diff --git a/package-lock.json b/package-lock.json
index 605976f..06759cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,22 +1,23 @@
 {
   "name": "@imagination-media/magento-api-rest",
-  "version": "3.0.6",
+  "version": "3.0.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@imagination-media/magento-api-rest",
-      "version": "3.0.6",
+      "version": "3.0.7",
       "license": "SEE LICENSE IN README.MD",
       "dependencies": {
-        "axios": "^1.6.7"
+        "crypto": "^1.0.1",
+        "oauth-1.0a": "^2.2.6"
       },
       "devDependencies": {
         "@types/axios": "^0.14.0",
         "@types/node": "^18.16.3",
         "@typescript-eslint/eslint-plugin": "^6.8.0",
         "@typescript-eslint/parser": "^6.8.0",
-        "axios": "^1.5.1",
+        "axios": "^1.6.7",
         "babel-loader": "^9.1.2",
         "babel-plugin-transform-class-properties": "^6.24.1",
         "cpy-cli": "^5.0.0",
@@ -1990,6 +1991,12 @@
         "node": ">= 8"
       }
     },
+    "node_modules/crypto": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/crypto/-/crypto-1.0.1.tgz",
+      "integrity": "sha512-VxBKmeNcqQdiUQUW2Tzq0t377b54N2bMtXO/qiLa+6eRRmmC4qT3D4OnTGoT/U6O9aklQ/jTwbOtRMTTY8G0Ig==",
+      "deprecated": "This package is no longer supported. It's now a built-in Node module. If you've depended on crypto, you should switch to the one that's built-in."
+    },
     "node_modules/debug": {
       "version": "4.3.4",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
@@ -3260,6 +3267,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/oauth-1.0a": {
+      "version": "2.2.6",
+      "resolved": "https://registry.npmjs.org/oauth-1.0a/-/oauth-1.0a-2.2.6.tgz",
+      "integrity": "sha512-6bkxv3N4Gu5lty4viIcIAnq5GbxECviMBeKR3WX/q87SPQ8E8aursPZUtsXDnxCs787af09WPRBLqYrf/lwoYQ=="
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
diff --git a/package.json b/package.json
index 51a9582..7ea5793 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,11 @@
 {
   "name": "@imagination-media/magento-api-rest",
-  "version": "3.0.6",
+  "version": "3.0.7",
   "description": "Magento API wrapper",
   "main": "lib/index.js",
-  "files": ["lib"],
+  "files": [
+    "lib"
+  ],
   "directories": {
     "lib": "lib"
   },
@@ -27,14 +29,15 @@
   },
   "homepage": "https://github.com/Imagination-Media/magento-api-rest#readme",
   "dependencies": {
-    "axios": "^1.6.7"
+    "crypto": "^1.0.1",
+    "oauth-1.0a": "^2.2.6"
   },
   "devDependencies": {
     "@types/axios": "^0.14.0",
     "@types/node": "^18.16.3",
     "@typescript-eslint/eslint-plugin": "^6.8.0",
     "@typescript-eslint/parser": "^6.8.0",
-    "axios": "^1.5.1",
+    "axios": "^1.6.7",
     "babel-loader": "^9.1.2",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "cpy-cli": "^5.0.0",
diff --git a/src/index.ts b/src/index.ts
index b2c0453..69388b9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,6 @@
 import axios from 'axios';
+import crypto from 'crypto';
+import OAuth from 'oauth-1.0a';
 
 class MagentoApi {
     private url: string;
@@ -25,10 +27,42 @@ class MagentoApi {
      * Get the headers for the request
      * @returns Header
      */
-    getHeaders(): Header {
+    getHeaders(url: string, method: "GET"|"POST"|"PUT"|"DELETE"): Header {
+        // Initialize OAuth
+        const oauth = new OAuth({
+            consumer: {
+                key: this.consumerKey,
+                secret: this.consumerSecret,
+            },
+            signature_method: 'HMAC-SHA256',
+            hash_function(base_string, key) {
+                return crypto
+                    .createHmac('sha256', key)
+                    .update(base_string)
+                    .digest('base64');
+            },
+        })
+
+        // Token (from your Magento installation)
+        const token = {
+            key: this.accessToken,
+            secret: this.tokenSecret,
+        };
+
+        const requestData = {
+            url,
+            method
+        };
+
+        let header = {
+            'Content-Type': 'application/json'
+        }
+
+        const oauthHeader = oauth.toHeader(oauth.authorize(requestData, token))
+
         return {
-            'Content-Type': 'application/json',
-            'Authorization': `Bearer ${this.accessToken}`
+            ...header,
+            ...oauthHeader
         }
     }
 
@@ -50,16 +84,18 @@ class MagentoApi {
      */
     async get (path: string, data: any|null = null): Promise<any> {
         try {
+            const url = `${this.getUrl()}${path}`;
+            
             if (data) {
-                return await axios.get(`${this.getUrl()}${path}`, {
-                    headers: this.getHeaders() as any,
+                return await axios.get(url, {
+                    headers: this.getHeaders(url, "GET") as any,
                     params: {
                         searchCriteria: data
                     }
                 });
             } else {
                 return await axios.get(`${this.getUrl()}${path}`, {
-                    headers: this.getHeaders() as any
+                    headers: this.getHeaders(url, "GET") as any
                 });
             }
         } catch (error:any) {
@@ -75,8 +111,9 @@ class MagentoApi {
      */
     async post (path: string, data: any): Promise<any> {
         try {
-            return await axios.post(`${this.getUrl()}${path}`, data, {
-                headers: this.getHeaders() as any
+            const url = `${this.getUrl()}${path}`;
+            return await axios.post(url, data, {
+                headers: this.getHeaders(url, "POST") as any
             });
         } catch (error:any) {
             console.error(error);
@@ -91,8 +128,9 @@ class MagentoApi {
      */
     async put (path: string, data: any): Promise<any> {
         try {
-            return await axios.put(`${this.getUrl()}${path}`, data, {
-                headers: this.getHeaders() as any
+            const url = `${this.getUrl()}${path}`;
+            return await axios.put(url, data, {
+                headers: this.getHeaders(url, "PUT") as any
             });
         } catch (error:any) {
             console.error(error);
@@ -106,8 +144,9 @@ class MagentoApi {
      */
     async delete (path: string): Promise<any> {
         try {
-            return await axios.delete(`${this.getUrl()}${path}`, {
-                headers: this.getHeaders() as any
+            const url = `${this.getUrl()}${path}`;
+            return await axios.delete(url, {
+                headers: this.getHeaders(url, "DELETE") as any
             });
         } catch (error:any) {
             console.error(error);