diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchRootResource.java b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchRootResource.java
index 5f57d1bcc8..431e39e759 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchRootResource.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchRootResource.java
@@ -5,6 +5,7 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 import com.webcohesion.enunciate.metadata.rs.TypeHint;
 import sonia.scm.NotFoundException;
 import sonia.scm.PageResult;
+import sonia.scm.repository.Branch;
 import sonia.scm.repository.Branches;
 import sonia.scm.repository.Changeset;
 import sonia.scm.repository.ChangesetPagingResult;
@@ -26,6 +27,7 @@ import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.Response;
 import java.io.IOException;
+import java.util.List;
 
 public class BranchRootResource {
 
@@ -124,6 +126,49 @@ public class BranchRootResource {
     }
   }
 
+  @Path("{branch}/diffchangesets/{otherBranchName}")
+  @GET
+  @StatusCodes({
+    @ResponseCode(code = 200, condition = "success"),
+    @ResponseCode(code = 401, condition = "not authenticated / invalid credentials"),
+    @ResponseCode(code = 403, condition = "not authorized, the current user has no privileges to read the changeset"),
+    @ResponseCode(code = 404, condition = "not found, no changesets available in the repository"),
+    @ResponseCode(code = 500, condition = "internal server error")
+  })
+  @Produces(VndMediaType.CHANGESET_COLLECTION)
+  @TypeHint(CollectionDto.class)
+  public Response changesetDiff(@PathParam("namespace") String namespace,
+                          @PathParam("name") String name,
+                          @PathParam("branch") String branchName,
+                          @PathParam("otherBranchName") String otherBranchName,
+                          @DefaultValue("0") @QueryParam("page") int page,
+                          @DefaultValue("10") @QueryParam("pageSize") int pageSize) throws Exception {
+    try (RepositoryService repositoryService = serviceFactory.create(new NamespaceAndName(namespace, name))) {
+      List<Branch> allBranches = repositoryService.getBranchesCommand().getBranches().getBranches();
+      if (allBranches.stream().noneMatch(branch -> branchName.equals(branch.getName()))) {
+        throw new NotFoundException("branch", branchName);
+      }
+      if (allBranches.stream().noneMatch(branch -> otherBranchName.equals(branch.getName()))) {
+        throw new NotFoundException("branch", otherBranchName);
+      }
+      Repository repository = repositoryService.getRepository();
+      RepositoryPermissions.read(repository).check();
+      ChangesetPagingResult changesets = new PagedLogCommandBuilder(repositoryService)
+        .page(page)
+        .pageSize(pageSize)
+        .create()
+        .setBranch(branchName)
+        .setAncestorChangeset(otherBranchName)
+        .getChangesets();
+      if (changesets != null && changesets.getChangesets() != null) {
+        PageResult<Changeset> pageResult = new PageResult<>(changesets.getChangesets(), changesets.getTotal());
+        return Response.ok(branchChangesetCollectionToDtoMapper.map(page, pageSize, pageResult, repository, branchName)).build();
+      } else {
+        return Response.ok().build();
+      }
+    }
+  }
+
   /**
    * Returns the branches for a repository.
    *
diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchToBranchDtoMapper.java b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchToBranchDtoMapper.java
index 7ab3ef25a8..8167e28f9a 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchToBranchDtoMapper.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/BranchToBranchDtoMapper.java
@@ -28,6 +28,7 @@ public abstract class BranchToBranchDtoMapper {
     Links.Builder linksBuilder = linkingTo()
       .self(resourceLinks.branch().self(namespaceAndName, target.getName()))
       .single(linkBuilder("history", resourceLinks.branch().history(namespaceAndName, target.getName())).build())
+      .single(linkBuilder("changesetDiff", resourceLinks.branch().changesetDiff(namespaceAndName, target.getName())).build())
       .single(linkBuilder("changeset", resourceLinks.changeset().changeset(namespaceAndName.getNamespace(), namespaceAndName.getName(), target.getRevision())).build())
       .single(linkBuilder("source", resourceLinks.source().self(namespaceAndName.getNamespace(), namespaceAndName.getName(), target.getRevision())).build());
     target.add(linksBuilder.build());
diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/ResourceLinks.java b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/ResourceLinks.java
index 1b397480a4..970166257a 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/ResourceLinks.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/ResourceLinks.java
@@ -322,6 +322,10 @@ class ResourceLinks {
     public String history(NamespaceAndName namespaceAndName, String branch) {
       return branchLinkBuilder.method("getRepositoryResource").parameters(namespaceAndName.getNamespace(), namespaceAndName.getName()).method("branches").parameters().method("history").parameters(branch).href();
     }
+
+    public String changesetDiff(NamespaceAndName namespaceAndName, String branch) {
+      return branchLinkBuilder.method("getRepositoryResource").parameters(namespaceAndName.getNamespace(), namespaceAndName.getName()).method("branches").parameters().method("changesetDiff").parameters(branch, "").href() + "{otherBranch}";
+    }
   }
 
   public BranchCollectionLinks branchCollection() {