# Quick start (Node.js) Basic example: ```javascript const doip = require('doip') const verifyIdentity = async (url, fp) => { const claim = new doip.Claim(url, fp) claim.match() await claim.verify() console.log(claim.result) } verifyIdentity('dns:doip.rocks', '9f0048ac0b23301e1f77e994909f6bd6f80f485d') ``` This snippet works en will verify the [doip.rocks](https://doip.rocks) domain as linked to Yarmo's cryptographic key using the [dns](serviceproviders/dns.md) service provider. ## Twitter account verification By default, Twitter accounts verification has to be enabled by either having a Twitter developer account or providing a Nitter instance domain. Please refer to the [API documentation](/#/api?id=claimsverifyuri-fingerprint-opts).