JS API Integration

<script id="fh-chatbot-script-YOUR_CHATBOT_ID">
  var currentScript = document.currentScript
    || document.getElementById('fh-chatbot-script-YOUR_CHATBOT_ID');

  var script = document.createElement('script');
  script.async = true;
  script.src = 'https://app.flowhunt.io/api/chatbot/YOUR_CHATBOT_ID'
    + '?workspace_id=YOUR_WORKSPACE_ID&v=2';

  script.onload = function () {
    window.FHChatbot_YOUR_CHATBOT_ID.init(function (chatbotManager) {
      // The chatbot is ready — use chatbotManager here
    });
  };

  if (currentScript && currentScript.parentNode) {
    currentScript.parentNode.insertBefore(script, currentScript.nextSibling);
  } else {
    document.head.appendChild(script);
  }
</script>

<script id="fh-chatbot-script-YOUR_CHATBOT_ID">
  var currentScript = document.currentScript
    || document.getElementById('fh-chatbot-script-YOUR_CHATBOT_ID');

  var script = document.createElement('script');
  script.async = true;
  script.src = 'https://app.flowhunt.io/api/chatbot/YOUR_CHATBOT_ID'
    + '?workspace_id=YOUR_WORKSPACE_ID&v=2';

  script.onload = function () {
    window.FHChatbot_YOUR_CHATBOT_ID.setConfig({
      headerTitle: 'Support Assistant',
      maxWindowWidth: '700px',
      showChatButton: false,
      flowVariables: {
        userId: '12345',
        plan: 'enterprise',
      },
      urlSuffix: '?utm_source=chatbot',
    });

    window.FHChatbot_YOUR_CHATBOT_ID.init(function (chatbotManager) {
      // Chatbot initialised with custom config
    });
  };

  if (currentScript && currentScript.parentNode) {
    currentScript.parentNode.insertBefore(script, currentScript.nextSibling);
  } else {
    document.head.appendChild(script);
  }
</script>

window.FHChatbot_YOUR_CHATBOT_ID.setConfig({
  flowVariables: {
    userId: getCurrentUserId(),
    userEmail: getCurrentUserEmail(),
    currentPage: window.location.pathname,
    plan: 'enterprise',
  },
});

window.FHChatbot_YOUR_CHATBOT_ID.setConfig({
  urlSuffix: '?utm_source=chatbot&utm_medium=widget',
});

chatbotManager.sendHook(
  name: string,
  payload?: Record<string, unknown>,
  options?: { flowVariables?: Record<string, unknown> }
): Promise<void>;

window.FHChatbot_YOUR_CHATBOT_ID.init(function (chatbotManager) {
  window.addEventListener('hashchange', function () {
    chatbotManager.sendHook('screen_changed', {
      url: window.location.href,
      screen_name: getScreenName(),
    }, {
      flowVariables: { current_page_url: window.location.href },
    });
  });
});

window.FHChatbot_YOUR_CHATBOT_ID.init(function (chatbotManager) {
  window.addEventListener('hashchange', function () {
    chatbotManager.sendHook('navigate', {}, {
      flowVariables: {
        current_page_url: window.location.href,
        screen_name: getScreenName(),
      },
    });
  });
});

event.detail.metadata = {
  content: 'Hello, I need help with...',
  createdAt: '2026-02-19T10:30:00.000Z',
};

event.detail.metadata = {
  flow_id: 'abc123',
  message_id: 'msg_456',
  message: 'Sure, I can help you with that!',
  sender: {
    sender_name: 'Support Agent',
    sender_avatar: 'https://example.com/avatar.png',
  },
};

event.detail.metadata = {
  objectData: { name: 'John', email: 'john@example.com' },
  createdAt: '2026-02-19T10:31:00.000Z',
};

event.detail.metadata = {
  message_id: 'msg_456',
  content: 'Optional feedback text',
  feedback: 'P', // 'P' = positive, 'N' = negative
};

event.detail.metadata = {
  metadata: {
    flow_id: 'abc123',
    message_id: 'msg_789',
    message: 'Calling search API...',
  },
  createdAt: '2026-02-19T10:32:00.000Z',
};

event.detail.metadata = {
  metadata: {
    flow_id: 'abc123',
    message_id: 'msg_err',
    message: 'Flow execution failed',
  },
  createdAt: '2026-02-19T10:33:00.000Z',
};

event.detail = {
  variables: {
    current_page_url: 'https://example.com/products',
    screen_name: 'products',
  },
};

<script>
document.addEventListener('DOMContentLoaded', function () {
  window.addEventListener('onFHChatbotReady', function () {
    console.log('Chatbot is ready');
  });

  window.addEventListener('onFHChatbotSessionCreated', function (event) {
    console.log('Session created:', event.detail.sessionId);
  });

  window.addEventListener('onFHChatbotWindowOpened', function () {
    console.log('Chat window opened');
  });

  window.addEventListener('onFHChatbotWindowClosed', function () {
    console.log('Chat window closed');
  });

  window.addEventListener('onFHMessageSent', function (event) {
    console.log('User sent:', event.detail.metadata.content);
  });

  window.addEventListener('onFHMessageReceived', function (event) {
    console.log('Bot replied:', event.detail.metadata.message);
  });

  window.addEventListener('onFHFormDataSent', function (event) {
    console.log('Form submitted:', event.detail.metadata.objectData);
  });

  window.addEventListener('onFHFeedback', function (event) {
    var fb = event.detail.metadata;
    console.log('Feedback on message', fb.message_id, ':', fb.feedback);
  });

  window.addEventListener('onFHToolCall', function (event) {
    console.log('Tool called:', event.detail.metadata);
  });

  window.addEventListener('onFHError', function (event) {
    console.error('Chatbot error:', event.detail.metadata);
  });

  window.addEventListener('onFHChatbotFlowVariablesUpdate', function (event) {
    console.log('Variables merged:', event.detail.variables);
  });
});
</script>

var handleMessage = function (event) {
  console.log(event.detail.metadata);
};
window.addEventListener('onFHMessageReceived', handleMessage);
// Later …
window.removeEventListener('onFHMessageReceived', handleMessage);

window.FHChatbot_YOUR_CHATBOT_ID.init(function (chatbotManager) {
  chatbotManager.onSessionCreated(function () {
    console.log('Session created');
  });

  chatbotManager.onWindowOpened(function () {
    console.log('Window opened');
  });

  chatbotManager.onWindowClosed(function () {
    console.log('Window closed');
  });

  chatbotManager.onMessageSent(function (event) {
    console.log('User sent:', event.metadata);
  });

  chatbotManager.onMessageReceived(function (event) {
    console.log('Bot replied:', event.metadata);
  });

  chatbotManager.onFormDataSent(function (event) {
    console.log('Form data:', event.metadata);
  });

  chatbotManager.onFeedback(function (event) {
    console.log('Feedback:', event.metadata);
  });

  chatbotManager.onToolCall(function (event) {
    console.log('Tool call:', event.metadata);
  });

  chatbotManager.onError(function (event) {
    console.error('Error:', event.metadata);
  });
});

<button id="my-chat-button">Chat with us</button>

<script id="fh-chatbot-script-YOUR_CHATBOT_ID">
  var currentScript = document.currentScript
    || document.getElementById('fh-chatbot-script-YOUR_CHATBOT_ID');

  var script = document.createElement('script');
  script.async = true;
  script.src = 'https://app.flowhunt.io/api/chatbot/YOUR_CHATBOT_ID'
    + '?workspace_id=YOUR_WORKSPACE_ID&v=2';

  script.onload = function () {
    window.FHChatbot_YOUR_CHATBOT_ID.setConfig({ showChatButton: false });

    window.FHChatbot_YOUR_CHATBOT_ID.init(function (chatbotManager) {
      document.getElementById('my-chat-button')
        .addEventListener('click', function () {
          chatbotManager.openChat();
        });
    });
  };

  if (currentScript && currentScript.parentNode) {
    currentScript.parentNode.insertBefore(script, currentScript.nextSibling);
  } else {
    document.head.appendChild(script);
  }
</script>

<button id="open-chat" style="display:none;">Need help?</button>

<script>
  window.addEventListener('onFHChatbotReady', function () {
    document.getElementById('open-chat').style.display = 'block';
  });
</script>

<script id="fh-chatbot-script-YOUR_CHATBOT_ID">
  var currentScript = document.currentScript
    || document.getElementById('fh-chatbot-script-YOUR_CHATBOT_ID');

  var script = document.createElement('script');
  script.async = true;
  script.src = 'https://app.flowhunt.io/api/chatbot/YOUR_CHATBOT_ID'
    + '?workspace_id=YOUR_WORKSPACE_ID&v=2';

  script.onload = function () {
    window.FHChatbot_YOUR_CHATBOT_ID.setConfig({ showChatButton: false });

    window.FHChatbot_YOUR_CHATBOT_ID.init(function (chatbotManager) {
      document.getElementById('open-chat')
        .addEventListener('click', function () {
          chatbotManager.openChat();
        });
    });
  };

  if (currentScript && currentScript.parentNode) {
    currentScript.parentNode.insertBefore(script, currentScript.nextSibling);
  } else {
    document.head.appendChild(script);
  }
</script>

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>FlowHunt Chatbot Integration</title>
  </head>
  <body>
    <h1>My Website</h1>
    <button id="open-chat-btn">Talk to our AI assistant</button>
    <button id="close-chat-btn">Close chat</button>

    <!-- Subscribe to events before the chatbot loads -->
    <script>
      document.addEventListener('DOMContentLoaded', function () {
        window.addEventListener('onFHChatbotReady', function () {
          console.log('Chatbot widget is ready');
        });

        window.addEventListener('onFHChatbotSessionCreated', function (event) {
          console.log('New chat session started:', event.detail.sessionId);
        });

        window.addEventListener('onFHMessageSent', function (event) {
          console.log('User message:', event.detail.metadata.content);
        });

        window.addEventListener('onFHMessageReceived', function (event) {
          console.log('Bot response:', event.detail.metadata.message);
        });

        window.addEventListener('onFHChatbotFlowVariablesUpdate', function (event) {
          console.log('Context updated:', event.detail.variables);
        });

        window.addEventListener('onFHError', function (event) {
          console.error('Chatbot error:', event.detail.metadata);
        });
      });
    </script>

    <!-- FlowHunt integration -->
    <script id="fh-chatbot-script-YOUR_CHATBOT_ID">
      var currentScript = document.currentScript
        || document.getElementById('fh-chatbot-script-YOUR_CHATBOT_ID');

      var script = document.createElement('script');
      script.async = true;
      script.src = 'https://app.flowhunt.io/api/chatbot/YOUR_CHATBOT_ID'
        + '?workspace_id=YOUR_WORKSPACE_ID&v=2';

      script.onload = function () {
        window.FHChatbot_YOUR_CHATBOT_ID.setConfig({
          showChatButton: false,
          headerTitle: 'AI Assistant',
          maxWindowWidth: '600px',
          flowVariables: {
            source: 'website',
            current_page_url: window.location.href,
          },
          urlSuffix: '?utm_source=chatbot',
        });

        window.FHChatbot_YOUR_CHATBOT_ID.init(function (chatbotManager) {
          // Open / close from custom buttons
          document.getElementById('open-chat-btn')
            .addEventListener('click', function () {
              chatbotManager.openChat();
            });
          document.getElementById('close-chat-btn')
            .addEventListener('click', function () {
              chatbotManager.closeChat();
            });

          // Keep the flow's context in sync with SPA navigation and
          // optionally fire the Chat Hook trigger (if the flow has one wired).
          // If the flow has no Chat Hook, the call is a silent 200 — the
          // flow_variables still get merged, so the same line covers both
          // "notify the flow" and "just update context".
          window.addEventListener('hashchange', function () {
            chatbotManager.sendHook('screen_changed', {
              url: window.location.href,
            }, {
              flowVariables: { current_page_url: window.location.href },
            });
          });
        });
      };

      if (currentScript && currentScript.parentNode) {
        currentScript.parentNode.insertBefore(script, currentScript.nextSibling);
      } else {
        document.head.appendChild(script);
      }
    </script>
  </body>
</html>