diff --git a/PartSource.Api/Controllers/ErrorController.cs b/PartSource.Api/Controllers/ErrorController.cs
index 4773f30..dca9e39 100644
--- a/PartSource.Api/Controllers/ErrorController.cs
+++ b/PartSource.Api/Controllers/ErrorController.cs
@@ -12,8 +12,10 @@ namespace PartSource.Api.Controllers
     [Route("[controller]")]
     public class ErrorController : ControllerBase
     {
+        [HttpGet]
         [Route("")]
         [AllowAnonymous]
+
         public ActionResult Get()
         {
             IExceptionHandlerPathFeature exceptionFeature = HttpContext.Features.Get<IExceptionHandlerPathFeature>();
diff --git a/PartSource.Api/Controllers/InventoryController.cs b/PartSource.Api/Controllers/InventoryController.cs
index dd2847a..ef7fc59 100644
--- a/PartSource.Api/Controllers/InventoryController.cs
+++ b/PartSource.Api/Controllers/InventoryController.cs
@@ -7,6 +7,7 @@ using System.Threading.Tasks;
 namespace PartSource.Api.Controllers
 {
     [Route("[controller]")]
+    [Route("v1/[controller]")]
     [ApiController]
     public class InventoryController : BaseNexpartController
     {
@@ -21,7 +22,7 @@ namespace PartSource.Api.Controllers
         [Route("sku/{sku}/storeNumber/{storeNumber}")]
         public async Task<ActionResult> GetInventory(int sku, int storeNumber)
         {
-            PartsAvailability inventory = _inventoryService.GetInventory(sku, storeNumber);
+            PartsAvailability inventory = await _inventoryService.GetInventory(sku, storeNumber);
 
             if (inventory == null)
             {
diff --git a/PartSource.Api/Controllers/LegacyVehiclesController.cs b/PartSource.Api/Controllers/LegacyVehiclesController.cs
index 6bbfd28..b90fe43 100644
--- a/PartSource.Api/Controllers/LegacyVehiclesController.cs
+++ b/PartSource.Api/Controllers/LegacyVehiclesController.cs
@@ -17,8 +17,8 @@ namespace PartSource.Api.Controllers
     /// <summary>
     /// This controller exists to enable legacy support for the old Nexpart-based vehicle lookup.
     /// </summary>
-    [Obsolete]
     [Route("vehicles")]
+    [Route("v1/vehicles")]
     [ApiController]
     public class LegacyVehiclesController : BaseNexpartController
     {
diff --git a/PartSource.Services/PartService.cs b/PartSource.Services/PartService.cs
index 0f549bb..6c5335c 100644
--- a/PartSource.Services/PartService.cs
+++ b/PartSource.Services/PartService.cs
@@ -1,9 +1,11 @@
-using PartSource.Data;
+using Microsoft.EntityFrameworkCore;
+using PartSource.Data;
 using PartSource.Data.Dtos;
 using PartSource.Data.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 
 namespace PartSource.Services
 {
@@ -27,9 +29,9 @@ namespace PartSource.Services
             return _context.Parts.FirstOrDefault(p => p.Sku == sku);
         }
 
-        public PartsAvailability GetInventory(int sku, int storeNumber)
+        public async Task<PartsAvailability> GetInventory(int sku, int storeNumber)
         {
-            return _context.PartAvailabilities.FirstOrDefault(s => s.Store == storeNumber && s.SKU == sku);
+            return await _context.PartAvailabilities.FirstOrDefaultAsync(s => s.Store == storeNumber && s.SKU == sku);
         }
 
         public IList<Fitment> GetFitments(FitmentSearchDto fitmentSearchDto)