A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"ostatus": "http://ostatus.org#",
"atomUri": "ostatus:atomUri",
"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
"sensitive": "as:sensitive",
"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount",
"Hashtag": "as:Hashtag"
}
],
"id": "https://halo.nu/users/theguardian_science/statuses/114599303917304368",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-30T23:10:05Z",
"url": "https://halo.nu/@theguardian_science/114599303917304368",
"attributedTo": "https://halo.nu/users/theguardian_science",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://halo.nu/users/theguardian_science/followers"
],
"sensitive": false,
"atomUri": "https://halo.nu/users/theguardian_science/statuses/114599303917304368",
"inReplyToAtomUri": null,
"conversation": "tag:halo.nu,2025-05-30:objectId=416246:objectType=Conversation",
"content": "<p>‘Gift of life’: experts hail neck and head cancer breakthrough <a href=\"https://www.theguardian.com/society/2025/may/31/neck-and-head-cancer-breakthrough-drug-immunotherapy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">theguardian.com/society/2025/m</span><span class=\"invisible\">ay/31/neck-and-head-cancer-breakthrough-drug-immunotherapy</span></a> <a href=\"https://halo.nu/tags/Biochemistryandmolecularbiology\" class=\"mention hashtag\" rel=\"tag\">#<span>Biochemistryandmolecularbiology</span></a> <a href=\"https://halo.nu/tags/Medicalresearch\" class=\"mention hashtag\" rel=\"tag\">#<span>Medicalresearch</span></a> <a href=\"https://halo.nu/tags/Immunology\" class=\"mention hashtag\" rel=\"tag\">#<span>Immunology</span></a> <a href=\"https://halo.nu/tags/Chemistry\" class=\"mention hashtag\" rel=\"tag\">#<span>Chemistry</span></a> <a href=\"https://halo.nu/tags/Society\" class=\"mention hashtag\" rel=\"tag\">#<span>Society</span></a> <a href=\"https://halo.nu/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://halo.nu/tags/Biology\" class=\"mention hashtag\" rel=\"tag\">#<span>Biology</span></a> <a href=\"https://halo.nu/tags/Cancer\" class=\"mention hashtag\" rel=\"tag\">#<span>Cancer</span></a> <a href=\"https://halo.nu/tags/Health\" class=\"mention hashtag\" rel=\"tag\">#<span>Health</span></a></p>",
"contentMap": {
"en": "<p>‘Gift of life’: experts hail neck and head cancer breakthrough <a href=\"https://www.theguardian.com/society/2025/may/31/neck-and-head-cancer-breakthrough-drug-immunotherapy\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">theguardian.com/society/2025/m</span><span class=\"invisible\">ay/31/neck-and-head-cancer-breakthrough-drug-immunotherapy</span></a> <a href=\"https://halo.nu/tags/Biochemistryandmolecularbiology\" class=\"mention hashtag\" rel=\"tag\">#<span>Biochemistryandmolecularbiology</span></a> <a href=\"https://halo.nu/tags/Medicalresearch\" class=\"mention hashtag\" rel=\"tag\">#<span>Medicalresearch</span></a> <a href=\"https://halo.nu/tags/Immunology\" class=\"mention hashtag\" rel=\"tag\">#<span>Immunology</span></a> <a href=\"https://halo.nu/tags/Chemistry\" class=\"mention hashtag\" rel=\"tag\">#<span>Chemistry</span></a> <a href=\"https://halo.nu/tags/Society\" class=\"mention hashtag\" rel=\"tag\">#<span>Society</span></a> <a href=\"https://halo.nu/tags/Science\" class=\"mention hashtag\" rel=\"tag\">#<span>Science</span></a> <a href=\"https://halo.nu/tags/Biology\" class=\"mention hashtag\" rel=\"tag\">#<span>Biology</span></a> <a href=\"https://halo.nu/tags/Cancer\" class=\"mention hashtag\" rel=\"tag\">#<span>Cancer</span></a> <a href=\"https://halo.nu/tags/Health\" class=\"mention hashtag\" rel=\"tag\">#<span>Health</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://halo.nu/tags/biochemistryandmolecularbiology",
"name": "#biochemistryandmolecularbiology"
},
{
"type": "Hashtag",
"href": "https://halo.nu/tags/medicalresearch",
"name": "#medicalresearch"
},
{
"type": "Hashtag",
"href": "https://halo.nu/tags/immunology",
"name": "#immunology"
},
{
"type": "Hashtag",
"href": "https://halo.nu/tags/chemistry",
"name": "#chemistry"
},
{
"type": "Hashtag",
"href": "https://halo.nu/tags/society",
"name": "#society"
},
{
"type": "Hashtag",
"href": "https://halo.nu/tags/science",
"name": "#science"
},
{
"type": "Hashtag",
"href": "https://halo.nu/tags/biology",
"name": "#biology"
},
{
"type": "Hashtag",
"href": "https://halo.nu/tags/cancer",
"name": "#cancer"
},
{
"type": "Hashtag",
"href": "https://halo.nu/tags/health",
"name": "#health"
}
],
"replies": {
"id": "https://halo.nu/users/theguardian_science/statuses/114599303917304368/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://halo.nu/users/theguardian_science/statuses/114599303917304368/replies?only_other_accounts=true&page=true",
"partOf": "https://halo.nu/users/theguardian_science/statuses/114599303917304368/replies",
"items": []
}
}
}