diff --git a/src/main/java/com/smartystreets/api/international_autocomplete/Client.java b/src/main/java/com/smartystreets/api/international_autocomplete/Client.java
index ffd7602..5ab8df1 100644
--- a/src/main/java/com/smartystreets/api/international_autocomplete/Client.java
+++ b/src/main/java/com/smartystreets/api/international_autocomplete/Client.java
@@ -51,6 +51,9 @@ private Request buildRequest(Lookup lookup) {
         }
         request.putParameter("include_only_locality", lookup.getLocality());
         request.putParameter("include_only_postal_code", lookup.getPostalCode());
+        if (lookup.getLanguage() != null) {
+            request.putParameter("language", lookup.getLanguage().getName());
+        }
 
         return request;
     }
diff --git a/src/main/java/com/smartystreets/api/international_autocomplete/LanguageMode.java b/src/main/java/com/smartystreets/api/international_autocomplete/LanguageMode.java
new file mode 100644
index 0000000..b1a2b7d
--- /dev/null
+++ b/src/main/java/com/smartystreets/api/international_autocomplete/LanguageMode.java
@@ -0,0 +1,21 @@
+package com.smartystreets.api.international_autocomplete;
+
+/**
+ * When not set, the output language will match the default for the country. When set to <b>NATIVE</b> the<br>
+ *     results will always be in the language of the output country whenever possible. When set to <b>LATIN</b><br>
+ *     the results will always be provided using the Latin character set, with accents and other diacritics removed.
+ *     <p><b>Note: </b><i>For French diacritics in Canada, you must specify NATIVE.</i></p>
+ */
+public enum LanguageMode {
+    NATIVE("native"), LATIN("latin");
+
+    private final String name;
+
+    LanguageMode(String name){
+        this.name = name;
+    }
+
+    public String getName(){
+        return name;
+    }
+}
diff --git a/src/main/java/com/smartystreets/api/international_autocomplete/Lookup.java b/src/main/java/com/smartystreets/api/international_autocomplete/Lookup.java
index 182dbd0..66bfe81 100644
--- a/src/main/java/com/smartystreets/api/international_autocomplete/Lookup.java
+++ b/src/main/java/com/smartystreets/api/international_autocomplete/Lookup.java
@@ -1,5 +1,6 @@
 package com.smartystreets.api.international_autocomplete;
 
+
 /**
  * In addition to holding all of the input data for this lookup, this class also<br>
  * will contain the result of the lookup after it comes back from the API.
@@ -22,6 +23,7 @@ public class Lookup {
     private boolean geolocation;
     private String locality;
     private String postalCode;
+    private LanguageMode language;
 
 //endregion
 
@@ -87,6 +89,10 @@ public String getPostalCode() {
         return this.postalCode;
     }
 
+    public LanguageMode getLanguage() {
+        return this.language;
+    }
+
     //endregion
 
     //region [ Setters ]
@@ -126,5 +132,9 @@ public void setPostalCode(String postalCode) {
         this.postalCode = postalCode;
     }
 
+    public void setLanguage(LanguageMode language) {
+        this.language = language;
+    }
+
     //endregion
 }
diff --git a/src/main/java/examples/InternationalAutocompleteExample.java b/src/main/java/examples/InternationalAutocompleteExample.java
index 85ed4f7..23a3e96 100644
--- a/src/main/java/examples/InternationalAutocompleteExample.java
+++ b/src/main/java/examples/InternationalAutocompleteExample.java
@@ -6,6 +6,7 @@
 import com.smartystreets.api.international_autocomplete.Client;
 import com.smartystreets.api.international_autocomplete.Lookup;
 import com.smartystreets.api.international_autocomplete.Candidate;
+import com.smartystreets.api.international_autocomplete.LanguageMode;
 
 import java.io.IOException;
 
@@ -26,6 +27,7 @@ public static void main(String[] args) {
             lookup.setLocality("Paris");
             lookup.setMaxGroupResults(50);
             lookup.setGeolocation(true);
+            lookup.setLanguage(LanguageMode.NATIVE);
 
             client.send(lookup);
 
diff --git a/src/test/java/com/smartystreets/api/international_autocomplete/ClientTest.java b/src/test/java/com/smartystreets/api/international_autocomplete/ClientTest.java
index 52a1027..d38cebc 100644
--- a/src/test/java/com/smartystreets/api/international_autocomplete/ClientTest.java
+++ b/src/test/java/com/smartystreets/api/international_autocomplete/ClientTest.java
@@ -52,13 +52,14 @@ public void testSendingSingleFullyPopulatedLookup() throws Exception {
         URLPrefixSender sender = new URLPrefixSender("http://localhost/", capturingSender);
         FakeSerializer serializer = new FakeSerializer(new Result());
         Client client = new Client(sender, serializer);
-        String expectedURL = "http://localhost/?country=1&search=2&max_results=10&max_group_results=100&include_only_locality=4&include_only_postal_code=5";
+        String expectedURL = "http://localhost/?country=1&search=2&max_results=10&max_group_results=100&include_only_locality=4&include_only_postal_code=5&language=native";
         Lookup lookup = new Lookup();
         lookup.setCountry("1");
         lookup.setSearch("2");
         lookup.setMaxResults(10);
         lookup.setLocality("4");
         lookup.setPostalCode("5");
+        lookup.setLanguage(LanguageMode.NATIVE);
 
         client.send(lookup);
 
@@ -93,6 +94,47 @@ public void testSendingLookupWithCustomMaxGroupResults() throws Exception {
         assertTrue(capturingSender.getRequest().getUrl().contains("max_group_results=50"));
     }
 
+    @Test
+    public void testSendingLookupWithNativeLanguage() throws Exception {
+        RequestCapturingSender capturingSender = new RequestCapturingSender();
+        URLPrefixSender sender = new URLPrefixSender("http://localhost/", capturingSender);
+        FakeSerializer serializer = new FakeSerializer(new Result());
+        Client client = new Client(sender, serializer);
+        Lookup lookup = new Lookup("1");
+        lookup.setLanguage(LanguageMode.NATIVE);
+
+        client.send(lookup);
+
+        assertTrue(capturingSender.getRequest().getUrl().contains("language=native"));
+    }
+
+    @Test
+    public void testSendingLookupWithLatinLanguage() throws Exception {
+        RequestCapturingSender capturingSender = new RequestCapturingSender();
+        URLPrefixSender sender = new URLPrefixSender("http://localhost/", capturingSender);
+        FakeSerializer serializer = new FakeSerializer(new Result());
+        Client client = new Client(sender, serializer);
+        Lookup lookup = new Lookup("1");
+        lookup.setLanguage(LanguageMode.LATIN);
+
+        client.send(lookup);
+
+        assertTrue(capturingSender.getRequest().getUrl().contains("language=latin"));
+    }
+
+    @Test
+    public void testSendingLookupWithUnsetLanguageOmitsParameter() throws Exception {
+        RequestCapturingSender capturingSender = new RequestCapturingSender();
+        URLPrefixSender sender = new URLPrefixSender("http://localhost/", capturingSender);
+        FakeSerializer serializer = new FakeSerializer(new Result());
+        Client client = new Client(sender, serializer);
+        Lookup lookup = new Lookup("1");
+
+        client.send(lookup);
+
+        assertFalse(capturingSender.getRequest().getUrl().contains("language"));
+    }
+
     @Test
     public void testDefaultValues() {
         Lookup lookup = new Lookup();