diff --git a/js/models/Insight.js b/js/models/Insight.js
index 439aced7f..b62181117 100644
--- a/js/models/Insight.js
+++ b/js/models/Insight.js
@@ -269,39 +269,15 @@ Insight.prototype.getTransaction = function(txid, cb) {
   });
 };
 
-Insight.prototype.getTransactions = function(addresses, cb) {
+Insight.prototype.getTransactions = function (addresses, cb) {
   preconditions.shouldBeArray(addresses);
   preconditions.shouldBeFunction(cb);
 
-  var self = this;
-  if (!addresses.length) return cb(null, []);
-
-  // Iterator: get a list of transaction ids for an address
-  function getTransactionIds(address, next) {
-    self.request('/api/addr/' + address, function(err, res, body) {
-      if (err || res.statusCode != 200 || !body) return next(err || res);
-      next(null, JSON.parse(body).transactions);
-    });
-  }
-
-  async.map(addresses, getTransactionIds, function then(err, txids) {
-    if (err) return cb(err);
-
-    // txids it's a list of list, let's fix that:
-    var txidsList = txids.reduce(function(a, r) {
-      return r.concat(a);
-    });
-
-    // Remove duplicated txids
-    txidsList = txidsList.filter(function(elem, pos, self) {
-      return self.indexOf(elem) == pos;
-    });
-
-    // Now get the transactions for that list of txIds
-    async.map(txidsList, self.getTransaction.bind(self), function then(err, txs) {
-      if (err) return cb(err);
-      cb(null, txs);
-    });
+  this.requestPost('/api/addrs/txs', {
+    addrs: addresses.join(',')
+  }, function (err, res, txs) {
+    if (err || res.statusCode != 200) return cb(err || res);
+    cb(null, txs);
   });
 };
 
diff --git a/test/blockchain.Insight.js b/test/blockchain.Insight.js
index 386e16bbf..9c445e51f 100644
--- a/test/blockchain.Insight.js
+++ b/test/blockchain.Insight.js
@@ -229,25 +229,12 @@ describe('Insight model', function() {
   it('should get a set of transaction by addresses', function(done) {
     var blockchain = new Insight(FAKE_OPTS);
 
-    sinon.stub(blockchain, "request", function(url, cb) {
-      var res = {statusCode: 200};
-
-      if (url == '/api/addr/2NATQJnaQe2CUKLyhL1zdNkttJM1dUH9HaM') {
-        return setTimeout(function() {
-          var body = JSON.stringify({transactions: [1, 2]});
-          cb(null, res, body);
-        }, 0);
-      }
-
-      if (url == '/api/addr/2NE9hTCffeugo5gQtfB4owq98gyTeWC56yb') {
-        return setTimeout(function() {
-          var body = JSON.stringify({transactions: [3]});
-          cb(null, res, body);
-        }, 0);
-      }
-
+    sinon.stub(blockchain, "requestPost", function(url, data, cb) {
+      url.should.be.equal('/api/addrs/txs');
+      data.addrs.should.be.equal('2NATQJnaQe2CUKLyhL1zdNkttJM1dUH9HaM,2NE9hTCffeugo5gQtfB4owq98gyTeWC56yb');
       setTimeout(function() {
-        var body = JSON.stringify({txid: '123123'});
+        var res = {statusCode: 200};
+        var body = [1, 2, 3];
         cb(null, res, body);
       }, 0);
     });