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Address Verification with Metamask: Step by Step
![Metamask: How can I securely verify a user owns an address from Metamask? [duplicate]](https://antiquecoin.tv/wp-content/uploads/2025/02/fa5c3855.png)
As a web developer, you may have encountered this place in Metamk – AP. In this article we will have to use Metamk Tove
What is Metamk?
Before diving, we will quickly look at what Metamk is doing. It is a secure heretion that allows you to import air accounts directly to your Weur Weble app. When Auser imports their account, they can choose it to share it, or you privately.
Step 1: Prepare your site for verification
You will need a simple endpoint on your, input to check if Auser esendes from Metamask. In this example, let’s assume that your site uses NODE.Js as its back language.
Create a new file index.js and add the following code:
`JavaScript
Const Express = ask ('express');
Const app = Express ();
App.post ('/Verify-Address', (REQ, RES) => {>
Const Address = Req.Body.address;
// Integrate with Metamk API to check
Import ('Metamk'). Then ((API) => {
API.verifyaddress (address) .then ((result) => {
IF (result.Everted) {
Res.jon ({message: 'User});
} else {
Res.json ({message: 'User is not});
}
}) Catch ((error) => {
Console.Error (error);
Res.Status (500) .jon ({error: 'Failed to check});
});
}) Catch ((error) => {
Console.Error (error);
Res.Status (400) .jon ({error: 'Invalid request data});
});
});
This code imports the Metamk API and its user was adopted if the imported imports are imported by Metamk. IfTership Isvership, we answer with a success message.
Step 2: Integrate Metamass with your site
To integrate Metamas with your site, you will need a “Metamasta” library as dependence on your file “Package.json":
JSON
{
"Name": "My-Website",
"Verage": "1.0.0",
"Addiction": {
"@Typi/Metamk": "^3.4.7".
"Express": "^4.17.1".
}
}
Then create a new file named Metamk.js and add the following code:
`JavaScript
Import {ethers} from 'eter;
Import * as a metamask from “@Tips/Metamk”;
CONST API = Metamk;
Export default ASYNC function Verifyaddress (address) {
Const account = wait for API.Getaccount (address);
if (account) {
return the truth;
} else {
return false;
}
}
This code uses Metamk
Step 3: Call the Verification Function
To check Auser, call from your site’s Verfyaddress:
`JavaScript
Const address = '0x ... user-and…'; // Replace it actual Metamk Eddress
to bring ('/verify-anaddress', {
Method: “Post”,
Headers: {'Conten-Type': 'Application/JSON'},
Body: JSON.Stringify ({Address}),
})
.Then ((answer) => reaction.json ())
.Then ((result) => Console.log (result))
.catch ((error) => Console.Error (error));
Replact .USER-ADDR ... with the acting master you imported you.
When performing these steps, you can safely check that the Auserum address uses Metamas. This approach provides an encrypted and secure test of the product, eliminating sensitive user data.
