diff --git a/x-pack/plugins/canvas/common/lib/constants.js b/x-pack/plugins/canvas/common/lib/constants.js
index a9839f6bcc5ce7..d996bc5e8c4b81 100644
--- a/x-pack/plugins/canvas/common/lib/constants.js
+++ b/x-pack/plugins/canvas/common/lib/constants.js
@@ -8,7 +8,7 @@ export const CANVAS_TYPE = 'canvas-workpad';
 export const CANVAS_APP = 'canvas';
 export const APP_ROUTE = '/app/canvas';
 export const APP_ROUTE_WORKPAD = `${APP_ROUTE}#/workpad`;
-export const API_ROUTE = '/api/interpreter';
+export const API_ROUTE = '/api/canvas';
 export const API_ROUTE_WORKPAD = `${API_ROUTE}/workpad`;
 export const API_ROUTE_WORKPAD_ASSETS = `${API_ROUTE}/workpad-assets`;
 export const API_ROUTE_WORKPAD_STRUCTURES = `${API_ROUTE}/workpad-structures`;
diff --git a/x-pack/plugins/canvas/server/routes/es_fields/index.js b/x-pack/plugins/canvas/server/routes/es_fields/index.js
index 235b2b0bc69e3a..6967c2994a2910 100644
--- a/x-pack/plugins/canvas/server/routes/es_fields/index.js
+++ b/x-pack/plugins/canvas/server/routes/es_fields/index.js
@@ -5,15 +5,17 @@
  */
 
 import { partial } from 'lodash';
+import { API_ROUTE } from '../../../common/lib/constants';
 import { getESFieldTypes } from './get_es_field_types';
 
 // TODO: Error handling, note: esErrors
+
 export function esFields(server) {
   const { callWithRequest } = server.plugins.elasticsearch.getCluster('data');
 
   server.route({
     method: 'GET',
-    path: '/api/canvas/es_fields',
+    path: `${API_ROUTE}/es_fields`,
     handler: function(request, h) {
       const { index, fields } = request.query;
       if (!index) {