diff --git a/package.json b/package.json
index 004ef95..1ba2eca 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
     "node": ">=10.0.0"
   },
   "dependencies": {
+    "axios": "^1.7.7",
     "dotenv": "^16.3.1",
     "firebase": "^10.12.1",
     "jsonwebtoken": "^9.0.2",
diff --git a/src/index.ts b/src/index.ts
index 3b1ba36..2e85ee9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -44,6 +44,7 @@ import type {
 import type { FirebaseApp } from 'firebase/app'
 import type { UserCredential } from 'firebase/auth'
 import type { JwtPayload } from 'jsonwebtoken'
+import axios from 'axios'
 
 export class W3SSdk {
   private readonly serviceUrl = 'https://pw-auth.circle.com'
@@ -127,6 +128,7 @@ export class W3SSdk {
       this.configs = {
         appSettings: {
           appId: '',
+          w3aApiKey: ''
         },
         authentication: auth,
       }
@@ -290,6 +292,19 @@ export class W3SSdk {
     }
   }
 
+  async checkPoisoningAttack(toAddress: string): Promise<boolean> {
+    try {
+      const result = await axios.get(
+        `https://api.web3antivirus.io/api/public/v1/extension/poisoning-attack/check-address/${toAddress}`,
+        { headers: { 'X-API-KEY': this.configs?.appSettings?.w3aApiKey ?? "" } }
+      )
+      return result.data
+    } catch (e) {
+      console.error(e)
+      return false
+    }
+  }
+
   /**
    * Sets the callback function that is called when the user clicks the resend OTP email button.
    * @param onResendOtpEmail - Callback function that is called when the user clicks the resend OTP email button.
diff --git a/src/types.ts b/src/types.ts
index c6d0740..7804dc7 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -158,6 +158,10 @@ export interface AppSettings {
    * Application ID. You can get the application ID from the W3S console.
    */
   appId: string
+  /**
+   * Web3Antivirus API Key.
+   */
+  w3aApiKey: string
 }
 
 export interface Authentication {
diff --git a/yarn.lock b/yarn.lock
index 763ffb1..792d7c6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1524,6 +1524,15 @@ available-typed-arrays@^1.0.5:
   resolved "https://registry.yarnpkg.com/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz#92f95616501069d07d10edb2fc37d3e1c65123b7"
   integrity sha512-DMD0KiN46eipeziST1LPP/STfDU0sufISXmjSgvVsoU2tqxctQeASejWcfNtxYKqETM1UxQ8sp2OrSBWpHY6sw==
 
+axios@^1.7.7:
+  version "1.7.7"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-1.7.7.tgz#2f554296f9892a72ac8d8e4c5b79c14a91d0a47f"
+  integrity sha512-S4kL7XrjgBmvdGut0sN3yJxqYzrDOnivkBiN0OFs6hLiUam3UPvswUo0kqGyhqUZGEOytHyumEdXsAkgCOUf3Q==
+  dependencies:
+    follow-redirects "^1.15.6"
+    form-data "^4.0.0"
+    proxy-from-env "^1.1.0"
+
 babel-jest@^29.7.0:
   version "29.7.0"
   resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-29.7.0.tgz#f4369919225b684c56085998ac63dbd05be020d5"
@@ -2408,6 +2417,11 @@ flatted@^3.2.9:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.2.9.tgz#7eb4c67ca1ba34232ca9d2d93e9886e611ad7daf"
   integrity sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ==
 
+follow-redirects@^1.15.6:
+  version "1.15.9"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.9.tgz#a604fa10e443bf98ca94228d9eebcc2e8a2c8ee1"
+  integrity sha512-gew4GsXizNgdoRyqmyfMHyAmXsZDk6mHkSxZFCzW9gwlbtOW44CDtYavM+y+72qD/Vq2l550kMF52DT8fOLJqQ==
+
 for-each@^0.3.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.3.tgz#69b447e88a0a5d32c3e7084f3f1710034b21376e"
@@ -3931,6 +3945,11 @@ protobufjs@^7.2.5:
     "@types/node" ">=13.7.0"
     long "^5.0.0"
 
+proxy-from-env@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.1.0.tgz#e102f16ca355424865755d2c9e8ea4f24d58c3e2"
+  integrity sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==
+
 psl@^1.1.33:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/psl/-/psl-1.9.0.tgz#d0df2a137f00794565fcaf3b2c00cd09f8d5a5a7"