diff --git a/src/main/java/edu/harvard/iq/dataverse/FileDownloadServiceBean.java b/src/main/java/edu/harvard/iq/dataverse/FileDownloadServiceBean.java
index 5c490b18ecc..f5bb60510cc 100644
--- a/src/main/java/edu/harvard/iq/dataverse/FileDownloadServiceBean.java
+++ b/src/main/java/edu/harvard/iq/dataverse/FileDownloadServiceBean.java
@@ -574,7 +574,6 @@ public String getDirectStorageLocatrion(String storageLocation) {
     }
 
     /**
-     *
      * Checks if a user can download a file based on the file metadata and the permissions of the user
      *
      * This method is based on {@link edu.harvard.iq.dataverse.FileDownloadHelper#canDownloadFile(FileMetadata),
diff --git a/src/main/java/edu/harvard/iq/dataverse/api/Files.java b/src/main/java/edu/harvard/iq/dataverse/api/Files.java
index 341fb94e086..d4bf28482c9 100644
--- a/src/main/java/edu/harvard/iq/dataverse/api/Files.java
+++ b/src/main/java/edu/harvard/iq/dataverse/api/Files.java
@@ -106,7 +106,6 @@ public class Files extends AbstractApiBean {
     MakeDataCountLoggingServiceBean mdcLogService;
     @Inject
     GuestbookResponseServiceBean guestbookResponseService;
-
     @Inject
     FileDownloadServiceBean fileDownloadServiceBean;
 
@@ -828,18 +827,26 @@ public Response getFixityAlgorithm() {
 
     @GET
     @Path("{id}/guestbookResponses/count")
-    public Response getCountGuestbookResponsesByDataFileId(@PathParam("id") long dataFileId) {
+    public Response getCountGuestbookResponses(@PathParam("id") String dataFileId) {
+        DataFile dataFile;
         try {
-            return ok(guestbookResponseService.getCountGuestbookResponsesByDataFileId(dataFileId).toString());
-        } catch (NumberFormatException nfe) {
-            return badRequest("File identifier has to be numeric.");
+            dataFile = findDataFileOrDie(dataFileId);
+        } catch (WrappedResponse wr) {
+            return wr.getResponse();
         }
+        return ok(guestbookResponseService.getCountGuestbookResponsesByDataFileId(dataFile.getId()).toString());
     }
 
     @GET
     @AuthRequired
     @Path("{id}/canBeDownloaded")
-    public Response canDataFileBeDownloaded(@Context ContainerRequestContext crc, @PathParam("id") long dataFileId) {
-        return ok(fileDownloadServiceBean.canDownloadFile(getRequestUser(crc), fileSvc.find(dataFileId).getFileMetadata()));
+    public Response canFileBeDownloaded(@Context ContainerRequestContext crc, @PathParam("id") String dataFileId) {
+        DataFile dataFile;
+        try {
+            dataFile = findDataFileOrDie(dataFileId);
+        } catch (WrappedResponse wr) {
+            return wr.getResponse();
+        }
+        return ok(fileDownloadServiceBean.canDownloadFile(getRequestUser(crc), dataFile.getFileMetadata()));
     }
 }
diff --git a/src/test/java/edu/harvard/iq/dataverse/api/FilesIT.java b/src/test/java/edu/harvard/iq/dataverse/api/FilesIT.java
index 033ebe25062..8cdc52be1d0 100644
--- a/src/test/java/edu/harvard/iq/dataverse/api/FilesIT.java
+++ b/src/test/java/edu/harvard/iq/dataverse/api/FilesIT.java
@@ -2020,7 +2020,7 @@ public void testDeleteFile() {
     }
 
     @Test
-    public void testGetCountGuestbookResponsesByDataFileId() {
+    public void testGetCountGuestbookResponses() {
         Response createUser = UtilIT.createRandomUser();
         createUser.then().assertThat().statusCode(OK.getStatusCode());
         String apiToken = UtilIT.getApiTokenFromResponse(createUser);
@@ -2043,20 +2043,20 @@ public void testGetCountGuestbookResponsesByDataFileId() {
         UtilIT.publishDatasetViaNativeApi(datasetId, "major", apiToken).then().assertThat().statusCode(OK.getStatusCode());
 
         // Download test file
-        Integer testFileId = JsonPath.from(uploadResponse.body().asString()).getInt("data.files[0].dataFile.id");
+        int testFileId = JsonPath.from(uploadResponse.body().asString()).getInt("data.files[0].dataFile.id");
 
         Response downloadResponse = UtilIT.downloadFile(testFileId, apiToken);
         downloadResponse.then().assertThat().statusCode(OK.getStatusCode());
 
         // Get count guestbook responses and assert it is 1
-        Response getGuestbookResponsesByDataFileIdResponse = UtilIT.getCountGuestbookResponsesByDataFileId(testFileId, apiToken);
-        getGuestbookResponsesByDataFileIdResponse.then().assertThat()
+        Response getCountGuestbookResponsesResponse = UtilIT.getCountGuestbookResponses(testFileId, apiToken);
+        getCountGuestbookResponsesResponse.then().assertThat()
                 .statusCode(OK.getStatusCode())
                 .body("data.message", equalTo("1"));
     }
 
     @Test
-    public void testCanDataFileBeDownloaded() {
+    public void testCanFileBeDownloaded() {
         Response createUser = UtilIT.createRandomUser();
         createUser.then().assertThat().statusCode(OK.getStatusCode());
         String apiToken = UtilIT.getApiTokenFromResponse(createUser);
@@ -2079,11 +2079,11 @@ public void testCanDataFileBeDownloaded() {
         UtilIT.publishDatasetViaNativeApi(datasetId, "major", apiToken).then().assertThat().statusCode(OK.getStatusCode());
 
         // Assert user can download test file
-        Integer testFileId = JsonPath.from(uploadResponse.body().asString()).getInt("data.files[0].dataFile.id");
-        Response canDataFileBeDownloadedResponse = UtilIT.canDataFileBeDownloaded(testFileId, apiToken);
+        int testFileId = JsonPath.from(uploadResponse.body().asString()).getInt("data.files[0].dataFile.id");
+        Response canFileBeDownloadedResponse = UtilIT.canFileBeDownloaded(testFileId, apiToken);
 
-        canDataFileBeDownloadedResponse.then().assertThat().statusCode(OK.getStatusCode());
-        boolean canDownloadTestFile = JsonPath.from(canDataFileBeDownloadedResponse.body().asString()).getBoolean("data");
-        assertTrue(canDownloadTestFile);
+        canFileBeDownloadedResponse.then().assertThat().statusCode(OK.getStatusCode());
+        boolean canFileBeDownloaded = JsonPath.from(canFileBeDownloadedResponse.body().asString()).getBoolean("data");
+        assertTrue(canFileBeDownloaded);
     }
 }
diff --git a/src/test/java/edu/harvard/iq/dataverse/api/UtilIT.java b/src/test/java/edu/harvard/iq/dataverse/api/UtilIT.java
index 4745cc7d2eb..4f2ab3146ef 100644
--- a/src/test/java/edu/harvard/iq/dataverse/api/UtilIT.java
+++ b/src/test/java/edu/harvard/iq/dataverse/api/UtilIT.java
@@ -1,6 +1,5 @@
 package edu.harvard.iq.dataverse.api;
 
-import com.jayway.restassured.RestAssured;
 import com.jayway.restassured.http.ContentType;
 import com.jayway.restassured.path.json.JsonPath;
 import com.jayway.restassured.response.Response;
@@ -12,8 +11,6 @@
 import javax.json.JsonObjectBuilder;
 import javax.json.JsonArrayBuilder;
 import javax.json.JsonObject;
-import javax.ws.rs.client.Client;
-import javax.ws.rs.client.ClientBuilder;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Paths;
@@ -44,7 +41,6 @@
 import static com.jayway.restassured.path.xml.XmlPath.from;
 import static com.jayway.restassured.RestAssured.given;
 import edu.harvard.iq.dataverse.DatasetField;
-import edu.harvard.iq.dataverse.DatasetFieldConstant;
 import edu.harvard.iq.dataverse.DatasetFieldType;
 import edu.harvard.iq.dataverse.DatasetFieldValue;
 import edu.harvard.iq.dataverse.util.StringUtil;
@@ -3270,13 +3266,13 @@ static Response createAndUploadTestFile(String persistentId, String testFileName
         return uploadZipFileViaSword(persistentId, pathToTestFile, apiToken);
     }
 
-    static Response getCountGuestbookResponsesByDataFileId(Integer dataFileId, String apiToken) {
+    static Response getCountGuestbookResponses(int dataFileId, String apiToken) {
         return given()
                 .header(API_TOKEN_HTTP_HEADER, apiToken)
                 .get("/api/files/" + dataFileId + "/guestbookResponses/count");
     }
 
-    static Response canDataFileBeDownloaded(Integer dataFileId, String apiToken) {
+    static Response canFileBeDownloaded(int dataFileId, String apiToken) {
         return given()
                 .header(API_TOKEN_HTTP_HEADER, apiToken)
                 .get("/api/files/" + dataFileId + "/canBeDownloaded");