diff --git a/.changeset/dirty-cougars-teach.md b/.changeset/dirty-cougars-teach.md
new file mode 100644
index 00000000000..311826abb1d
--- /dev/null
+++ b/.changeset/dirty-cougars-teach.md
@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Fix use of purchaseData in payment links
diff --git a/apps/dashboard/src/@/api/universal-bridge/links.ts b/apps/dashboard/src/@/api/universal-bridge/links.ts
index 68e5011c18f..47977c3a2a1 100644
--- a/apps/dashboard/src/@/api/universal-bridge/links.ts
+++ b/apps/dashboard/src/@/api/universal-bridge/links.ts
@@ -15,7 +15,7 @@ type PaymentLink = {
     chainId: number;
   };
   amount: bigint | undefined;
-  purchaseData: unknown;
+  purchaseData: Record<string, unknown> | undefined;
 };
 
 export async function getPaymentLink(props: {
diff --git a/apps/dashboard/src/app/pay/[id]/page.tsx b/apps/dashboard/src/app/pay/[id]/page.tsx
index 77543f9818a..0d748c11d84 100644
--- a/apps/dashboard/src/app/pay/[id]/page.tsx
+++ b/apps/dashboard/src/app/pay/[id]/page.tsx
@@ -65,6 +65,7 @@ export default async function PayPage({
       name={paymentLink.title}
       image={paymentLink.imageUrl}
       theme={theme}
+      purchaseData={paymentLink.purchaseData}
     />
   );
 }
diff --git a/apps/dashboard/src/app/pay/components/client/PayPageEmbed.client.tsx b/apps/dashboard/src/app/pay/components/client/PayPageEmbed.client.tsx
index ac565320564..937e92274f7 100644
--- a/apps/dashboard/src/app/pay/components/client/PayPageEmbed.client.tsx
+++ b/apps/dashboard/src/app/pay/components/client/PayPageEmbed.client.tsx
@@ -16,6 +16,7 @@ export function PayPageEmbed({
   image,
   redirectUri,
   theme,
+  purchaseData,
 }: {
   chainId: number;
   recipientAddress: string;
@@ -27,6 +28,7 @@ export function PayPageEmbed({
   redirectUri?: string;
   clientId: string;
   theme?: "light" | "dark";
+  purchaseData: Record<string, unknown> | undefined;
 }) {
   const { theme: browserTheme, setTheme } = useTheme();
 
@@ -51,6 +53,7 @@ export function PayPageEmbed({
             image,
           },
           mode: "direct_payment",
+          purchaseData,
           paymentInfo: {
             chain,
             sellerAddress: recipientAddress,
diff --git a/apps/dashboard/src/app/pay/page.tsx b/apps/dashboard/src/app/pay/page.tsx
index 03169ea5489..0d15715801a 100644
--- a/apps/dashboard/src/app/pay/page.tsx
+++ b/apps/dashboard/src/app/pay/page.tsx
@@ -92,6 +92,7 @@ export default async function PayPage({
       name={params.name}
       image={params.image}
       theme={params.theme}
+      purchaseData={undefined}
     />
   );
 }
diff --git a/packages/thirdweb/src/bridge/Webhook.test.ts b/packages/thirdweb/src/bridge/Webhook.test.ts
index 79cfd34b905..37f5f8b38b5 100644
--- a/packages/thirdweb/src/bridge/Webhook.test.ts
+++ b/packages/thirdweb/src/bridge/Webhook.test.ts
@@ -52,8 +52,14 @@ describe("parseIncomingWebhook", () => {
       receiver: "0x1234567890123456789012345678901234567890",
       type: "transfer",
       transactions: [
-        "0x1234567890123456789012345678901234567890",
-        "0x1234567890123456789012345678901234567890",
+        {
+          chainId: 1,
+          transactionHash: "0x1234567890123456789012345678901234567890",
+        },
+        {
+          chainId: 1,
+          transactionHash: "0x1234567890123456789012345678901234567890",
+        },
       ],
       developerFeeBps: 100,
       developerFeeRecipient: "0x1234567890123456789012345678901234567890",
diff --git a/packages/thirdweb/src/bridge/Webhook.ts b/packages/thirdweb/src/bridge/Webhook.ts
index deebb88aa73..7bf379ad974 100644
--- a/packages/thirdweb/src/bridge/Webhook.ts
+++ b/packages/thirdweb/src/bridge/Webhook.ts
@@ -46,10 +46,15 @@ const webhookSchema = z.union([
       sender: addressSchema,
       receiver: addressSchema,
       type: z.string(),
-      transactions: z.array(hexSchema),
+      transactions: z.array(
+        z.object({
+          chainId: z.coerce.number(),
+          transactionHash: hexSchema,
+        }),
+      ),
       developerFeeBps: z.coerce.number(),
       developerFeeRecipient: addressSchema,
-      purchaseData: z.record(z.string(), z.unknown()),
+      purchaseData: z.optional(z.record(z.string(), z.unknown())),
     }),
   }),
 ]);