diff --git a/kubernetes/bananobot/deployment.yaml b/kubernetes/bananobot/deployment.yaml
index 9a7155d..97719b8 100644
--- a/kubernetes/bananobot/deployment.yaml
+++ b/kubernetes/bananobot/deployment.yaml
@@ -62,6 +62,11 @@ spec:
               secretKeyRef:
                 name: bananobot
                 key: wallet_id
+          - name: API_KEY
+            valueFrom:
+              secretKeyRef:
+                name: bananobot
+                key: api_key
         volumeMounts:
         - name: conf
           mountPath: /config
diff --git a/kubernetes/bananobot/ingress.yaml b/kubernetes/bananobot/ingress.yaml
index d08ead6..751c1e0 100644
--- a/kubernetes/bananobot/ingress.yaml
+++ b/kubernetes/bananobot/ingress.yaml
@@ -6,6 +6,10 @@ metadata:
   annotations:
     kubernetes.io/ingress.class: "nginx"
     cert-manager.io/cluster-issuer: "letsencrypt-prod"
+    nginx.ingress.kubernetes.io/configuration-snippet: |
+      location = /callback {
+        return 403;
+      }
 spec:
   tls:
     - hosts:
diff --git a/kubernetes/graham_banano/deployment.yaml b/kubernetes/graham_banano/deployment.yaml
index 4957821..b9b2a22 100644
--- a/kubernetes/graham_banano/deployment.yaml
+++ b/kubernetes/graham_banano/deployment.yaml
@@ -59,6 +59,11 @@ spec:
               secretKeyRef:
                 name: graham-banano
                 key: wallet_id
+          - name: API_KEY
+            valueFrom:
+              secretKeyRef:
+                name: graham-banano
+                key: api_key
         volumeMounts:
         - name: conf
           mountPath: /config
diff --git a/kubernetes/graham_banano/ingress.yaml b/kubernetes/graham_banano/ingress.yaml
index 8182d97..4f1ddc3 100644
--- a/kubernetes/graham_banano/ingress.yaml
+++ b/kubernetes/graham_banano/ingress.yaml
@@ -6,6 +6,10 @@ metadata:
   annotations:
     kubernetes.io/ingress.class: "nginx"
     cert-manager.io/cluster-issuer: "letsencrypt-prod"
+    nginx.ingress.kubernetes.io/configuration-snippet: |
+      location = /callback {
+        return 403;
+      }
 spec:
   tls:
     - hosts:
diff --git a/kubernetes/nano/deployment.yaml b/kubernetes/nano/deployment.yaml
index c96f751..d764e0c 100644
--- a/kubernetes/nano/deployment.yaml
+++ b/kubernetes/nano/deployment.yaml
@@ -60,6 +60,11 @@ spec:
               secretKeyRef:
                 name: graham-nano
                 key: wallet_id
+          - name: API_KEY
+            valueFrom:
+              secretKeyRef:
+                name: graham-nano
+                key: api_key
         volumeMounts:
         - name: conf
           mountPath: /config
diff --git a/kubernetes/nano/ingress.yaml b/kubernetes/nano/ingress.yaml
index e7a5fd0..610e6f9 100644
--- a/kubernetes/nano/ingress.yaml
+++ b/kubernetes/nano/ingress.yaml
@@ -6,6 +6,10 @@ metadata:
   annotations:
     kubernetes.io/ingress.class: "nginx"
     cert-manager.io/cluster-issuer: "letsencrypt-prod"
+    nginx.ingress.kubernetes.io/configuration-snippet: |
+      location = /callback {
+        return 403;
+      }
 spec:
   tls:
     - hosts:
diff --git a/server.py b/server.py
index 4ef0c27..c1a6fea 100644
--- a/server.py
+++ b/server.py
@@ -13,6 +13,7 @@
 import rapidjson as json
 import string
 import random
+import os
 from typing import List
 from db.models.transaction import Transaction
 
@@ -50,6 +51,17 @@ def format_js_iso(self, date: datetime.datetime) -> str:
 
     async def get_active(self, request: web.Request) -> List[User]:
         """Return a list of active users"""
+        # Retrieve the API_KEY from environment variables
+        api_key = os.getenv('API_KEY')
+        
+        # Get the Authorization header from the request
+        auth_header = request.headers.get('Authorization')
+        
+        # Check if the Authorization header is present and matches the API_KEY
+        if not auth_header or auth_header != api_key:
+            # If not, return an HTTP 401 Unauthorized response
+            raise web.HTTPUnauthorized(reason="Invalid or missing API key.")
+
         redis = await RedisDB.instance().get_redis()
 
         if 'server_id' not in request.match_info:
@@ -100,6 +112,15 @@ async def get_active(self, request: web.Request) -> List[User]:
     async def ufw(self, request: web.Request):
         """Return user info for specified wallet addresses
           e.g. http://server/wfu/ban_16n5c7qozokx661rneikh6e3mf978mc46qqjen7a51pwzood155bwrha6sfj+ban_37z6omyukgpgttq7bdagweaxdrdm5wjy7tdm97ggtkobdetme3bmhfayjowj"""
+        api_key = os.getenv('API_KEY')
+        
+        # Get the Authorization header from the request
+        auth_header = request.headers.get('Authorization')
+        
+        # Check if the Authorization header is present and matches the API_KEY
+        if not auth_header or auth_header != api_key:
+            # If not, return an HTTP 401 Unauthorized response
+            raise web.HTTPUnauthorized(reason="Invalid or missing API key.")
         if 'wallet' not in request.match_info:
             return web.HTTPBadRequest(reason="wallet is required")
         try:
@@ -130,6 +151,15 @@ async def ufw(self, request: web.Request):
     async def wfu(self, request: web.Request):
         """Return user info for specified discord IDs
           e.g. http://server/wfu/303599885800964097+412286270694359052"""
+        api_key = os.getenv('API_KEY')
+        
+        # Get the Authorization header from the request
+        auth_header = request.headers.get('Authorization')
+        
+        # Check if the Authorization header is present and matches the API_KEY
+        if not auth_header or auth_header != api_key:
+            # If not, return an HTTP 401 Unauthorized response
+            raise web.HTTPUnauthorized(reason="Invalid or missing API key.")
         if 'user' not in request.match_info:
             return web.HTTPBadRequest(reason="user(s) is required")
         user_ids = []
@@ -161,6 +191,15 @@ async def wfu(self, request: web.Request):
         )
 
     async def users(self, request: web.Request):
+        api_key = os.getenv('API_KEY')
+        
+        # Get the Authorization header from the request
+        auth_header = request.headers.get('Authorization')
+        
+        # Check if the Authorization header is present and matches the API_KEY
+        if not auth_header or auth_header != api_key:
+            # If not, return an HTTP 401 Unauthorized response
+            raise web.HTTPUnauthorized(reason="Invalid or missing API key.")
         cached = await RedisDB.instance().get("apiuserscache")
         if cached is not None:
             return web.json_response(