
AWS End User Messaging Configuration Sets enable multi-tenant SMS sending by combining opt-out lists, event destinations, and pools to manage multiple use-cases, senders, and event routing separately using the V2 SMS and Voice API.


<div><p>This article explains how to use AWS End User Messaging Configuration Sets to send SMS with separate event destinations and opt-out management for multiple use-cases and business units.</p><ul><li>Configuration Sets are containers holding Event Destinations and rules for SMS messages</li><li>Create Pools associating Origination Identities (short codes, 10DLC) to specific use-cases</li><li>Set up separate Opt-Out Lists for each use-case (OTP, Marketing)</li><li>Create Event Destinations routing SMS events to SNS, CloudWatch, or Kinesis Firehose</li><li>Use SendTextMessage API with ConfigurationSetName to send SMS through configured destinations</li><li>Supports multi-tenant scenarios with distinct sender details and event routing per use-case</li><li>Default quota is 25 Configuration Sets per account, increasable if needed</li></ul><p>Configuration Sets simplify multi-use-case SMS sending by centralizing event routing and opt-out management while maintaining separate configurations for different business units or customers.</p></div>


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