diff --git a/v1/data/addresses.json b/v1/data/addresses.json
index b78c7b76..4eaac336 100644
--- a/v1/data/addresses.json
+++ b/v1/data/addresses.json
@@ -81,6 +81,16 @@
       "zetaToken": "0x5F0b1a82749cb4E2278EC87F8BF6B618dC71a8bf",
       "zetaTokenConsumerUniV2": "",
       "zetaTokenConsumerUniV3": ""
+    },
+    "base_testnet": {
+      "connector": "0xc0B74d761ef4EC9e9473f65687d36B9F13DB0dCc",
+      "immutableCreate2Factory": "0x095a03c6a68137fE9a566bBc3e552F299d8b886d",
+      "erc20Custody": "0x3A1f7b35EF57543B4e86c384eF6a368Ed811a36E",
+      "tss": "0x8531a5aB847ff5B22D855633C25ED1DA3255247e",
+      "tssUpdater": "0xdE3fb63723f0EEed8967ff9124e1c3bA89871b03",
+      "zetaToken": "0xf4e63991E7475b659bd97Bba85f32a7259239D5d",
+      "zetaTokenConsumerUniV2": "",
+      "zetaTokenConsumerUniV3": ""
     }
   },
   "non_zeta": {
diff --git a/v1/data/addresses.testnet.json b/v1/data/addresses.testnet.json
index f75c2719..95ab606f 100644
--- a/v1/data/addresses.testnet.json
+++ b/v1/data/addresses.testnet.json
@@ -380,5 +380,40 @@
     "chain_id": 11155111,
     "chain_name": "sepolia_testnet",
     "type": "zetaTokenConsumerUniV3"
+  },
+  {
+    "address": "0x8531a5aB847ff5B22D855633C25ED1DA3255247e",
+    "category": "omnichain",
+    "chain_id": 84532,
+    "chain_name": "base_testnet",
+    "type": "tss"
+  },
+  {
+    "address": "0xdE3fb63723f0EEed8967ff9124e1c3bA89871b03",
+    "category": "omnichain",
+    "chain_id": 84532,
+    "chain_name": "base_testnet",
+    "type": "tssUpdater"
+  },
+  {
+    "address": "0xf4e63991E7475b659bd97Bba85f32a7259239D5d",
+    "category": "messaging",
+    "chain_id": 84532,
+    "chain_name": "base_testnet",
+    "type": "zetaToken"
+  },
+  {
+    "address": "0x3A1f7b35EF57543B4e86c384eF6a368Ed811a36E",
+    "category": "omnichain",
+    "chain_id": 84532,
+    "chain_name": "base_testnet",
+    "type": "erc20Custody"
+  },
+  {
+    "address": "0xc0B74d761ef4EC9e9473f65687d36B9F13DB0dCc",
+    "category": "messaging",
+    "chain_id": 84532,
+    "chain_name": "base_testnet",
+    "type": "connector"
   }
 ]
diff --git a/v1/hardhat.config.ts b/v1/hardhat.config.ts
index 864adeb3..d98a278d 100644
--- a/v1/hardhat.config.ts
+++ b/v1/hardhat.config.ts
@@ -20,6 +20,7 @@ const config: HardhatUserConfig = {
   etherscan: {
     apiKey: {
       amoy_testnet: process.env.POLYGONSCAN_API_KEY || "",
+      base_testnet: process.env.BASESCAN_API_KEY || "",
       // BSC
       bsc: process.env.BSCSCAN_API_KEY || "",
 
@@ -38,6 +39,14 @@ const config: HardhatUserConfig = {
           browserURL: "https://amoy.polygonscan.com",
         },
       },
+      {
+        chainId: 84532,
+        network: "base_testnet",
+        urls: {
+          apiURL: "https://api-sepolia.basescan.org/api",
+          browserURL: "https://sepolia.basescan.org/",
+        },
+      },
     ],
   },
   networks: {
diff --git a/v1/lib/address.tools.ts b/v1/lib/address.tools.ts
index 467cd28e..2de148e3 100644
--- a/v1/lib/address.tools.ts
+++ b/v1/lib/address.tools.ts
@@ -35,6 +35,7 @@ export declare type ZetaProtocolTestNetwork =
   | "bsc_testnet"
   | "btc_testnet"
   | "sepolia_testnet"
+  | "base_testnet"
   | "zeta_testnet";
 
 export const zetaProtocolTestNetworks: ZetaProtocolTestNetwork[] = [
@@ -42,6 +43,7 @@ export const zetaProtocolTestNetworks: ZetaProtocolTestNetwork[] = [
   "bsc_testnet",
   "btc_testnet",
   "sepolia_testnet",
+  "base_testnet",
   "zeta_testnet",
 ];
 
diff --git a/v1/lib/contracts.constants.ts b/v1/lib/contracts.constants.ts
index bb689f57..bdfa6066 100644
--- a/v1/lib/contracts.constants.ts
+++ b/v1/lib/contracts.constants.ts
@@ -66,6 +66,12 @@ const SALT_NUMBERS = {
     zetaERC20Custody: "195084",
     zetaToken: "29265",
   },
+  base_testnet: {
+    zetaConnector: "0",
+    zetaConsumer: "0",
+    zetaERC20Custody: "0",
+    zetaToken: "0",
+  }
 };
 
 export const getSaltNumber = (contractName: string, networkName: string) => {