diff --git a/NEWS.md b/NEWS.md
index eb9626fe..311a4842 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -38,6 +38,7 @@ New features:
   - strftime: 0.10.0
 - Optional instantiation metadata stats (https://github.com/CartoDB/Windshaft-cartodb/pull/952)
 - Experimental dates_as_numbers support
+- Tiles base urls with api key
 
 Bug Fixes:
 - Validates tile coordinates (z/x/y) from request params to be a valid integer value.
diff --git a/lib/cartodb/api/middlewares/layergroup-metadata.js b/lib/cartodb/api/middlewares/layergroup-metadata.js
index bbb1fbe4..a9cec443 100644
--- a/lib/cartodb/api/middlewares/layergroup-metadata.js
+++ b/lib/cartodb/api/middlewares/layergroup-metadata.js
@@ -1,6 +1,6 @@
 module.exports = function setMetadataToLayergroup (layergroupMetadata, includeQuery) {
     return function setMetadataToLayergroupMiddleware (req, res, next) {
-        const { user, mapConfig, analysesResults = [], context } = res.locals;
+        const { user, mapConfig, analysesResults = [], context, api_key: userApiKey } = res.locals;
         const layergroup = res.body;
 
         layergroupMetadata.addDataviewsAndWidgetsUrls(user, layergroup, mapConfig.obj());
@@ -8,7 +8,7 @@ module.exports = function setMetadataToLayergroup (layergroupMetadata, includeQu
         layergroupMetadata.addTurboCartoContextMetadata(layergroup, mapConfig.obj(), context);
         layergroupMetadata.addAggregationContextMetadata(layergroup, mapConfig.obj(), context);
         layergroupMetadata.addDateWrappingMetadata (layergroup, mapConfig.obj());
-        layergroupMetadata.addTileJsonMetadata(layergroup, user, mapConfig);
+        layergroupMetadata.addTileJsonMetadata(layergroup, user, mapConfig, userApiKey);
 
         next();
     };
diff --git a/lib/cartodb/utils/layergroup-metadata.js b/lib/cartodb/utils/layergroup-metadata.js
index 41c3c9af..ee2e78c4 100644
--- a/lib/cartodb/utils/layergroup-metadata.js
+++ b/lib/cartodb/utils/layergroup-metadata.js
@@ -1,4 +1,5 @@
 const dateWrapper = require('./date-wrapper');
+const querystring = require('querystring');
 
 module.exports = class LayergroupMetadata {
     constructor (resourceLocator) {
@@ -84,16 +85,18 @@ module.exports = class LayergroupMetadata {
         }
     }
 
-    addTileJsonMetadata (layergroup, user, mapconfig) {
+    addTileJsonMetadata (layergroup, user, mapconfig, userApiKey = null) {
         const isVectorOnlyMapConfig = mapconfig.isVectorOnlyMapConfig();
         let hasMapnikLayers = false;
+        const apiKey = userApiKey ? '?' + querystring.stringify({api_key: userApiKey}) : '';
 
         layergroup.metadata.layers.forEach((layerMetadata, index) => {
             const layerId = mapconfig.getLayerId(index);
-            const rasterResource = `${layergroup.layergroupid}/${layerId}/{z}/{x}/{y}.png`;
+            const rasterResource = `${layergroup.layergroupid}/${layerId}/{z}/{x}/{y}.png${apiKey}`;
+
             if (mapconfig.layerType(index) === 'mapnik') {
                 hasMapnikLayers = true;
-                const vectorResource = `${layergroup.layergroupid}/${layerId}/{z}/{x}/{y}.mvt`;
+                const vectorResource = `${layergroup.layergroupid}/${layerId}/{z}/{x}/{y}.mvt${apiKey}`;
                 const layerTilejson = {
                     vector: this._getTilejson(this.resourceLocator.getTileUrls(user, vectorResource))
                 };
@@ -101,7 +104,7 @@ module.exports = class LayergroupMetadata {
                     let grids = null;
                     const layer = mapconfig.getLayer(index);
                     if (layer.options.interactivity) {
-                        const gridResource = `${layergroup.layergroupid}/${layerId}/{z}/{x}/{y}.grid.json`;
+                        const gridResource = `${layergroup.layergroupid}/${layerId}/{z}/{x}/{y}.grid.json${apiKey}`;
                         grids = this.resourceLocator.getTileUrls(user, gridResource);
                     }
                     layerTilejson.raster = this._getTilejson(
@@ -121,14 +124,14 @@ module.exports = class LayergroupMetadata {
         const url = {};
 
         if (hasMapnikLayers) {
-            const vectorResource = `${layergroup.layergroupid}/{z}/{x}/{y}.mvt`;
+            const vectorResource = `${layergroup.layergroupid}/{z}/{x}/{y}.mvt${apiKey}`;
             tilejson.vector = this._getTilejson(
                 this.resourceLocator.getTileUrls(user, vectorResource)
             );
             url.vector = this._getTemplateUrl(this.resourceLocator.getTemplateUrls(user, vectorResource));
 
             if (!isVectorOnlyMapConfig) {
-                const rasterResource = `${layergroup.layergroupid}/{z}/{x}/{y}.png`;
+                const rasterResource = `${layergroup.layergroupid}/{z}/{x}/{y}.png${apiKey}`;
                 tilejson.raster = this._getTilejson(
                     this.resourceLocator.getTileUrls(user, rasterResource)
                 );
diff --git a/test/acceptance/layergroup-metadata.js b/test/acceptance/layergroup-metadata.js
new file mode 100644
index 00000000..4da60ef4
--- /dev/null
+++ b/test/acceptance/layergroup-metadata.js
@@ -0,0 +1,46 @@
+require('../support/test_helper');
+
+const assert = require('../support/assert');
+const TestClient = require('../support/test-client');
+
+describe('layergroup metadata', function () {
+    [1234, 'default_public', false].forEach(api_key => {
+        it(`tiles base urls ${api_key ? `with api key: ${api_key}` : 'without api key'}`, function (done) {
+            const mapConfig = {
+                version: '1.7.0',
+                layers: [
+                    {
+                        type: 'cartodb',
+                        options: {
+                            sql: 'select * from populated_places_simple_reduced',
+                        }
+                    }
+                ]
+            };
+
+            const host = `https://localhost.localhost.lan:${global.environment.port}`;
+
+            const testClient = new TestClient(mapConfig, api_key);
+            testClient.getLayergroup((err, body) => {
+                if (err) {
+                    return done(err);
+                }
+
+                let urlLayer = `${host}/api/v1/map/${body.layergroupid}/layer0/{z}/{x}/{y}.mvt`;
+                let urlNoLayer = `${host}/api/v1/map/${body.layergroupid}/{z}/{x}/{y}.mvt`;
+
+                if (api_key) {
+                    urlLayer += `?api_key=${api_key}`;
+                    urlNoLayer += `?api_key=${api_key}`;
+                }
+
+                assert.ok(body.layergroupid);
+                assert.equal(body.metadata.layers[0].tilejson.vector.tiles[0], urlLayer);
+                assert.equal(body.metadata.tilejson.vector.tiles[0], urlNoLayer);
+                assert.equal(body.metadata.url.vector.urlTemplate, urlNoLayer);
+
+                testClient.drain(done);
+            });
+        });
+    });
+});