diff --git a/src/BatchScript.sol b/src/BatchScript.sol
index feb7fe7..80e4f29 100644
--- a/src/BatchScript.sol
+++ b/src/BatchScript.sol
@@ -153,6 +153,9 @@ abstract contract BatchScript is Script, DelegatePrank {
         } else if (chainId == 43114) {
             SAFE_API_BASE_URL = "https://safe-transaction-avalanche.safe.global/api/v1/safes/";
             SAFE_MULTISEND_ADDRESS = 0xA238CBeb142c10Ef7Ad8442C6D1f9E89e07e7761;
+        } else if (chainId == 81457) {
+            SAFE_API_BASE_URL = "https://transaction.blast-safe.io/api/v1/safes/";
+            SAFE_MULTISEND_ADDRESS = 0xA238CBeb142c10Ef7Ad8442C6D1f9E89e07e7761;
         } else {
             revert("Unsupported chain");
         }