diff --git a/src/index.js b/src/index.js
index 7c80195..4a4a865 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,12 +1,42 @@
 const validUrl = require('valid-url')
-const serviceprovidersList = require('./serviceproviders').serviceprovidersList
+const { serviceprovidersList, serviceproviders } = require('./serviceproviders')
+
+const matchSp = (uri) => {
+  let matches = [], sp
+
+  serviceprovidersList.forEach((spName, i) => {
+    sp = serviceproviders[spName]
+    if (sp.reURI.test(uri)) {
+      matches.push(sp.processURI(uri))
+    }
+  })
+
+  return matches
+}
 
 const verify = (uri, fingerprint, opts) => {
-  if !(validUrl.isUri(uri)) {
+  if (!validUrl.isUri(uri)) {
     throw new Error('The provided URI was not valid')
   }
+
+  const spMatches = matchSp(uri)
+
+  if (opts.returnMatchesOnly) {
+    return spMatches
+  }
+
+  // let claimHasBeenVerified = false
+  // let iSp = 0, sp
+  // while (!claimHasBeenVerified) {
+  //
+  //   if (!sp.reURI.test(uri)) {
+  //     continue;
+  //   }
+  //
+  //   iSP++
+  // }
 }
 
 exports.verify = verify
-exports.serviceproviders = require('./serviceproviders').serviceproviders
+exports.serviceproviders = serviceproviders
 exports.serviceprovidersList = serviceprovidersList
diff --git a/test/verify.test.js b/test/verify.test.js
index 92285e2..3194f7e 100644
--- a/test/verify.test.js
+++ b/test/verify.test.js
@@ -32,9 +32,21 @@ const assert = require('chai').assert
 const request = require('supertest')
 const doipjs = require('../src')
 
-describe('verify', function() {
-  it('should be a function (3 arguments)', function() {
+describe('verify', () => {
+  it('should be a function (3 arguments)', () => {
     expect(doipjs.verify).to.be.a('function')
     expect(doipjs.verify).to.have.length(3)
   })
+  it('should match "dns:domain.org" to the DNS service provider', () => {
+    const matches = doipjs.verify('dns:domain.org', null, {returnMatchesOnly: true})
+    expect(matches).to.be.a('array')
+    expect(matches).to.be.length(1)
+    expect(matches[0].type).to.be.equal('domain')
+  })
+  it('should match "xmpp:alice@domain.org" to the XMPP service provider', () => {
+    const matches = doipjs.verify('xmpp:alice@domain.org', null, {returnMatchesOnly: true})
+    expect(matches).to.be.a('array')
+    expect(matches).to.be.length(1)
+    expect(matches[0].type).to.be.equal('xmpp')
+  })
 })