diff --git a/typescript/packages/x402/src/verify/useFacilitator.ts b/typescript/packages/x402/src/verify/useFacilitator.ts
index 518f409..ca24554 100644
--- a/typescript/packages/x402/src/verify/useFacilitator.ts
+++ b/typescript/packages/x402/src/verify/useFacilitator.ts
@@ -61,8 +61,14 @@ export function useFacilitator(facilitator?: FacilitatorConfig) {
       throw new Error(`Failed to verify payment: ${res.statusText}`);
     }
 
-    const data = await res.json();
-    return data as VerifyResponse;
+    let data: VerifyResponse;
+    try {
+      data = await res.json();
+    } catch (error) {
+      const message = error instanceof Error ? error.message : String(error);
+      throw new Error(`Failed to parse verify response as JSON: ${message}. Response status: ${res.status}`);
+    }
+    return data;
   }
 
   /**
@@ -99,8 +105,14 @@ export function useFacilitator(facilitator?: FacilitatorConfig) {
       throw new Error(`Failed to settle payment: ${res.status} ${text}`);
     }
 
-    const data = await res.json();
-    return data as SettleResponse;
+    let data: SettleResponse;
+    try {
+      data = await res.json();
+    } catch (error) {
+      const message = error instanceof Error ? error.message : String(error);
+      throw new Error(`Failed to parse settle response as JSON: ${message}. Response status: ${res.status}`);
+    }
+    return data;
   }
 
   /**
@@ -126,8 +138,14 @@ export function useFacilitator(facilitator?: FacilitatorConfig) {
       throw new Error(`Failed to get supported payment kinds: ${res.statusText}`);
     }
 
-    const data = await res.json();
-    return data as SupportedPaymentKindsResponse;
+    let data: SupportedPaymentKindsResponse;
+    try {
+      data = await res.json();
+    } catch (error) {
+      const message = error instanceof Error ? error.message : String(error);
+      throw new Error(`Failed to parse supported payment kinds response as JSON: ${message}. Response status: ${res.status}`);
+    }
+    return data;
   }
 
   /**
@@ -165,8 +183,14 @@ export function useFacilitator(facilitator?: FacilitatorConfig) {
       throw new Error(`Failed to list discovery: ${res.status} ${text}`);
     }
 
-    const data = await res.json();
-    return data as ListDiscoveryResourcesResponse;
+    let data: ListDiscoveryResourcesResponse;
+    try {
+      data = await res.json();
+    } catch (error) {
+      const message = error instanceof Error ? error.message : String(error);
+      throw new Error(`Failed to parse discovery list response as JSON: ${message}. Response status: ${res.status}`);
+    }
+    return data;
   }
 
   return { verify, settle, supported, list };