diff --git a/src/KArtSell.Host/Features/ShadowRun/Request.cs b/src/KArtSell.Host/Features/ShadowRun/Request.cs
index c5415ffa..8ede0b25 100644
--- a/src/KArtSell.Host/Features/ShadowRun/Request.cs
+++ b/src/KArtSell.Host/Features/ShadowRun/Request.cs
@@ -1,10 +1,16 @@
+using System.Text.Json.Serialization;
+
 namespace KArtSell.Host.Features.ShadowRun;
 
 /// <summary>
 /// Initiate a 252+ trading-day model validation run.
 /// </summary>
 public sealed record InitiateShadowRunRequest(
+    [property: JsonPropertyName("modelId")]
     Guid ModelId,
+    [property: JsonPropertyName("windowStart")]
     DateOnly WindowStart,
+    [property: JsonPropertyName("windowEnd")]
     DateOnly WindowEnd,
+    [property: JsonPropertyName("phaseFilter")]
     string PhaseFilter = "All");