diff --git a/src/fetchers/opensea.js b/src/fetchers/opensea.js
index dcba2f9..2efd7f7 100644
--- a/src/fetchers/opensea.js
+++ b/src/fetchers/opensea.js
@@ -37,12 +37,36 @@ const getOSNetworkName = (chainId) => {
       return "base";
     case 7777777:
       return "zora";
+    case 11155111:
+      return "sepolia";
+    case 80001:
+      return "mumbai";
+    case 84531:
+      return "base_goerli";
+    case 999:
+      return "zora_testnet";
   }
 };
 
+const isOSTestnet = (chainId) => {
+  switch (chainId) {
+    case 4:
+    case 5:
+    case 11155111:
+    case 80001:
+    case 84531:
+    case 999:
+      return true;
+  }
+
+  return false;
+};
+
 const getUrlForApi = (api, chainId, contract, tokenId, network, slug) => {
   const baseUrl = `${
-    ![4, 5].includes(chainId) ? "https://api.opensea.io" : "https://testnets-api.opensea.io"
+    !isOSTestnet(chainId)
+      ? "https://api.opensea.io"
+      : "https://testnets-api.opensea.io"
   }`;
 
   switch (api) {
@@ -64,7 +88,8 @@ const getUrlForApi = (api, chainId, contract, tokenId, network, slug) => {
 const getOSData = async (api, chainId, contract, tokenId, slug) => {
   const network = getOSNetworkName(chainId);
   const url = getUrlForApi(api, chainId, contract, tokenId, network, slug);
-  const headers = ![4, 5].includes(chainId)
+
+  const headers = !isOSTestnet(chainId)
     ? {
         url,
         "X-API-KEY": apiKey,
@@ -76,7 +101,7 @@ const getOSData = async (api, chainId, contract, tokenId, slug) => {
 
   try {
     const osResponse = await axios.get(
-      ![4, 5].includes(chainId) ? process.env.OPENSEA_BASE_URL_ALT || url : url,
+      !isOSTestnet(chainId) ? process.env.OPENSEA_BASE_URL_ALT || url : url,
       { headers }
     );
 
@@ -148,19 +173,6 @@ export const fetchCollection = async (chainId, { contract, tokenId }) => {
     let data;
     let creatorAddress;
 
-    if (chainId === 43114) {
-      logger.info(
-        "opensea-fetcher",
-        JSON.stringify({
-          topic: "fetchCollectionDebug",
-          message: `Collection metadata start. contract=${contract}, tokenId=${tokenId}`,
-          contract,
-          tokenId,
-          data,
-        })
-      );
-    }
-
     if (chainId === 1) {
       data = await getOSData("asset", chainId, contract, tokenId);
       creatorAddress = data?.creator?.address;
@@ -185,19 +197,6 @@ export const fetchCollection = async (chainId, { contract, tokenId }) => {
       }
     }
 
-    if (chainId === 43114) {
-      logger.info(
-        "opensea-fetcher",
-        JSON.stringify({
-          topic: "fetchCollectionDebug",
-          message: `Collection metadata debug. contract=${contract}, tokenId=${tokenId}`,
-          contract,
-          tokenId,
-          data,
-        })
-      );
-    }
-
     if (!data?.collection) {
       throw new Error("Missing collection");
     }
@@ -315,12 +314,12 @@ export const fetchTokens = async (chainId, tokens) => {
   }
 
   const url = `${
-    ![4, 5].includes(chainId) ? "https://api.opensea.io" : "https://testnets-api.opensea.io"
+    !isOSTestnet(chainId) ? "https://api.opensea.io" : "https://testnets-api.opensea.io"
   }/api/v1/assets?${searchParams.toString()}`;
 
   const data = await axios
-    .get(![4, 5].includes(chainId) ? process.env.OPENSEA_BASE_URL_ALT || url : url, {
-      headers: ![4, 5].includes(chainId)
+    .get(!isOSTestnet(chainId) ? process.env.OPENSEA_BASE_URL_ALT || url : url, {
+      headers: !isOSTestnet(chainId)
         ? {
             url,
             "X-API-KEY": process.env.OPENSEA_API_KEY.trim(),
diff --git a/src/shared/utils.js b/src/shared/utils.js
index 186c948..607d0ef 100644
--- a/src/shared/utils.js
+++ b/src/shared/utils.js
@@ -38,7 +38,7 @@ export const normalizeMetadata = (collection) => {
       key: "twitterUsername",
       normalize: (value) => {
         // if the value is a url, return the username
-        if (value.includes("twitter.com")) {
+        if (value?.includes("twitter.com")) {
           return value.split("/")[3];
         }
 
@@ -48,7 +48,7 @@ export const normalizeMetadata = (collection) => {
     twitter: {
       key: "twitterUrl",
       normalize: (value) => {
-        if (value.includes("twitter.com")) {
+        if (value?.includes("twitter.com")) {
           return value;
         }
         // if the value is a username, return the url
@@ -58,7 +58,7 @@ export const normalizeMetadata = (collection) => {
     telegram: {
       key: "telegramUrl",
       normalize: (value) => {
-        if (value.includes("t.me")) {
+        if (value?.includes("t.me")) {
           return value;
         }
 
@@ -68,7 +68,7 @@ export const normalizeMetadata = (collection) => {
     instagram: {
       key: "instagramUrl",
       normalize: (value) => {
-        if (value.includes("instagram.com")) {
+        if (value?.includes("instagram.com")) {
           return value;
         }
       },