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Amazon Lex Runtime Service API Technical Specs & Reference

Detailed technical specifications for Amazon Lex Runtime Service API including version 2016-11-28 data.
📅 Last updated: April 20, 2026

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Amazon Lex Runtime Service API Overview

Amazon Lex provides both build and runtime endpoints. Each endpoint provides a set of operations (API). Your conversational bot uses the runtime API to understand user utterances (user input text or voice). For example, suppose a user says ‘I want pizza’, your bot sends this input to Amazon Lex using the runtime API. Amazon Lex recognizes that the user request is for the OrderPizza intent (one of the intents defined in the bot). Then Amazon Lex engages in user conversation on behalf of the bot t…

Technical Specifications

AttributeDetails
Provideramazonaws.com
Current Version2016-11-28
FormatOpenAPI / JSON

Integration Information

Reference for version 2016-11-28.


Disclaimer: Data sourced from APIs.guru.