diff --git a/package.json b/package.json
index 879f9f897..bef1d9590 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "opensea-js",
-  "version": "7.1.15",
+  "version": "7.1.16",
   "description": "TypeScript SDK for the OpenSea marketplace helps developers build new experiences using NFTs and our marketplace data",
   "license": "MIT",
   "author": "OpenSea Developers",
diff --git a/src/types.ts b/src/types.ts
index 52aa7207c..10dfbf643 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -127,7 +127,7 @@ export enum Chain {
   B3 = "b3",
   /** Bera Chain */
   BeraChain = "bera_chain",
-
+  ApeChain = "ape_chain",
   // Testnet Chains
   // ⚠️NOTE: When adding to this list, also add to the util function `isTestChain`
   /** Sepolia */
@@ -154,6 +154,8 @@ export enum Chain {
   SeiTestnet = "sei_testnet",
   /** B3 Sepolia */
   B3Sepolia = "b3_sepolia",
+  /** Flow Testnet */
+  FlowTestnet = "flow_testnet",
 }
 
 /**
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index 2d7669943..1e965a385 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -218,6 +218,10 @@ export const getChainId = (chain: Chain) => {
       return "1993";
     case Chain.BeraChain:
       return "80094";
+    case Chain.FlowTestnet:
+      return "545";
+    case Chain.ApeChain:
+      return "33139";
     default:
       throw new Error(`Unknown chainId for ${chain}`);
   }
@@ -267,6 +271,10 @@ export const getWETHAddress = (chain: Chain) => {
       return "0xe30fedd158a2e3b13e9badaeabafc5516e95e8c7";
     case Chain.SeiTestnet:
       return "0x3921ea6cf927be80211bb57f19830700285b0ada";
+    case Chain.FlowTestnet:
+      return "0x23b1864b73c6E7Cd6D90bDFa3E62B159eBDdbAb3";
+    case Chain.ApeChain:
+      return "0x48b62137edfa95a428d35c09e44256a739f6b557";
     default:
       throw new Error(`Unknown WETH address for ${chain}`);
   }
@@ -332,6 +340,7 @@ export const isTestChain = (chain: Chain): boolean => {
     case Chain.ZoraSepolia:
     case Chain.SeiTestnet:
     case Chain.B3Sepolia:
+    case Chain.FlowTestnet:
       return true;
     default:
       return false;