diff --git a/README.md b/README.md
index 8ab2533..a0d0262 100644
--- a/README.md
+++ b/README.md
@@ -69,9 +69,14 @@ public class MainActivity extends ReactActivity {
 import Geocoder from 'react-native-geocoder';
 
 // Position Geocoding
-var NY = {
+const NY = {
   lat: 40.7809261,
-  lng: -73.9637594
+  lng: -73.9637594,
+  
+  // Or, keys can be latitude/longitude
+
+  latitude: 40.7809261,
+  longitude: -73.9637594,
 };
 
 Geocoder.geocodePosition(NY).then(res => {
diff --git a/js/geocoder.js b/js/geocoder.js
index 3a4563e..f79e253 100644
--- a/js/geocoder.js
+++ b/js/geocoder.js
@@ -11,13 +11,18 @@ export default {
   },
 
   geocodePosition(position) {
-    if (!position || !position.lat || !position.lng) {
-      return Promise.reject(new Error("invalid position: {lat, lng} required"));
+    if (!position || (!position.lat && !position.latitude) || (!position.lng && !position.longitude)) {
+      return Promise.reject(new Error("Invalid position: { lat|latitude, lng|longitude } required"));
     }
 
-    return RNGeocoder.geocodePosition(position).catch(err => {
+    const lat = position.lat || position.latitude;
+    const lng = position.lng || position.longitude;
+
+    const latLng = { lat, lng };
+
+    return RNGeocoder.geocodePosition(latLng).catch(err => {
       if (!this.apiKey) { throw err; }
-      return GoogleApi.geocodePosition(this.apiKey, position);
+      return GoogleApi.geocodePosition(this.apiKey, latLng);
     });
   },
 
diff --git a/js/googleApi.js b/js/googleApi.js
index 4358de7..f42e3ef 100644
--- a/js/googleApi.js
+++ b/js/googleApi.js
@@ -59,18 +59,10 @@ function format(raw) {
 
 export default {
   geocodePosition(apiKey, position) {
-    if (!apiKey || !position || !position.lat || !position.lng) {
-      return Promise.reject(new Error("invalid apiKey / position"));
-    }
-
     return this.geocodeRequest(`${googleUrl}?key=${apiKey}&latlng=${position.lat},${position.lng}`);
   },
 
   geocodeAddress(apiKey, address) {
-    if (!apiKey || !address) {
-      return Promise.reject(new Error("invalid apiKey / address"));
-    }
-
     return this.geocodeRequest(`${googleUrl}?key=${apiKey}&address=${encodeURI(address)}`);
   },