diff --git a/README.md b/README.md
index c46e0c3..ee42e5e 100644
--- a/README.md
+++ b/README.md
@@ -132,10 +132,7 @@ console.log("Token Mint Address:", result.mint.toString());
 ```
 ### Create NFT Collection on 3Land
 ```typescript
-const optionsWithBase58: StoreInitOptions = {
-  privateKey: "",
-  isMainnet: true, // if false, collection will be created on devnet 3.land (dev.3.land)
-};
+const isDevnet = true; // (Optional) if not present TX takes place in Mainnet
 
  const collectionOpts: CreateCollectionOptions = {
     collectionName: "",
@@ -145,18 +142,16 @@ const optionsWithBase58: StoreInitOptions = {
   };
 
 const result = await agent.create3LandCollection(
-      optionsWithBase58,
-      collectionOpts
+      collectionOpts,
+      isDevnet, // (Optional) if not present TX takes place in Mainnet
     );
 ```
 
 ### Create NFT on 3Land
 When creating an NFT using 3Land's tool, it automatically goes for sale on 3.land website
 ```typescript
-const optionsWithBase58: StoreInitOptions = {
-  privateKey: "",
-  isMainnet: true, // if false, listing will be on devnet 3.land (dev.3.land)
-};
+const isDevnet = true; // (Optional) if not present TX takes place in Mainnet
+
 const collectionAccount = ""; //hash for the collection
 const createItemOptions: CreateSingleOptions = {
   itemName: "",
@@ -171,12 +166,10 @@ const createItemOptions: CreateSingleOptions = {
   mainImageUrl: "",
   splHash: "", //present if listing is on a specific SPL token, if not present sale will be on $SOL
 };
-const isMainnet = true;
 const result = await agent.create3LandNft(
-  optionsWithBase58,
   collectionAccount,
   createItemOptions,
-  isMainnet
+  isDevnet, // (Optional) if not present TX takes place in Mainnet
 );
 
 ```
diff --git a/src/agent/index.ts b/src/agent/index.ts
index 07cb294..e5fda5b 100644
--- a/src/agent/index.ts
+++ b/src/agent/index.ts
@@ -574,24 +574,41 @@ export class SolanaAgentKit {
   }
 
   async create3LandCollection(
-    optionsWithBase58: StoreInitOptions,
     collectionOpts: CreateCollectionOptions,
+    isDevnet: boolean = false,
   ): Promise<string> {
+    let optionsWithBase58: StoreInitOptions = {
+      privateKey: this.wallet.secretKey,
+    };
+    if (isDevnet) {
+      optionsWithBase58.isMainnet = false;
+    } else {
+      optionsWithBase58.isMainnet = true;
+    }
+
     const tx = await createCollection(optionsWithBase58, collectionOpts);
     return `Transaction: ${tx}`;
   }
 
   async create3LandNft(
-    optionsWithBase58: StoreInitOptions,
     collectionAccount: string,
     createItemOptions: CreateSingleOptions,
-    isMainnet: boolean,
+    isDevnet: boolean = false,
   ): Promise<string> {
+    let optionsWithBase58: StoreInitOptions = {
+      privateKey: this.wallet.secretKey,
+    };
+    if (isDevnet) {
+      optionsWithBase58.isMainnet = false;
+    } else {
+      optionsWithBase58.isMainnet = true;
+    }
+
     const tx = await createSingle(
       optionsWithBase58,
       collectionAccount,
       createItemOptions,
-      isMainnet,
+      !isDevnet,
     );
     return `Transaction: ${tx}`;
   }
diff --git a/test/tools/3land.ts b/test/tools/3land.ts
index aadc634..b482312 100644
--- a/test/tools/3land.ts
+++ b/test/tools/3land.ts
@@ -13,10 +13,7 @@ const agent = new SolanaAgentKit(
   { OPENAI_API_KEY: process.env.OPENAI_API_KEY! },
 );
 
-const optionsWithBase58: StoreInitOptions = {
-  privateKey: process.env.SOLANA_PRIVATE_KEY!,
-  isMainnet: false,
-};
+const isDevnet = true;
 
 /****************************** CREATING COLLECTION ******************************** */
 
@@ -29,8 +26,8 @@ const collectionOpts: CreateCollectionOptions = {
 
 (async () => {
   const collection = await agent.create3LandCollection(
-    optionsWithBase58,
     collectionOpts,
+    isDevnet,
   );
 
   console.log("collection: ", collection);
@@ -49,13 +46,11 @@ const createItemOptions: CreateSingleOptions = {
   mainImageUrl: "",
 };
 
-const isMainnet = false;
 (async () => {
   const result = agent.create3LandNft(
-    optionsWithBase58,
     collectionAccount,
     createItemOptions,
-    isMainnet,
+    isDevnet,
   );
   console.log("result: ", result);
 })();