diff --git a/app/main.py b/app/main.py
index 377f026..7915e3b 100644
--- a/app/main.py
+++ b/app/main.py
@@ -50,8 +50,27 @@ class ActivityPubResponse(JSONResponse):
     media_type = "application/activity+json"
 
 
+def is_ap_requested(req: Request) -> bool:
+    accept_value = req.headers.get("accept")
+    if not accept_value:
+        return False
+    for i in {
+        "application/activity+json",
+        "application/ld+json",
+    }:
+        if accept_value.startswith(i):
+            return True
+
+    return False
+
+
 @app.get("/")
-async def index():
+async def index(
+        request: Request
+):
+    if is_ap_requested(request):
+        return ActivityPubResponse(ME)
+
     return ME
 
 @app.post("/inbox")
diff --git a/tests/test_main.py b/tests/test_main.py
index dd3ad30..5fcb45a 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -1,10 +1,26 @@
 #!/usr/bin/env python3
+import pytest
 from fastapi.testclient import TestClient
 from sqlalchemy.orm import Session
+from app import activitypub as ap
+from app.config import AP_CONTENT_TYPE
 
 
+_ACCEPTED_AP_HEADERS = [
+    "application/activity+json",
+    "application/activity+json; charset=utf-8",
+    "application/ld+json",
+    'application/ld+json; profile="https://www.w3.org/ns/activitystreams"',
+]
 
 def test_index__html(client: TestClient):
     response = client.get("/")
     assert response.status_code == 200
-    # assert response.headers["content-type"].startswith("text/html")
+    assert response.headers["content-type"] == "application/json"
+
+@pytest.mark.parametrize("accept", _ACCEPTED_AP_HEADERS)
+def test_index__ap(db: Session, client: TestClient, accept: str):
+    response = client.get("/", headers={"Accept": accept})
+    assert response.status_code == 200
+    assert response.headers["content-type"] == AP_CONTENT_TYPE
+    assert response.json() == ap.ME