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phenomena | Update
Jan 16, 2026

We add supports local actor types
Person, Application, and Service, along with Note, Article, and Image
objects and basic activity types (Create, Update, Delete, Follow, Undo,
Like, Announce).
ActivityPub endpoints

POST /oauth/token
GET /.well-known/webfinger
GET /.well-known/nodeinfo
GET /nodeinfo/2.0
GET /users/:username
GET /users/:username/outbox
POST /users/:username/outbox
POST /users/:username/media
POST /users/:username/inbox
POST /inbox
GET /users/:username/followers
GET /users/:username/following
GET /objects/:id
GET /activities/:id

C2S example
curl -X POST http://localhost:4000/users/alice/outbox \
  -H "content-type: application/activity+json" \
  -H "authorization: Bearer ACCESS_TOKEN" \
  -d '{"type":"Note","content":"Hello ActivityPub!", \
     "to":["https://www.w3.org/ns/activitystreams#Public"]}'

Outbox image upload
curl -X POST http://localhost:4000/users/alice/outbox \
  -H "authorization: Bearer ACCESS_TOKEN" \
  -F "file=@/path/to/image.png" \
  -F "to=https://www.w3.org/ns/activitystreams#Public"

Media upload example
curl -X POST http://localhost:4000/users/alice/media \
  -H "authorization: Bearer ACCESS_TOKEN" \
  -F "file=@/path/to/image.png"

Use the returned url and mediaType when creating an Image object in the outbox.
Collection pagination
Outbox, followers, and following collections return an OrderedCollection
with first and last links by default. Add ?page=1 (or ?page=true) to
receive an OrderedCollectionPage response.