diff --git a/src/engine/Server.cpp b/src/engine/Server.cpp
index d9d1547a38..dd7a606b59 100644
--- a/src/engine/Server.cpp
+++ b/src/engine/Server.cpp
@@ -314,6 +314,10 @@ Awaitable<void> Server::process(
   } else if (auto cmd = checkParameter("cmd", "get-settings")) {
     logCommand(cmd, "get server settings");
     response = createJsonResponse(RuntimeParameters().toMap(), request);
+  } else if (auto cmd = checkParameter("cmd", "get-index-id")) {
+    logCommand(cmd, "get index ID");
+    response = createOkResponse(index_.getIndexId(), request,
+                                ad_utility::MediaType::textPlain);
   }
 
   // Ping with or without messsage.
diff --git a/src/index/Index.cpp b/src/index/Index.cpp
index d5ef9071ed..92e59337d2 100644
--- a/src/index/Index.cpp
+++ b/src/index/Index.cpp
@@ -281,6 +281,9 @@ const std::string& Index::getTextName() const { return pimpl_->getTextName(); }
 // ____________________________________________________________________________
 const std::string& Index::getKbName() const { return pimpl_->getKbName(); }
 
+// ____________________________________________________________________________
+const std::string& Index::getIndexId() const { return pimpl_->getIndexId(); }
+
 // ____________________________________________________________________________
 Index::NumNormalAndInternal Index::numTriples() const {
   return pimpl_->numTriples();
diff --git a/src/index/Index.h b/src/index/Index.h
index a25766112b..f9a009f5cf 100644
--- a/src/index/Index.h
+++ b/src/index/Index.h
@@ -239,6 +239,8 @@ class Index {
 
   const std::string& getKbName() const;
 
+  const std::string& getIndexId() const;
+
   NumNormalAndInternal numTriples() const;
 
   size_t getNofTextRecords() const;
diff --git a/src/index/IndexImpl.cpp b/src/index/IndexImpl.cpp
index b04835c589..b6f68438e1 100644
--- a/src/index/IndexImpl.cpp
+++ b/src/index/IndexImpl.cpp
@@ -897,6 +897,14 @@ void IndexImpl::readConfiguration() {
   loadRequestedDataMember("num-subjects-normal", numSubjectsNormal_);
   loadRequestedDataMember("num-objects-normal", numObjectsNormal_);
   loadRequestedDataMember("num-triples-normal", numTriplesNormal_);
+
+  // Compute unique ID for this index.
+  //
+  // TODO: This is a simplistic way. It would be better to incorporate bytes
+  // from the index files.
+  indexId_ = absl::StrCat("#", getKbName(), ".", numTriplesNormal_, ".",
+                          numSubjectsNormal_, ".", numPredicatesNormal_, ".",
+                          numObjectsNormal_);
 }
 
 // ___________________________________________________________________________
diff --git a/src/index/IndexImpl.h b/src/index/IndexImpl.h
index fae83d376d..2280923a3c 100644
--- a/src/index/IndexImpl.h
+++ b/src/index/IndexImpl.h
@@ -146,6 +146,7 @@ class IndexImpl {
   size_t numPredicatesNormal_ = 0;
   size_t numObjectsNormal_ = 0;
   size_t numTriplesNormal_ = 0;
+  string indexId_;
   /**
    * @brief Maps pattern ids to sets of predicate ids.
    */
@@ -387,6 +388,8 @@ class IndexImpl {
 
   const string& getKbName() const { return pso_.metaData().getName(); }
 
+  const string& getIndexId() const { return indexId_; }
+
   size_t getNofTextRecords() const { return textMeta_.getNofTextRecords(); }
   size_t getNofWordPostings() const { return textMeta_.getNofWordPostings(); }
   size_t getNofEntityPostings() const {