diff --git a/keyserver/src/responders/farcaster-webhook-responders.js b/keyserver/src/responders/farcaster-webhook-responders.js
--- a/keyserver/src/responders/farcaster-webhook-responders.js
+++ b/keyserver/src/responders/farcaster-webhook-responders.js
@@ -326,6 +326,7 @@
   const postCastResponse = await neynarClient?.postCast(
     neynarConfig.signerUUID,
     castHash,
+    undefined,
     replyText,
   );
 
diff --git a/lib/utils/neynar-client.js b/lib/utils/neynar-client.js
--- a/lib/utils/neynar-client.js
+++ b/lib/utils/neynar-client.js
@@ -348,14 +348,26 @@
   async postCast(
     signerUUID: string,
     parent: string,
-    text: string,
+    embeds?: $ReadOnlyArray<{ url: string }>,
+    text?: string,
   ): Promise<NeynarPostCastResponse> {
     const url = getNeynarURL('2', 'cast', {});
-    const body = {
+    const body: {
+      signer_uuid: string,
+      parent: string,
+      text?: string,
+      embeds?: $ReadOnlyArray<{ url: string }>,
+    } = {
       signer_uuid: signerUUID,
       parent,
-      text,
     };
+
+    if (embeds) {
+      body.embeds = embeds;
+    }
+    if (text) {
+      body.text = text;
+    }
     try {
       const response = await fetch(url, {
         method: 'POST',