Amazon Lex - AWS GovCloud (US)

Amazon Lex

This service is currently available in AWS GovCloud (US-West) only.

Amazon Lex is an AWS service for building conversational interfaces for applications using voice and text. With Amazon Lex, the same conversational engine that powers Amazon Alexa is now available to any developer, enabling you to build sophisticated, natural language chatbots into your new and existing applications. Amazon Lex provides the deep functionality and flexibility of natural language understanding (NLU) and automatic speech recognition (ASR) so you can build highly engaging user experiences with lifelike, conversational interactions, and create new categories of products.

How Amazon Lex Differs for AWS GovCloud (US)

  • Amazon Lex V2 is not available in AWS GovCloud (US). Only Amazon Lex V1 is available.

  • Amazon Lex does not support channels, which enable bots to integrate with messaging platforms such as Facebook, Slack, and Twilio.

  • The Amazon Lex console does not show utterances or missed utterances. The GetUtterancesView API action is not supported.

  • The supported languages include only en-US and es-US.

  • Amazon Lex does not support conversation logs, which store interactions to help you review the bot's performance and troubleshoot.

  • Amazon Lex does not use or store customer data to improve the machine learning models that belong to the service.

Documentation for Amazon Lex

Amazon Lex documentation.

Export-Controlled Content

For AWS Services architected within the AWS GovCloud (US) Regions, the table below explains how certain components of data may leave the Regions in the normal course of the Service Offerings. The table can be used as a guide to help meet applicable customer compliance obligations.

Data in the following service attributes will not leave the AWS GovCloud (US ) Regions in the normal course of the Service Offerings Data in the following service attributes may leave the AWS GovCloud (US ) Regions in the normal course of the Service Offerings
  • Utterances that are sent as part of the PostText and PostContent API operations.

  • The following customer-defined metadata may leave the AWS GovCloud (US) Regions only when the customer asks AWS to investigate a reported issue:

    • Bot definitions

    • Intent definitions

    • Slot definitions

    • Session attributes that customers use for the Get customer input block in the Amazon Connect console, such as x-amz-lex:start-silence-threshold-ms or x-amz-lex:end-silence-threshold-ms. For all session attributes, see Contact block: Get customer input in the Amazon Connect Administrator Guide.