diff --git a/src/routes/api/sync.js b/src/routes/api/sync.js
index c6da183c3..6441fa603 100644
--- a/src/routes/api/sync.js
+++ b/src/routes/api/sync.js
@@ -1,8 +1,5 @@
 "use strict";
 
-const express = require('express');
-const router = express.Router();
-const auth = require('../../services/auth');
 const sync = require('../../services/sync');
 const syncUpdate = require('../../services/sync_update');
 const sync_table = require('../../services/sync_table');
@@ -10,124 +7,111 @@ const sql = require('../../services/sql');
 const options = require('../../services/options');
 const content_hash = require('../../services/content_hash');
 const log = require('../../services/log');
-const wrap = require('express-promise-wrap').wrap;
 
-router.get('/check', auth.checkApiAuth, wrap(async (req, res, next) => {
-    res.send({
+async function checkSync() {
+    return {
         'hashes': await content_hash.getHashes(),
         'max_sync_id': await sql.getValue('SELECT MAX(id) FROM sync')
-    });
-}));
+    };
+}
 
-router.post('/now', auth.checkApiAuth, wrap(async (req, res, next) => {
-    res.send(await sync.sync());
-}));
+async function syncNow() {
+    return await sync.sync();
+}
 
-router.post('/fill-sync-rows', auth.checkApiAuth, wrap(async (req, res, next) => {
-    await sql.doInTransaction(async () => {
-        await sync_table.fillAllSyncRows();
-    });
+async function fillSyncRows() {
+    await sync_table.fillAllSyncRows();
 
     log.info("Sync rows have been filled.");
+}
 
-    res.send({});
-}));
-
-router.post('/force-full-sync', auth.checkApiAuth, wrap(async (req, res, next) => {
-    await sql.doInTransaction(async () => {
-        await options.setOption('last_synced_pull', 0);
-        await options.setOption('last_synced_push', 0);
-    });
+async function forceFullSync() {
+    await options.setOption('last_synced_pull', 0);
+    await options.setOption('last_synced_push', 0);
 
     log.info("Forcing full sync.");
 
     // not awaiting for the job to finish (will probably take a long time)
     sync.sync();
+}
 
-    res.send({});
-}));
-
-router.post('/force-note-sync/:noteId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function forceNoteSync(req) {
     const noteId = req.params.noteId;
 
-    await sql.doInTransaction(async () => {
-        await sync_table.addNoteSync(noteId);
+    await sync_table.addNoteSync(noteId);
 
-        for (const branchId of await sql.getColumn("SELECT branchId FROM branches WHERE isDeleted = 0 AND noteId = ?", [noteId])) {
-            await sync_table.addBranchSync(branchId);
-            await sync_table.addRecentNoteSync(branchId);
-        }
+    for (const branchId of await sql.getColumn("SELECT branchId FROM branches WHERE isDeleted = 0 AND noteId = ?", [noteId])) {
+        await sync_table.addBranchSync(branchId);
+        await sync_table.addRecentNoteSync(branchId);
+    }
 
-        for (const noteRevisionId of await sql.getColumn("SELECT noteRevisionId FROM note_revisions WHERE noteId = ?", [noteId])) {
-            await sync_table.addNoteRevisionsSync(noteRevisionId);
-        }
-    });
+    for (const noteRevisionId of await sql.getColumn("SELECT noteRevisionId FROM note_revisions WHERE noteId = ?", [noteId])) {
+        await sync_table.addNoteRevisionsSync(noteRevisionId);
+    }
 
     log.info("Forcing note sync for " + noteId);
 
     // not awaiting for the job to finish (will probably take a long time)
     sync.sync();
+}
 
-    res.send({});
-}));
-
-router.get('/changed', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getChanged() {
     const lastSyncId = parseInt(req.query.lastSyncId);
 
-    res.send(await sql.getRows("SELECT * FROM sync WHERE id > ?", [lastSyncId]));
-}));
+    return await sql.getRows("SELECT * FROM sync WHERE id > ?", [lastSyncId]);
+}
 
-router.get('/notes/:noteId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getNote(req) {
     const noteId = req.params.noteId;
     const entity = await sql.getRow("SELECT * FROM notes WHERE noteId = ?", [noteId]);
 
     sync.serializeNoteContentBuffer(entity);
 
-    res.send({
+    return {
         entity: entity
-    });
-}));
+    };
+}
 
-router.get('/branches/:branchId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getBranch(req) {
     const branchId = req.params.branchId;
 
-    res.send(await sql.getRow("SELECT * FROM branches WHERE branchId = ?", [branchId]));
-}));
+    return await sql.getRow("SELECT * FROM branches WHERE branchId = ?", [branchId]);
+}
 
-router.get('/note_revisions/:noteRevisionId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getNoteRevision(req) {
     const noteRevisionId = req.params.noteRevisionId;
 
-    res.send(await sql.getRow("SELECT * FROM note_revisions WHERE noteRevisionId = ?", [noteRevisionId]));
-}));
+    return await sql.getRow("SELECT * FROM note_revisions WHERE noteRevisionId = ?", [noteRevisionId]);
+}
 
-router.get('/options/:name', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getOption(req) {
     const name = req.params.name;
     const opt = await sql.getRow("SELECT * FROM options WHERE name = ?", [name]);
 
     if (!opt.isSynced) {
-        res.send("This option can't be synced.");
+        return [400, "This option can't be synced."];
     }
     else {
-        res.send(opt);
+        return opt;
     }
-}));
+}
 
-router.get('/note_reordering/:parentNoteId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getNoteReordering(req) {
     const parentNoteId = req.params.parentNoteId;
 
-    res.send({
+    return {
         parentNoteId: parentNoteId,
         ordering: await sql.getMap("SELECT branchId, notePosition FROM branches WHERE parentNoteId = ? AND isDeleted = 0", [parentNoteId])
-    });
-}));
+    };
+}
 
-router.get('/recent_notes/:branchId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getRecentNote(req) {
     const branchId = req.params.branchId;
 
-    res.send(await sql.getRow("SELECT * FROM recent_notes WHERE branchId = ?", [branchId]));
-}));
+    return await sql.getRow("SELECT * FROM recent_notes WHERE branchId = ?", [branchId]);
+}
 
-router.get('/images/:imageId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getImage(req) {
     const imageId = req.params.imageId;
     const entity = await sql.getRow("SELECT * FROM images WHERE imageId = ?", [imageId]);
 
@@ -135,85 +119,92 @@ router.get('/images/:imageId', auth.checkApiAuth, wrap(async (req, res, next) =>
         entity.data = entity.data.toString('base64');
     }
 
-    res.send(entity);
-}));
+    return entity;
+}
 
-router.get('/note_images/:noteImageId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getNoteImage(req) {
     const noteImageId = req.params.noteImageId;
 
-    res.send(await sql.getRow("SELECT * FROM note_images WHERE noteImageId = ?", [noteImageId]));
-}));
+    return await sql.getRow("SELECT * FROM note_images WHERE noteImageId = ?", [noteImageId]);
+}
 
-router.get('/labels/:labelId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getLabel(req) {
     const labelId = req.params.labelId;
 
-    res.send(await sql.getRow("SELECT * FROM labels WHERE labelId = ?", [labelId]));
-}));
+    return await sql.getRow("SELECT * FROM labels WHERE labelId = ?", [labelId]);
+}
 
-router.get('/api_tokens/:apiTokenId', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function getApiToken(req) {
     const apiTokenId = req.params.apiTokenId;
 
-    res.send(await sql.getRow("SELECT * FROM api_tokens WHERE apiTokenId = ?", [apiTokenId]));
-}));
+    return await sql.getRow("SELECT * FROM api_tokens WHERE apiTokenId = ?", [apiTokenId]);
+}
 
-router.put('/notes', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateNote(req) {
     await syncUpdate.updateNote(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/branches', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateBranch(req) {
     await syncUpdate.updateBranch(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/note_revisions', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateNoteRevision(req) {
     await syncUpdate.updateNoteRevision(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/note_reordering', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateNoteReordering(req) {
     await syncUpdate.updateNoteReordering(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/options', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateOption(req) {
     await syncUpdate.updateOptions(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/recent_notes', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateRecentNote(req) {
     await syncUpdate.updateRecentNotes(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/images', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateImage(req) {
     await syncUpdate.updateImage(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/note_images', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateNoteImage(req) {
     await syncUpdate.updateNoteImage(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/labels', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateLabel(req) {
     await syncUpdate.updateLabel(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-router.put('/api_tokens', auth.checkApiAuth, wrap(async (req, res, next) => {
+async function updateApiToken(req) {
     await syncUpdate.updateApiToken(req.body.entity, req.body.sourceId);
+}
 
-    res.send({});
-}));
-
-module.exports = router;
\ No newline at end of file
+module.exports = {
+    checkSync,
+    syncNow,
+    fillSyncRows,
+    forceFullSync,
+    forceNoteSync,
+    getChanged,
+    getNote,
+    getBranch,
+    getImage,
+    getNoteImage,
+    getNoteReordering,
+    getNoteRevision,
+    getRecentNote,
+    getOption,
+    getLabel,
+    getApiToken,
+    updateNote,
+    updateBranch,
+    updateImage,
+    updateNoteImage,
+    updateNoteReordering,
+    updateNoteRevision,
+    updateRecentNote,
+    updateOption,
+    updateLabel,
+    updateApiToken
+};
\ No newline at end of file
diff --git a/src/routes/routes.js b/src/routes/routes.js
index cb53f458c..fef767357 100644
--- a/src/routes/routes.js
+++ b/src/routes/routes.js
@@ -120,7 +120,32 @@ function register(app) {
 
     apiRoute(POST, '/api/password/change', passwordApiRoute.changePassword);
 
-    app.use('/api/sync', syncApiRoute);
+    apiRoute(GET, '/api/sync/check', syncApiRoute.checkSync);
+    apiRoute(POST, '/api/sync/now', syncApiRoute.syncNow);
+    apiRoute(POST, '/api/sync/fill-sync-rows', syncApiRoute.fillSyncRows);
+    apiRoute(POST, '/api/sync/force-full-sync', syncApiRoute.forceFullSync);
+    apiRoute(POST, '/api/sync/force-note-sync/:noteId', syncApiRoute.forceNoteSync);
+    apiRoute(GET, '/api/sync/changed', syncApiRoute.getChanged);
+    apiRoute(GET, '/api/sync/notes/:noteId', syncApiRoute.getNote);
+    apiRoute(GET, '/api/sync/branches/:branchId', syncApiRoute.getBranch);
+    apiRoute(GET, '/api/sync/note_revisions/:noteRevisionId', syncApiRoute.getNoteRevision);
+    apiRoute(GET, '/api/sync/options/:name', syncApiRoute.getOption);
+    apiRoute(GET, '/api/sync/note_reordering/:parentNoteId', syncApiRoute.getNoteReordering);
+    apiRoute(GET, '/api/sync/recent_notes/:branchId', syncApiRoute.getRecentNote);
+    apiRoute(GET, '/api/sync/images/:imageId', syncApiRoute.getImage);
+    apiRoute(GET, '/api/sync/note_images/:noteImageId', syncApiRoute.getNoteImage);
+    apiRoute(GET, '/api/sync/labels/:labelId', syncApiRoute.getLabel);
+    apiRoute(GET, '/api/sync/api_tokens/:apiTokenId', syncApiRoute.getApiToken);
+    apiRoute(PUT, '/api/sync/notes', syncApiRoute.updateNote);
+    apiRoute(PUT, '/api/sync/note_revisions', syncApiRoute.updateNoteRevision);
+    apiRoute(PUT, '/api/sync/note_reordering', syncApiRoute.updateNoteReordering);
+    apiRoute(PUT, '/api/sync/options', syncApiRoute.updateOption);
+    apiRoute(PUT, '/api/sync/recent_notes', syncApiRoute.updateRecentNote);
+    apiRoute(PUT, '/api/sync/images', syncApiRoute.updateImage);
+    apiRoute(PUT, '/api/sync/note_images', syncApiRoute.updateNoteImage);
+    apiRoute(PUT, '/api/sync/labels', syncApiRoute.updateLabel);
+    apiRoute(PUT, '/api/sync/api_tokens', syncApiRoute.updateApiToken);
+
     app.use('/api/login', loginApiRoute);
     app.use('/api/event-log', eventLogRoute);
     app.use('/api/recent-notes', recentNotesRoute);