| description | Everything you need to go from signup to a working embedded integration — what Fastn is, how it works, and your first end-to-end build. |
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Fastn is an embedded integration platform for SaaS companies. You embed it into your product, and your customers get native integrations with the apps they already use without you building or maintaining the overall infrastructure.
This section walks you through the platform from first principles to a working integration.
What is Fastn — Who the platform is for, what it replaces, and how the core product areas work together.
Platform Overview — How the platform is organized. Covers the four main sections (Home, Integrations, Activity, Settings), the onboarding steps, and the architecture underneath.
Signing Up as a SaaS Partner — Create your account, pass the validation pipeline, and get your API keys and dashboard access.
Your First Integration — Build a working integration from scratch using Fastn's AI functionalities
If you already have a Fastn account and want to jump straight to building, go to Your First Integration.