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.
Amazon Lex publishes 1 API on the APIs.io network: Bots API.
The Amazon Lex catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.
Amazon Lex’s developer surface includes authentication, developer portal, documentation, support, engineering blog, GitHub presence, developer console, and 19 more developer resources.
Kin Score
APIs 1
Individual APIs this provider publishes, each with its own machine-readable definition.
Amazon Lex Bots API
Lex bot management
Postman Collections 1
Ready-to-run Postman collections for exercising this provider's APIs.
Amazon Lex Bots API
POSTMANOpen Collections 2
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Amazon Lex API
OPEN COLLECTIONAmazon Lex API
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Amazon Lex Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Amazon Lex Finops
FINOPSFeatures 6
Notable capabilities this provider offers.
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.
Semantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Amazon Lex Context
JSON-LDSpectral Rules 2
Spectral governance rulesets for linting and validating these APIs.
Amazon Lex API Rules
SPECTRALAmazon Lex API Rules
SPECTRALJSON Schema 2
Standalone JSON Schema definitions for this provider's data models.
JSON Structure 2
JSON Structure definitions describing this provider's data shapes.
Amazon Lex Bot Structure
JSON STRUCTUREAmazon Lex Intent Structure
JSON STRUCTUREExamples 2
Example request and response payloads for these APIs.
Amazon Lex Bot Example
EXAMPLEAmazon Lex Intent Example
EXAMPLESecurity Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Use Cases 4
What developers build with this provider.
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 4
Pre-built integrations with other platforms and tools.
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.
Resources
Get Started 4
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Build 2
SDKs, sample code, and the tooling you integrate with
Access & Security 6
Authentication, authorization, and security posture
Learn 1
Tutorials, courses, talks, and written guidance
Operate 4
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type