Overview
Documentation for Outpost, the enterprise SMS messaging platform built on AWS End User Messaging.
Outpost is an enterprise SMS messaging platform: sending, delivery tracking, retries, phone validation, opt-out management, webhooks, and pre-aggregated analytics with multi-tenant isolation.
What is Outpost?
The platform in plain language: what it does and who it is for.
Getting Started
Send your first SMS: a tenant, a project, an API key, and a send.
How Outpost Fits Together
See every component of the system and how they relate to each other.
Messages
The core entity: a single SMS tracked from creation through delivery, failure, or block.
Webhooks
Get message and phone events pushed to your own systems.
The Dashboard
Admin console how-tos: manage tenants, send messages, and inspect phones.
API Reference
Every endpoint, schema, and error, generated from the OpenAPI document.