/banner.png",
    "id": "AyryaDil1MdlzhybCK",
    "last_status_at": "2025-10-04",
    "locked": false,
    "note": "",
    "pleroma": {
      "accepts_chat_messages": null,
      "also_known_as": [],
      "ap_id": "http://pasture-one-actor/actor",
      "avatar_description": "",
      "background_image": null,
      "favicon": null,
      "header_description": "",
      "hide_favorites": true,
      "hide_followers": false,
      "hide_followers_count": false,
      "hide_follows": false,
      "hide_follows_count": false,
      "is_admin": false,
      "is_confirmed": true,
      "is_moderator": false,
      "is_suggested": false,
      "privileges": [],
      "relationship": {},
      "skip_thread_containment": false,
      "tags": []
    },
    "source": {
      "fields": [],
      "note": "",
      "pleroma": {
        "actor_type": "Person",
        "discoverable": false
      },
      "sensitive": false
    },
    "statuses_count": 54,
    "url": "http://pasture-one-actor/actor",
    "username": "actor"
  },
  "application": null,
  "bookmarked": false,
  "card": null,
  "content": "two elements in inReplyTo",
  "created_at": "2025-10-04T15:30:06.000Z",
  "edited_at": null,
  "emojis": [],
  "favourited": false,
  "favourites_count": 0,
  "id": "AyrypHCSMtll802zWS",
  "in_reply_to_account_id": "AyryaDil1MdlzhybCK",
  "in_reply_to_id": "Ayryo3cNNdLQiNacN6",
  "language": null,
  "media_attachments": [],
  "mentions": [
    {
      "acct": "full",
      "id": "AyrySeh8G8UUWVnaEa",
      "url": "http://pleroma/users/full",
      "username": "full"
    }
  ],
  "muted": false,
  "pinned": false,
  "pleroma": {
    "bookmark_folder": null,
    "content": {
      "text/plain": "two elements in inReplyTo"
    },
    "context": "http://pasture-one-actor/assets/note1.jsonap",
    "conversation_id": 1821429206,
    "direct_conversation_id": null,
    "emoji_reactions": [],
    "expires_at": null,
    "in_reply_to_account_acct": "actor@pasture-one-actor",
    "list_id": null,
    "local": false,
    "parent_visible": true,
    "pinned_at": null,
    "quote": null,
    "quote_id": null,
    "quote_url": null,
    "quote_visible": false,
    "quotes_count": 0,
    "spoiler_text": {
      "text/plain": ""
    },
    "thread_muted": false
  },
  "poll": null,
  "reblog": null,
  "reblogged": false,
  "reblogs_count": 0,
  "replies_count": 0,
  "sensitive": false,
  "spoiler_text": "",
  "tags": [],
  "text": null,
  "uri": "http://pasture-one-actor/object/_2DAFcovb5I",
  "url": "http://pasture-one-actor/object/_2DAFcovb5I",
  "visibility": "public"
}

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://pleroma/users/full",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/BJQ1N_D7SR8",
  "published": "2025-10-04T15:30:07Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://pleroma/users/full"
    ],
    "id": "http://pasture-one-actor/object/7MzphkWDSFo",
    "published": "2025-10-04T15:30:07Z",
    "content": "collection",
    "inReplyTo": {
      "type": "Collection",
      "items": [
        "http://pasture-one-actor/actor"
      ]
    }
  }
}

no result

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://pleroma/users/full",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/activity/6NmBTMqLTHE",
  "published": "2025-10-04T15:30:19Z",
  "object": {
    "type": "Note",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://pleroma/users/full"
    ],
    "id": "http://pasture-one-actor/object/EQ9AIsvtsPw",
    "published": "2025-10-04T15:30:19Z",
    "content": "embedded note",
    "inReplyTo": {
      "@context": "https://www.w3.org/ns/activitystreams",
      "type": "Note",
      "id": "http://pasture-one-actor/assets/note1.jsonap",
      "to": [
        "as:Public"
      ],
      "attributedTo": "http://pasture-one-actor/actor",
      "content": "One",
      "published": "2024-01-06T13:11:45Z"
    }
  }
}

pleroma

{
  "account": {
    "acct": "actor@pasture-one-actor",
    "avatar": "http://pleroma/images/avi.png",
    "avatar_static": "http://pleroma/images/avi.png",
    "bot": false,
    "created_at": "2025-10-04T15:27:23.000Z",
    "display_name": "Test Actor",
    "emojis": [],
    "fields": [],
    "followers_count": 0,
    "following_count": 0,
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