diff --git a/src/main/java/org/qortal/api/resource/ArbitraryResource.java b/src/main/java/org/qortal/api/resource/ArbitraryResource.java
index 1e243c51..9a2fceaa 100644
--- a/src/main/java/org/qortal/api/resource/ArbitraryResource.java
+++ b/src/main/java/org/qortal/api/resource/ArbitraryResource.java
@@ -1119,6 +1119,36 @@ public class ArbitraryResource {
 	}
 
 
+	@POST
+	@Path("/resources/cache/rebuild")
+	@Operation(
+			summary = "Rebuild arbitrary resources cache from transactions",
+			responses = {
+					@ApiResponse(
+							description = "true on success",
+							content = @Content(
+									mediaType = MediaType.TEXT_PLAIN,
+									schema = @Schema(
+											type = "boolean"
+									)
+							)
+					)
+			}
+	)
+	@SecurityRequirement(name = "apiKey")
+	public String rebuildCache(@HeaderParam(Security.API_KEY_HEADER) String apiKey) {
+		Security.checkApiCallAllowed(request);
+
+		try (final Repository repository = RepositoryManager.getRepository()) {
+			RepositoryManager.buildArbitraryResourcesCache(repository, true);
+
+			return "true";
+		} catch (DataException e) {
+			throw ApiExceptionFactory.INSTANCE.createCustomException(request, ApiError.REPOSITORY_ISSUE, e.getMessage());
+		}
+	}
+
+
 	// Shared methods
 
 	private String preview(String directoryPath, Service service) {
diff --git a/src/main/java/org/qortal/controller/Controller.java b/src/main/java/org/qortal/controller/Controller.java
index e4944a66..1de6f776 100644
--- a/src/main/java/org/qortal/controller/Controller.java
+++ b/src/main/java/org/qortal/controller/Controller.java
@@ -403,7 +403,7 @@ public class Controller extends Thread {
 			RepositoryManager.setRequestedCheckpoint(Boolean.TRUE);
 
 			try (final Repository repository = RepositoryManager.getRepository()) {
-				RepositoryManager.buildInitialArbitraryResourcesCache(repository);
+				RepositoryManager.buildArbitraryResourcesCache(repository, false);
 			}
 		}
 		catch (DataException e) {
diff --git a/src/main/java/org/qortal/repository/RepositoryManager.java b/src/main/java/org/qortal/repository/RepositoryManager.java
index 404b6b34..e4a287c0 100644
--- a/src/main/java/org/qortal/repository/RepositoryManager.java
+++ b/src/main/java/org/qortal/repository/RepositoryManager.java
@@ -64,7 +64,7 @@ public abstract class RepositoryManager {
 		}
 	}
 
-	public static boolean buildInitialArbitraryResourcesCache(Repository repository) throws DataException {
+	public static boolean buildArbitraryResourcesCache(Repository repository, boolean forceRebuild) throws DataException {
 		if (Settings.getInstance().isLite()) {
 			// Lite nodes have no blockchain
 			return false;
@@ -73,7 +73,7 @@ public abstract class RepositoryManager {
 		try {
 			// Check if QDNResources table is empty
 			List<ArbitraryResourceData> resources = repository.getArbitraryRepository().getArbitraryResources(10, 0, false);
-			if (!resources.isEmpty()) {
+			if (!resources.isEmpty() && !forceRebuild) {
 				// Resources exist in the cache, so assume complete.
 				// We avoid checkpointing and prevent the node from starting up in the case of a rebuild failure, so
 				// we shouldn't ever be left in a partially rebuilt state.