Amazon Lex website screenshot

Amazon Lex

Amazon Lex is a fully managed artificial intelligence (AI) service with advanced natural language models to design, build, test, and deploy conversational interfaces in applications. It provides the deep learning functionalities of automatic speech recognition (ASR) for converting speech to text, and natural language understanding (NLU) to recognize the intent of the text, enabling you to build applications with highly engaging user experiences and lifelike conversational interactions.

1 APIs 6 Features

APIs

Amazon Lex API

The Amazon Lex API provides programmatic access to manage bots, bot aliases, bot channels, intents, slots, and slot types for building conversational AI interfaces and chatbots.

Collections

Pricing Plans

Amazon Lex Plans Pricing

3 plans

PLANS

Rate Limits

Amazon Lex Rate Limits

5 limits

RATE LIMITS

FinOps

Features

Automatic Speech Recognition

Convert speech to text with high accuracy using the same deep learning technology as Amazon Alexa.

Natural Language Understanding

Understand the intent behind user input to build conversational interfaces.

Multi-Channel Deployment

Deploy bots across web, mobile, messaging channels (Slack, Facebook Messenger, Twilio), and contact centers.

Amazon Connect Integration

Build intelligent contact center bots with native integration with Amazon Connect.

Streaming Conversations

Support multi-turn streaming conversations for complex dialog flows.

Intent Recognition

Recognize user intents and extract slot values from natural language input.

Use Cases

Customer Service Chatbot

Build self-service chatbots for customer support and FAQ handling.

Contact Center Automation

Automate contact center interactions with intelligent IVR and agent assist.

Internal Help Desk

Create employee-facing bots for IT help desk and HR self-service.

E-Commerce Assistant

Build shopping assistants that understand natural language product queries.

Integrations

Amazon Connect

Deploy Lex bots in Amazon Connect contact flows for IVR and agent assist.

Amazon Kendra

Combine Lex for dialog management with Kendra for intelligent document search.

AWS Lambda

Use Lambda for fulfillment logic and business rules in bot conversations.

Amazon Polly

Convert bot text responses to natural speech using Amazon Polly TTS.

Semantic Vocabularies

Amazon Lex Context

2 classes · 7 properties

JSON-LD

API Governance Rules

Amazon Lex API Rules

16 rules · 9 errors 7 warnings

SPECTRAL

JSON Structure

Amazon Lex Bot Structure

7 properties

JSON STRUCTURE

Amazon Lex Intent Structure

7 properties

JSON STRUCTURE

Example Payloads

Amazon Lex Bot Example

7 fields

EXAMPLE

Amazon Lex Intent Example

7 fields

EXAMPLE

Resources

🌐
Portal
Portal
🔗
Website
Website
🔗
Documentation
Documentation
📜
TermsOfService
TermsOfService
📜
PrivacyPolicy
PrivacyPolicy
💬
Support
Support
📰
Blog
Blog
👥
github
github
🌐
Console
Console
📝
Signup
Signup
🔗
Login
Login
🟢
StatusPage
StatusPage
🔗
knowledge-center
knowledge-center
👥
YouTube
YouTube
👥
StackOverflow
StackOverflow
🔗
Contact
Contact
🔗
Security
Security
🔗
Compliance
Compliance
🔗
SpectralRules
SpectralRules
🔗
Vocabulary
Vocabulary

Sources

Raw ↑
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