diff --git a/apps/builder/src/features/preview/components/ApiPreviewInstructions.tsx b/apps/builder/src/features/preview/components/ApiPreviewInstructions.tsx
index 4c740432e..befe61e2c 100644
--- a/apps/builder/src/features/preview/components/ApiPreviewInstructions.tsx
+++ b/apps/builder/src/features/preview/components/ApiPreviewInstructions.tsx
@@ -18,22 +18,12 @@ export const ApiPreviewInstructions = (props: StackProps) => {
 
   const startParamsBody = startPreviewAtGroup
     ? `{
-  "startParams": {
-    "typebot": "${typebot?.id}",
-    "isPreview": true,
     "startGroupId": "${startPreviewAtGroup}"
-  }
-}`
-    : `{
-  "startParams": {
-    "typebot": "${typebot?.id}",
-    "isPreview": true
-  }
 }`
+    : undefined
 
   const replyBody = `{
   "message": "This is my reply",
-  "sessionId": "<ID_FROM_FIRST_RESPONSE>"
 }`
 
   return (
@@ -60,12 +50,16 @@ export const ApiPreviewInstructions = (props: StackProps) => {
             <CodeEditor
               isReadOnly
               lang={'shell'}
-              value={`${parseApiHost(
-                typebot?.customDomain
-              )}/api/v2/sendMessage`}
+              value={`${parseApiHost(typebot?.customDomain)}/api/v1/typebots/${
+                typebot?.id
+              }/preview/startChat`}
             />
-            <Text>with the following JSON body:</Text>
-            <CodeEditor isReadOnly lang={'json'} value={startParamsBody} />
+            {startPreviewAtGroup && (
+              <>
+                <Text>with the following JSON body:</Text>
+                <CodeEditor isReadOnly lang={'json'} value={startParamsBody} />
+              </>
+            )}
           </Stack>
         </ListItem>
         <ListItem>
@@ -82,7 +76,7 @@ export const ApiPreviewInstructions = (props: StackProps) => {
               lang={'shell'}
               value={`${parseApiHost(
                 typebot?.customDomain
-              )}/api/v2/sendMessage`}
+              )}/api/v1/sessions/<ID_FROM_FIRST_RESPONSE>/continueChat`}
             />
             <Text>With the following JSON body:</Text>
             <CodeEditor isReadOnly lang={'json'} value={replyBody} />
@@ -95,7 +89,10 @@ export const ApiPreviewInstructions = (props: StackProps) => {
       </OrderedList>
       <Text fontSize="sm" pl="1">
         Check out the{' '}
-        <TextLink href="https://docs.typebot.io/api/send-a-message" isExternal>
+        <TextLink
+          href="https://docs.typebot.io/api/start-preview-chat"
+          isExternal
+        >
           API reference
         </TextLink>{' '}
         for more information
diff --git a/apps/builder/src/features/publish/components/embeds/modals/ApiModal.tsx b/apps/builder/src/features/publish/components/embeds/modals/ApiModal.tsx
index 351f2fc9b..4ccb9a8d9 100644
--- a/apps/builder/src/features/publish/components/embeds/modals/ApiModal.tsx
+++ b/apps/builder/src/features/publish/components/embeds/modals/ApiModal.tsx
@@ -27,15 +27,9 @@ export const ApiModal = ({
   onClose,
 }: ModalProps): JSX.Element => {
   const { typebot } = useTypebot()
-  const startParamsBody = `{
-  "startParams": {
-    "typebot": "${publicId}",
-  }
-}`
 
   const replyBody = `{
   "message": "This is my reply",
-  "sessionId": "<ID_FROM_FIRST_RESPONSE>"
 }`
 
   return (
@@ -61,10 +55,8 @@ export const ApiModal = ({
                   lang={'shell'}
                   value={`${parseApiHost(
                     typebot?.customDomain
-                  )}/api/v2/sendMessage`}
+                  )}/api/v1/typebots/${publicId}/startChat`}
                 />
-                <Text>with the following JSON body:</Text>
-                <CodeEditor isReadOnly lang={'json'} value={startParamsBody} />
               </Stack>
             </ListItem>
             <ListItem>
@@ -81,7 +73,7 @@ export const ApiModal = ({
                   lang={'shell'}
                   value={`${parseApiHost(
                     typebot?.customDomain
-                  )}/api/v2/sendMessage`}
+                  )}/api/v1/sessions/<ID_FROM_FIRST_RESPONSE>/continueChat`}
                 />
                 <Text>With the following JSON body:</Text>
                 <CodeEditor isReadOnly lang={'json'} value={replyBody} />
@@ -94,10 +86,7 @@ export const ApiModal = ({
           </OrderedList>
           <Text fontSize="sm" colorScheme="gray">
             Check out the{' '}
-            <TextLink
-              href="https://docs.typebot.io/api/send-a-message"
-              isExternal
-            >
+            <TextLink href="https://docs.typebot.io/api/start-chat" isExternal>
               API reference
             </TextLink>{' '}
             for more information