diff --git a/src/Socket/messages-send.ts b/src/Socket/messages-send.ts
index 2484cbdf..66775fd6 100644
--- a/src/Socket/messages-send.ts
+++ b/src/Socket/messages-send.ts
@@ -628,8 +628,12 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 		} else if (message.templateMessage) {
 			return 'template'
 		} else if (message.listMessage) {
+ (SINGLE_SELECT and PRODUCT_LIST) need biz > list node
+			return 'list'
+
 			// listMessage works natively without biz node
 			return undefined
+
 		} else if (message.buttonsResponseMessage) {
 			return 'buttons_response'
 		} else if (message.listResponseMessage) {
@@ -671,8 +675,13 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 			} else if (innerMessage.templateMessage) {
 				return 'template'
 			} else if (innerMessage.listMessage) {
+
+				// All listMessages (SINGLE_SELECT and PRODUCT_LIST) need biz > list node
+				return 'list'
+
 				// listMessage works natively without biz node
 				return undefined
+
 			} else if (innerMessage.buttonsResponseMessage) {
 				return 'buttons_response'
 			} else if (innerMessage.listResponseMessage) {
@@ -1199,6 +1208,13 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 					'[DEBUG] Interactive message structure'
 				)
 
+				// Log message check for biz node (similar to Pastorini)
+				const messageKeys = Object.keys(message).filter(k => (message as any)[k] != null)
+				logger.info(
+					{ hasInteractive: !!interactiveMsg, messageKeys },
+					'[BIZ NODE] Checking message for biz node...'
+				)
+
 				logger.warn(
 					{ msgId, buttonType, to: destinationJid, enableInteractiveMessages, isCatalog },
 					'[EXPERIMENTAL] Injecting biz node for interactive message - may cause ban'
@@ -1208,9 +1224,20 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 				metrics.interactiveMessagesSent.inc({ type: buttonType })
 
 				try {
+
+					// Differentiate biz node structure based on message type
+					// isListMessage: true for direct listMessage OR nativeFlowMessage with single_select
+					const isListMessage = buttonType === 'list' || isListNativeFlow(message)
+
+					if (isListMessage) {
+						// For listMessage: use biz > list (type=product_list, v=2)
+						// This is the format that works on both phone and web WhatsApp
+						// Reference: Pastorini implementation
+=======
 					// For listMessage (legacy format), use direct <list> tag
 					// This matches pastorini's working implementation
 					if (buttonType === 'list') {
+
 						;(stanza.content as BinaryNode[]).push({
 							tag: 'biz',
 							attrs: {},
@@ -1226,6 +1253,13 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 						})
 						logger.info(
 							{ msgId, to: destinationJid },
+
+							'[BIZ NODE] Added list biz node (type=product_list, v=2) for listMessage'
+						)
+					} else {
+						// For other interactive messages (native_flow, buttons, templates, carousels):
+						// use biz > interactive > native_flow
+=======
 							'[EXPERIMENTAL] Injected biz node for listMessage (legacy format)'
 						)
 					} else {
@@ -1258,8 +1292,8 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 
 					// For private 1:1 chats, add bot node (required for some interactive messages to render)
 					// Only inject for actual user JIDs, not broadcasts, newsletters, or Meta AI bots
-					// IMPORTANT: Carousels and catalog messages should NOT have bot node
-					// as they are regular interactive messages, not bot messages
+					// IMPORTANT: Carousels, catalog messages, and list messages should NOT have bot node
+					// List messages use biz > list structure and don't need bot node
 					// NOTE: Only for regular JIDs, NOT hosted JIDs (to avoid interference with interactive messages)
 					const isPrivateUserChat = (
 						isPnUser(destinationJid) ||
@@ -1267,7 +1301,7 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 						destinationJid?.endsWith('@c.us')
 					) && !isJidBot(destinationJid)
 
-					if (isPrivateUserChat && !isCarousel && !isCatalog) {
+					if (isPrivateUserChat && !isCarousel && !isCatalog && !isListMessage) {
 						;(stanza.content as BinaryNode[]).push({
 							tag: 'bot',
 							attrs: { biz_bot: '1' }
@@ -1286,6 +1320,11 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 							{ msgId, to: destinationJid, buttonType },
 							'[EXPERIMENTAL] Skipping bot node for catalog message (with biz node)'
 						)
+					} else if (isListMessage) {
+						logger.debug(
+							{ msgId, to: destinationJid, buttonType },
+							'[BIZ NODE] Skipping bot node for list message (uses list biz node)'
+						)
 					}
 
 					// Track success and latency after message is sent
@@ -1374,6 +1413,10 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 				;(stanza.content as BinaryNode[]).push(...additionalNodes)
 			}
 
+			// Log stanza content tags for debugging (similar to Pastorini format)
+			const contentTags = (stanza.content as BinaryNode[]).map((n: BinaryNode) => n.tag)
+			logger.info({ msgId, contentTags }, `[STANZA] Content tags: ${JSON.stringify(contentTags)}`)
+
 			logger.debug({ msgId }, `sending message to ${participants.length} devices`)
 
 			await sendNode(stanza)