diff --git a/api/index.js b/api/index.js
index 68c34e0..87da679 100644
--- a/api/index.js
+++ b/api/index.js
@@ -8,6 +8,7 @@ const {
 } = require("../src/common/utils");
 const fetchStats = require("../src/fetchers/stats-fetcher");
 const renderStatsCard = require("../src/cards/stats-card");
+const blacklist = require("../src/common/blacklist");
 
 module.exports = async (req, res) => {
   const {
@@ -31,6 +32,10 @@ module.exports = async (req, res) => {
 
   res.setHeader("Content-Type", "image/svg+xml");
 
+  if (blacklist.includes(username)) {
+    return res.send(renderError("Something went wrong"));
+  }
+
   try {
     stats = await fetchStats(
       username,
diff --git a/api/pin.js b/api/pin.js
index 3fc5058..c09b2d6 100644
--- a/api/pin.js
+++ b/api/pin.js
@@ -7,6 +7,7 @@ const {
 } = require("../src/common/utils");
 const fetchRepo = require("../src/fetchers/repo-fetcher");
 const renderRepoCard = require("../src/cards/repo-card");
+const blacklist = require("../src/common/blacklist");
 
 module.exports = async (req, res) => {
   const {
@@ -25,6 +26,10 @@ module.exports = async (req, res) => {
 
   res.setHeader("Content-Type", "image/svg+xml");
 
+  if (blacklist.includes(username)) {
+    return res.send(renderError("Something went wrong"));
+  }
+
   try {
     repoData = await fetchRepo(username, repo);
 
diff --git a/api/top-langs.js b/api/top-langs.js
index 8950158..9810c52 100644
--- a/api/top-langs.js
+++ b/api/top-langs.js
@@ -8,6 +8,7 @@ const {
 } = require("../src/common/utils");
 const fetchTopLanguages = require("../src/fetchers/top-languages-fetcher");
 const renderTopLanguages = require("../src/cards/top-languages-card");
+const blacklist = require("../src/common/blacklist");
 
 module.exports = async (req, res) => {
   const {
@@ -27,6 +28,10 @@ module.exports = async (req, res) => {
 
   res.setHeader("Content-Type", "image/svg+xml");
 
+  if (blacklist.includes(username)) {
+    return res.send(renderError("Something went wrong"));
+  }
+
   try {
     topLangs = await fetchTopLanguages(username);
 
diff --git a/src/common/blacklist.js b/src/common/blacklist.js
new file mode 100644
index 0000000..3ef635c
--- /dev/null
+++ b/src/common/blacklist.js
@@ -0,0 +1,3 @@
+const blacklist = ["renovate-bot", "technote-space", "sw-yx"];
+
+module.exports = blacklist;