diff --git a/discovery/src/main/java/com/ibm/watson/developer_cloud/discovery/v1/Discovery.java b/discovery/src/main/java/com/ibm/watson/developer_cloud/discovery/v1/Discovery.java
index 14fad62e703..49dc89a21c8 100644
--- a/discovery/src/main/java/com/ibm/watson/developer_cloud/discovery/v1/Discovery.java
+++ b/discovery/src/main/java/com/ibm/watson/developer_cloud/discovery/v1/Discovery.java
@@ -356,7 +356,6 @@ public ServiceCall<CreateDocumentResponse> createDocument(CreateDocumentRequest
         }
         Validator.notNull(createRequest.getFile(), "Document " + FILE + " cannot be null");
         MediaType mediaType = supportedMediaTypes.get(createRequest.getMediaType());
-        Validator.notNull(mediaType, String.format("Media Type '%s' not supported", createRequest.getMediaType()));
         RequestBody file = InputStreamRequestBody.create(mediaType, createRequest.getFile());
         MultipartBody.Builder multipartBuilder = new MultipartBody.Builder();
         multipartBuilder.setType(MultipartBody.FORM);
diff --git a/discovery/src/main/java/com/ibm/watson/developer_cloud/discovery/v1/model/document/CreateDocumentRequest.java b/discovery/src/main/java/com/ibm/watson/developer_cloud/discovery/v1/model/document/CreateDocumentRequest.java
index 14501086f30..cb9b6843cae 100644
--- a/discovery/src/main/java/com/ibm/watson/developer_cloud/discovery/v1/model/document/CreateDocumentRequest.java
+++ b/discovery/src/main/java/com/ibm/watson/developer_cloud/discovery/v1/model/document/CreateDocumentRequest.java
@@ -31,6 +31,7 @@ public class CreateDocumentRequest extends GenericModel {
     private JsonObject metadata;
     private InputStream file;
     private String mediaType;
+    private String fileName;
     //TODO add configuration
 
     protected CreateDocumentRequest(Builder builder) {
@@ -40,6 +41,7 @@ protected CreateDocumentRequest(Builder builder) {
         this.metadata = builder.metadata;
         this.file = builder.file;
         this.mediaType = builder.mediaType;
+        this.fileName = builder.fileName;
     }
 
     public String getEnvironmentId() {
@@ -66,6 +68,10 @@ public String getMediaType() {
         return mediaType;
     }
 
+    public String getFileName() {
+        return fileName;
+    }
+
     public static class Builder {
         private final String environmentId;
         private final String collectionId;
@@ -73,10 +79,12 @@ public static class Builder {
         private JsonObject metadata;
         private InputStream file;
         private String mediaType;
+        private String fileName;
 
         public Builder(String environmentId, String collectionId) {
             this.environmentId = environmentId;
             this.collectionId = collectionId;
+            this.fileName = this.fileName == null || this.fileName.isEmpty() ? "file_name_not_provided" : this.fileName;
         }
 
         public Builder configurationId(String configurationId) {
@@ -89,17 +97,65 @@ public Builder metadata(JsonObject metadata) {
             return this;
         }
 
+        /**
+         * @deprecated
+         * Use instead file(InputStream content, String mediaType)
+         *
+         * @param file An input stream of bytes
+         * @param mediaType The media type
+         * @return A document builder
+         */
+        @Deprecated
         public Builder inputStream(InputStream file, String mediaType) {
             this.file = file;
             this.mediaType = mediaType;
             return this;
         }
 
+        public Builder file(InputStream content) {
+            this.file = content;
+            return this;
+        }
+
+        public Builder file(InputStream content, String mediaType) {
+            this.file = content;
+            this.mediaType = mediaType;
+            return this;
+        }
+
+        /**
+         * Create a document builder with an input stream, file name, and media type.
+         *
+         * @param content An input stream of bytes
+         * @param fileName The file name
+         * @param mediaType The media type. If the media type is unknown then use null or empty string.
+         * @return A document builder
+         */
+        public Builder file(InputStream content, String fileName, String mediaType) {
+            this.file = content;
+            this.mediaType = mediaType;
+            this.fileName = fileName;
+            return this;
+        }
+
         public Builder file(File inputFile, String mediaType) {
             InputStream file;
             try {
                 file = new FileInputStream(inputFile);
                 this.mediaType = mediaType;
+                this.fileName = inputFile.getName();
+            } catch (FileNotFoundException e) {
+                file = null;
+            }
+            this.file = file;
+            return this;
+        }
+
+        public Builder file(File inputFile) {
+            InputStream file;
+            try {
+                file = new FileInputStream(inputFile);
+                this.fileName = inputFile.getName();
             } catch (FileNotFoundException e) {
                 file = null;
             }
diff --git a/discovery/src/test/java/com/ibm/watson/developer_cloud/discovery/v1/DiscoveryServiceTest.java b/discovery/src/test/java/com/ibm/watson/developer_cloud/discovery/v1/DiscoveryServiceTest.java
index fe7f3461057..7020cfc6e4b 100644
--- a/discovery/src/test/java/com/ibm/watson/developer_cloud/discovery/v1/DiscoveryServiceTest.java
+++ b/discovery/src/test/java/com/ibm/watson/developer_cloud/discovery/v1/DiscoveryServiceTest.java
@@ -73,10 +73,7 @@
 
 import static org.junit.Assert.assertEquals;
 
-import java.io.ByteArrayInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
-import java.io.InputStream;
+import java.io.*;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -440,6 +437,121 @@ public void createDocumentIsSuccessful() throws InterruptedException {
     assertEquals(createDocResp, response);
   }
 
+  @Test
+  public void createDocumentFromInputStreamIsSuccessful() throws InterruptedException {
+    server.enqueue(jsonResponse(createDocResp));
+    String myDocumentJson = "{\"field\":\"value\"}";
+    JsonObject myMetadata = new JsonObject();
+    myMetadata.add("foo", new JsonPrimitive("bar"));
+    InputStream documentStream = new ByteArrayInputStream(myDocumentJson.getBytes());
+
+    CreateDocumentRequest.Builder builder = new CreateDocumentRequest.Builder(environmentId, collectionId);
+    builder.file(documentStream);
+    builder.metadata(myMetadata);
+    CreateDocumentResponse response = discoveryService.createDocument(builder.build()).execute();
+    RecordedRequest request = server.takeRequest();
+
+    assertEquals(DOCS1_PATH, request.getPath());
+    assertEquals(POST, request.getMethod());
+    assertEquals(createDocResp, response);
+  }
+
+  @Test
+  public void createDocumentFromInputStreamWithMediaTypeIsSuccessful() throws InterruptedException {
+    server.enqueue(jsonResponse(createDocResp));
+    String myDocumentJson = "{\"field\":\"value\"}";
+    JsonObject myMetadata = new JsonObject();
+    myMetadata.add("foo", new JsonPrimitive("bar"));
+    InputStream documentStream = new ByteArrayInputStream(myDocumentJson.getBytes());
+
+    CreateDocumentRequest.Builder builder = new CreateDocumentRequest.Builder(environmentId, collectionId);
+    builder.file(documentStream, HttpMediaType.APPLICATION_JSON);
+    builder.metadata(myMetadata);
+    CreateDocumentResponse response = discoveryService.createDocument(builder.build()).execute();
+    RecordedRequest request = server.takeRequest();
+
+    assertEquals(DOCS1_PATH, request.getPath());
+    assertEquals(POST, request.getMethod());
+    assertEquals(createDocResp, response);
+  }
+
+  @Test
+  public void createDocumentFromInputStreamWithFileNameAndMediaTypeIsSuccessful() throws InterruptedException {
+    server.enqueue(jsonResponse(createDocResp));
+    String fileName = "MyFileName";
+    String myDocumentJson = "{\"field\":\"value\"}";
+    JsonObject myMetadata = new JsonObject();
+    myMetadata.add("foo", new JsonPrimitive("bar"));
+    InputStream documentStream = new ByteArrayInputStream(myDocumentJson.getBytes());
+
+    CreateDocumentRequest.Builder builder = new CreateDocumentRequest.Builder(environmentId, collectionId);
+    builder.file(documentStream, fileName, HttpMediaType.APPLICATION_JSON);
+    builder.metadata(myMetadata);
+    CreateDocumentResponse response = discoveryService.createDocument(builder.build()).execute();
+    RecordedRequest request = server.takeRequest();
+
+    assertEquals(DOCS1_PATH, request.getPath());
+    assertEquals(POST, request.getMethod());
+    assertEquals(createDocResp, response);
+  }
+
+  @Test
+  public void createDocumentFromFileWithMediaTypeIsSuccessful() throws InterruptedException {
+    server.enqueue(jsonResponse(createDocResp));
+    String myDocumentJson = "{\"field\":\"value\"}";
+    JsonObject myMetadata = new JsonObject();
+    myMetadata.add("foo", new JsonPrimitive("bar"));
+
+    CreateDocumentRequest.Builder builder = new CreateDocumentRequest.Builder(environmentId, collectionId);
+
+    try {
+      File tempFile = File.createTempFile("CreateDocTest1", ".json");
+      tempFile.deleteOnExit();
+      BufferedWriter out = new BufferedWriter(new FileWriter(tempFile));
+      out.write(myDocumentJson);
+      out.close();
+
+      builder.file(tempFile, HttpMediaType.APPLICATION_JSON);
+      builder.metadata(myMetadata);
+      CreateDocumentResponse response = discoveryService.createDocument(builder.build()).execute();
+      RecordedRequest request = server.takeRequest();
+
+      assertEquals(DOCS1_PATH, request.getPath());
+      assertEquals(POST, request.getMethod());
+      assertEquals(createDocResp, response);
+    } catch (final IOException e) {
+      e.printStackTrace();
+    }
+  }
+
+  @Test
+  public void createDocumentFromFileIsSuccessful() throws InterruptedException {
+    server.enqueue(jsonResponse(createDocResp));
+    String myDocumentJson = "{\"field\":\"value\"}";
+    JsonObject myMetadata = new JsonObject();
+    myMetadata.add("foo", new JsonPrimitive("bar"));
+
+    CreateDocumentRequest.Builder builder = new CreateDocumentRequest.Builder(environmentId, collectionId);
+    try {
+      File tempFile = File.createTempFile("CreateDocTest2", ".json");
+      tempFile.deleteOnExit();
+      BufferedWriter out = new BufferedWriter(new FileWriter(tempFile));
+      out.write(myDocumentJson);
+      out.close();
+
+      builder.file(tempFile);
+      builder.metadata(myMetadata);
+      CreateDocumentResponse response = discoveryService.createDocument(builder.build()).execute();
+      RecordedRequest request = server.takeRequest();
+
+      assertEquals(DOCS1_PATH, request.getPath());
+      assertEquals(POST, request.getMethod());
+      assertEquals(createDocResp, response);
+    } catch (final IOException e) {
+      e.printStackTrace();
+    }
+  }
+
   @Test
   public void updateDocumentIsSuccessful() throws InterruptedException {
     server.enqueue(jsonResponse(updateDocResp));