AWS End User Messaging SMS

aws.amazon.com · checked 14 Nov 2026

#55 · Transactional SMS Software

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How it plugs in

—Public API

NoOpen source

NoFree tier

Signal on Transactional SMS Software5.1#55 of 76

AWS End User Messaging SMS provides scalable SMS messaging for applications, supporting customer notifications and conversations.

Pricing

SMS Protect — Monitor or FilterPer message; incremental to standard SMS charges. · Monitor: $0.01 · Filter: $0.01 · Allow and Block: no charge$0.01 one-time
SMS messaging (pay-as-you-go)Per message; varies by destination country/region and sometimes by carrier; country pricing tool requires JavaScript. · Prices vary by country/region · Carrier fees vary by originating number type · SMS Protect and phone-number fees may be additionalOn request

As aws.amazon.com lists them, checked 14 Nov 2026.

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Runs on

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iOS
Android

Facts

Website: aws.amazon.com
Price: $0.01 one-time
Free trial: Not stated
AI integrations: Inbound SMS can be connected to AWS Lambda functions and Amazon Bedrock for AI-powered customer workflows.
AWS integration: SMS can use phone numbers configured in the End User Messaging console while sending messages through Amazon SNS.
Developer access: Developers can access AWS End User Messaging through an API layer, CLI, and client-side SDKs.
Founded: 2006
Global coverage: The SMS service is available in over 30 AWS Regions and supports messaging to more than 240 countries and destinations.
Message delivery charges: Charges apply when messages leave AWS and reach downstream infrastructure, regardless of whether delivery succeeds.
Number portability: The FAQ states that porting numbers from external providers is not supported.
Phone reach: SMS works on basic and modern mobile phones without requiring an app, data connection, or account setup.
Security and privacy: AWS says End User Messaging data is encrypted at rest and in transit, with access limited to a very small number of authorized employees.
SMS security limitation: SMS does not provide end-to-end encryption or inherent sender authentication.
Support: Technical support cases are available through an AWS Support plan; users without one can ask questions on the AWS End User Messaging forum.
US 10DLC requirement: For SMS to US recipients, the FAQ says senders must use a short code, 10DLC number, or toll-free number.

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