fastn

fastn is an embedded integration platform for SaaS companies. It enables products to embed an integration catalog and builder so customers connect and customize the apps they already use without building or maintaining the underlying infrastructure. It targets B2B SaaS teams that need to offer native integrations inside their product and manage them centrally.

The platform embeds a widget for customers to connect their accounts, configure integrations, and have data flow automatically. fastn handles authentication, mapping, retries and monitoring, so the work stays with fastn rather than the product team.

It provides per-tenant isolation, monitoring and alerts, automated fixes under SLA on Enterprise, and security features including SOC 2 Type II, granular RBAC, private networking, and self-hosting options. The product emphasizes uptime, visibility, and security as core capabilities.

Plans include Launch, Scale, and Enterprise with different per-customer connection allowances and AI credits, and the option for private hosting and white-label embedding on higher tiers.

Use cases

• For revenue teams, avoid losing deals to missing integrations by offering ready-made connectors
• For customer success, customers go live with integrations sold to them in days
• For engineering, replace the integration backlog with a single embedded widget