Amazon Lex
A service for building conversational AI interfaces (chatbots and voice bots).
Exam Tip: Lex = chatbot builder. If the question involves building conversational interfaces or chatbots, the answer is Lex. Remember: Lex = bot framework, not a general AI assistant.
Chatbot Development
- Build chatbots with natural language understanding (NLU)
- Define intents (what the user wants to do)
- Define slots (parameters needed to fulfill the intent)
- Create fulfillment logic (Lambda functions to process the request)
- Multi-turn conversations with context management
- Built-in integration with Amazon Connect for contact center bots
- Same technology that powers Alexa
Common Use Cases
- Customer support bots for automated Q&A
- Application bots for ordering, booking, scheduling
- Interactive voice response (IVR) modernization
- Internal IT helpdesk bots
- Healthcare appointment scheduling