diff --git a/src/routes/insurance.ts b/src/routes/insurance.ts
index 340be0d..e41eb16 100644
--- a/src/routes/insurance.ts
+++ b/src/routes/insurance.ts
@@ -80,7 +80,7 @@ export function insuranceRoutes(): Hono {
       logger.error("Error fetching insurance data", { slab, error: truncateErrorMessage(err instanceof Error ? err.message : String(err), 120) });
       return c.json({ 
         error: "Failed to fetch insurance data",
-        ...(process.env.NODE_ENV !== "production" && { details: err instanceof Error ? err.message : String(err) })
+        ...(process.env.NODE_ENV !== "production" && { details: truncateErrorMessage(err instanceof Error ? err.message : String(err), 200) })
       }, 500);
     }
   });
diff --git a/src/routes/open-interest.ts b/src/routes/open-interest.ts
index e0bbd91..2dfc4eb 100644
--- a/src/routes/open-interest.ts
+++ b/src/routes/open-interest.ts
@@ -112,7 +112,7 @@ export function openInterestRoutes(): Hono {
       logger.error("Error fetching OI data", { slab, error: truncateErrorMessage(err instanceof Error ? err.message : String(err), 120) });
       return c.json({ 
         error: "Failed to fetch open interest data",
-        ...(process.env.NODE_ENV !== "production" && { details: err instanceof Error ? err.message : String(err) })
+        ...(process.env.NODE_ENV !== "production" && { details: truncateErrorMessage(err instanceof Error ? err.message : String(err), 200) })
       }, 500);
     }
   });
diff --git a/src/routes/stats.ts b/src/routes/stats.ts
index aaee4fc..8c971a9 100644
--- a/src/routes/stats.ts
+++ b/src/routes/stats.ts
@@ -91,7 +91,7 @@ export function statsRoutes(): Hono {
       logger.error("Error fetching platform stats", { error: truncateErrorMessage(err instanceof Error ? err.message : String(err), 120) });
       return c.json({ 
         error: "Failed to fetch platform statistics",
-        ...(process.env.NODE_ENV !== "production" && { details: err instanceof Error ? err.message : String(err) })
+        ...(process.env.NODE_ENV !== "production" && { details: truncateErrorMessage(err instanceof Error ? err.message : String(err), 200) })
       }, 500);
     }
   });