diff --git a/README.md b/README.md
index a2c37df2..66e46207 100644
--- a/README.md
+++ b/README.md
@@ -442,6 +442,26 @@ Some errors should be fixed during development however: for example error like `
  
 All following endpoint return `401` status code if the API Key is incorrect.
 
+#### GET /api/user_info
+
+Given the API Key, return user name and whether user is premium. 
+This endpoint could be used to validate the api key.
+
+Input:
+- `Authentication` header that contains the api key
+
+Output: if api key is correct, return a json with user name and whether user is premium, for example:
+
+```json
+{
+	"name": "John Wick",
+	"is_premium": false
+}
+```
+
+If api key is incorrect, return 401.
+
+
 #### GET /api/v2/alias/options
 
 User alias info and suggestion. Used by the first extension screen when user opens the extension.
diff --git a/app/api/__init__.py b/app/api/__init__.py
index 612893b0..268191e9 100644
--- a/app/api/__init__.py
+++ b/app/api/__init__.py
@@ -1 +1 @@
-from .views import alias_options, new_custom_alias, new_random_alias
+from .views import alias_options, new_custom_alias, new_random_alias, user_info
diff --git a/app/api/views/user_info.py b/app/api/views/user_info.py
new file mode 100644
index 00000000..e8a2dd94
--- /dev/null
+++ b/app/api/views/user_info.py
@@ -0,0 +1,22 @@
+from flask import jsonify, request, g
+from flask_cors import cross_origin
+from sqlalchemy import desc
+
+from app.api.base import api_bp, verify_api_key
+from app.config import EMAIL_DOMAIN
+from app.extensions import db
+from app.log import LOG
+from app.models import AliasUsedOn, GenEmail, User
+from app.utils import convert_to_id, random_word
+
+
+@api_bp.route("/user_info")
+@cross_origin()
+@verify_api_key
+def user_info():
+    """
+    Return user info given the api-key
+    """
+    user = g.user
+
+    return jsonify({"name": user.name, "is_premium": user.is_premium()})
diff --git a/tests/api/test_user_info.py b/tests/api/test_user_info.py
new file mode 100644
index 00000000..ffa96edf
--- /dev/null
+++ b/tests/api/test_user_info.py
@@ -0,0 +1,32 @@
+from flask import url_for
+
+from app.extensions import db
+from app.models import User, ApiKey, AliasUsedOn, GenEmail
+
+
+def test_success(flask_client):
+    user = User.create(
+        email="a@b.c", password="password", name="Test User", activated=True
+    )
+    db.session.commit()
+
+    # create api_key
+    api_key = ApiKey.create(user.id, "for test")
+    db.session.commit()
+
+    r = flask_client.get(
+        url_for("api.user_info"), headers={"Authentication": api_key.code}
+    )
+
+    assert r.status_code == 200
+    assert r.json == {"is_premium": False, "name": "Test User"}
+
+
+def test_wrong_api_key(flask_client):
+    r = flask_client.get(
+        url_for("api.user_info"), headers={"Authentication": "Invalid code"}
+    )
+
+    assert r.status_code == 401
+
+    assert r.json == {"error": "Wrong api key"}