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Activitypub

ActivityPub Actors API

Retrieve actor profile objects

Provider Profile APIs.io OpenAPI GitHub

This API exposes 1 operation across 1 path, and defines 4 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.

Requests are made against a single base URL, https://{domain}.

1 operations 1 paths 4 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Server
https://{domain}
Authentication
HTTP Bearer, API Key
Contact
W3C Social Web Working Group
License
W3C Document License
Resource Areas
1

Authentication & Security 2

ActivityPub Actors API declares 2 security schemes for authenticating requests. It accepts HTTP bearer tokens (BearerAuth). An API key is passed in the header as Signature (HTTPSignature).

  • BearerAuth — OAuth 2.0 bearer token for client-to-server authentication
  • HTTPSignature — HTTP Signatures (draft-cavage-http-signatures) for server-to-server authentication. The Signature header contains keyId, algorithm, headers, and signature fiel…

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.

Actors 1

Retrieve actor profile objects

GET
/users/{username}
Retrieve actor profile
getActor 1 param → 200404403

Schemas 4

The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are Actor (18 properties), ImageObject (5 properties), Error (2 properties). Each schema is shown below with its type and property counts.

ASContext
ActivityStreams 2.0 JSON-LD context
ImageObject
object
An ActivityStreams 2.0 Image object
5 properties
Actor
object
An ActivityPub Actor object representing an entity capable of performing activities. Actor types include Person, Application, Group, Organization, and Service.
18 properties 5 required
Error
object
2 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

activitypub-actors-api-openapi.yml Raw ↑
#Actors
← Back to A APIs
API Details
ID
activitypub:activitypub-actors-api
Server
https://{domain}
Provider
Activitypub
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This is an independent, third-party profile of ActivityPub Actors API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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