diff --git a/src/plugins/oSnap/constants.ts b/src/plugins/oSnap/constants.ts
index 6dfd37c8..99991caf 100644
--- a/src/plugins/oSnap/constants.ts
+++ b/src/plugins/oSnap/constants.ts
@@ -1105,7 +1105,8 @@ export const EXPLORER_API_URLS = {
   '246': 'https://explorer.energyweb.org/api',
   '137': 'https://api.polygonscan.com/api',
   '56': 'https://api.bscscan.com/api',
-  '42161': 'https://api.arbiscan.io/api'
+  '42161': 'https://api.arbiscan.io/api',
+  // '1116': Add 'https://openapi.coredao.org/api' if API key requirement is removed
 } as const;
 
 export const GNOSIS_SAFE_TRANSACTION_API_URLS = {
@@ -1116,7 +1117,20 @@ export const GNOSIS_SAFE_TRANSACTION_API_URLS = {
   '246': 'https://safe-transaction-ewc.safe.global/api',
   '137': 'https://safe-transaction-polygon.safe.global/api',
   '56': 'https://safe-transaction-bsc.safe.global/api',
-  '42161': 'https://safe-transaction-arbitrum.safe.global/api'
+  '42161': 'https://safe-transaction-arbitrum.safe.global/api',
+  // '1116': Add when public tx service is available for Core
+} as const;
+
+export const SAFE_APP_URLS = {
+  '1': 'https://app.safe.global/apps/open',
+  '5': 'https://app.safe.global/apps/open',
+  '100': 'https://app.safe.global/apps/open',
+  '73799': 'https://app.safe.global/apps/open',
+  '246': 'https://app.safe.global/apps/open',
+  '137': 'https://app.safe.global/apps/open',
+  '56': 'https://app.safe.global/apps/open',
+  '42161': 'https://app.safe.global/apps/open',
+  '1116': 'https://safe.coredao.org/apps/open'
 } as const;
 
 // ABIs
diff --git a/src/plugins/oSnap/utils/getters.ts b/src/plugins/oSnap/utils/getters.ts
index b03912c3..dc4f31db 100644
--- a/src/plugins/oSnap/utils/getters.ts
+++ b/src/plugins/oSnap/utils/getters.ts
@@ -14,6 +14,7 @@ import {
   GNOSIS_SAFE_TRANSACTION_API_URLS,
   OPTIMISTIC_GOVERNOR_ABI,
   OPTIMISTIC_ORACLE_V3_ABI,
+  SAFE_APP_URLS,
   contractData,
   safePrefixes,
   solidityZeroHexString
@@ -247,9 +248,9 @@ export function makeConfigureOsnapUrl(params: {
     network,
     spaceName,
     spaceUrl,
-    baseUrl = 'https://app.safe.global/apps/open',
     appUrl = 'https://osnap.uma.xyz/'
   } = params;
+  const baseUrl = params.baseUrl ?? SAFE_APP_URLS[network] ?? 'https://app.safe.global/apps/open';
   const safeAddressPrefix = getSafeNetworkPrefix(network);
   const appUrlSearchParams = new URLSearchParams();
   appUrlSearchParams.set('spaceName', spaceName);
diff --git a/src/plugins/safeSnap/constants.ts b/src/plugins/safeSnap/constants.ts
index a19b226e..0f995e8e 100644
--- a/src/plugins/safeSnap/constants.ts
+++ b/src/plugins/safeSnap/constants.ts
@@ -30,7 +30,8 @@ export const EXPLORER_API_URLS = {
   '246': 'https://explorer.energyweb.org/api',
   '137': 'https://api.polygonscan.com/api',
   '56': 'https://api.bscscan.com/api',
-  '42161': 'https://api.arbiscan.io/api'
+  '42161': 'https://api.arbiscan.io/api',
+  // '1116': Add 'https://openapi.coredao.org/api' if API key requirement is removed
 };
 
 export const GNOSIS_SAFE_TRANSACTION_API_URLS = {
@@ -41,7 +42,8 @@ export const GNOSIS_SAFE_TRANSACTION_API_URLS = {
   '246': 'https://safe-transaction-ewc.safe.global/api',
   '137': 'https://safe-transaction-polygon.safe.global/api',
   '56': 'https://safe-transaction-bsc.safe.global/api',
-  '42161': 'https://safe-transaction-arbitrum.safe.global/api'
+  '42161': 'https://safe-transaction-arbitrum.safe.global/api',
+  // '1116': // Add when public tx service is available for Core
 };
 
 // ABIs