generated: '2026-07-11' method: derived source: openapi/activitypub-openapi.yml summary: types: - apiKey - http api_key_in: - header schemes: - name: BearerAuth type: http scheme: bearer description: OAuth 2.0 bearer token for client-to-server authentication sources: - openapi/activitypub-openapi.yml - name: HTTPSignature type: apiKey in: header parameter: Signature description: HTTP Signatures (draft-cavage-http-signatures) for server-to-server authentication. The Signature header contains keyId, algorithm, headers, and signature fields. sources: - openapi/activitypub-openapi.yml