diff --git a/lib/shared/farcaster/farcaster-api.js b/lib/shared/farcaster/farcaster-api.js
--- a/lib/shared/farcaster/farcaster-api.js
+++ b/lib/shared/farcaster/farcaster-api.js
@@ -928,6 +928,7 @@
 export type PinMessageInput = {
   +conversationId: string,
   +messageId: string,
+  +action: 'pin' | 'unpin',
 };
 
 function usePinMessage(): (input: PinMessageInput) => Promise<void> {
@@ -935,19 +936,23 @@
   const { addLog } = useDebugLogs();
   return React.useCallback(
     async (input: PinMessageInput) => {
+      const { conversationId, messageId, action } = input;
+      const method = action === 'pin' ? { type: 'POST' } : { type: 'DELETE' };
+
       try {
         await sendFarcasterRequest({
           apiVersion: 'v2',
           endpoint: 'direct-cast-pin-message',
-          method: { type: 'POST' },
-          payload: JSON.stringify(input),
+          method,
+          payload: JSON.stringify({ conversationId, messageId }),
         });
       } catch (error) {
         addLog(
-          'Farcaster API: Failed to pin a message',
+          `Farcaster API: Failed to ${action} a message`,
           JSON.stringify({
-            conversationId: input.conversationId,
-            messageId: input.messageId,
+            conversationId,
+            messageId,
+            action,
             error: getMessageForException(error),
           }),
           new Set([logTypes.FARCASTER, logTypes.ERROR]),
diff --git a/lib/shared/threads/protocols/farcaster-thread-protocol.js b/lib/shared/threads/protocols/farcaster-thread-protocol.js
--- a/lib/shared/threads/protocols/farcaster-thread-protocol.js
+++ b/lib/shared/threads/protocols/farcaster-thread-protocol.js
@@ -954,7 +954,7 @@
     input: ProtocolPinMessageInput,
     utils: PinMessageUtils,
   ): Promise<void> => {
-    const { messageID, threadInfo } = input;
+    const { messageID, threadInfo, action } = input;
     const { farcasterPinMessage } = utils;
 
     const conversationId = conversationIDFromFarcasterThreadID(threadInfo.id);
@@ -962,6 +962,7 @@
     await farcasterPinMessage({
       conversationId,
       messageId: messageID,
+      action,
     });
   },