Fastn AI Orchestration Platform
Fastn · Coding · Marketing · Other · Chatbot
Fastn is composable middleware for B2B SaaS. Embed one widget, let customers connect their own apps, and expose the same connectors to AI agents through MCP with logged permissions.
About Fastn AI Orchestration Platform
What Is Fastn
Fastn is an embedded integration platform for B2B SaaS teams. A product company embeds one React widget, and its customers then connect the apps they already use, pick the fields they care about, and manage their own setup. The vendor stops writing one connector per customer request.
The product sits between your application and third party services such as Salesforce, HubSpot, Snowflake, NetSuite, or Slack. That position makes it integration middleware in the practical sense: it handles authentication, field mapping, retries, and monitoring so your engineers don't rebuild the same plumbing for every account.
There is a second layer that matters more each quarter. The same connectors can be exposed to AI agents as tools, so an assistant in Claude, Cursor, or another MCP client can read and write customer data under the permissions already granted. Fastn positions itself as an AI orchestration platform for those agent calls, with every request logged.
The limits are worth stating up front. Fastn is built for software vendors, not for individuals wiring up personal automations, and pricing runs per customer connection rather than per workflow. You still need an engineering team to embed the widget, decide which objects sync, and handle your own data model. The self-healing maintainer agent is an Enterprise feature, so smaller plans leave breakage with your team.
Getting Started
- Create an account at app.fastn.dev and pick the Launch plan, which covers three customer connections at no cost.
- Install the embed package, then render the connect card in your app with your organization id and a short lived token.
- Choose the apps and objects your customers will see, and set defaults for field mapping so the first connection isn't a blank form.
- Invite one pilot customer, watch the first sync in the health view, and use the run history to fix mapping errors before a wider rollout.
Product Information
A quick look at Fastn AI Orchestration Platform's pricing, supported platforms, and performance.
Best for
The users, tasks, and scenarios where this tool fits best.
Users
- Product teams at B2B SaaS companies
- Sales engineers facing stack questions
- Platform engineers who own integrations
Tasks
- Shipping customer-facing integrations without building each connector
- Letting customers configure their own syncs
- Giving AI agents access to customer apps
- Monitoring many tenants at once
Scenarios
- A sales demo where the buyer asks about an app you don't support yet
- Onboarding an enterprise customer with unusual field names
- An API change that breaks a sync overnight
Key features
Single Widget Embed
The connect card ships as a React component from the @fastn-ai/embed package. You pass an organization id, a token, and a callback for completed connections, then the catalogue and builder appear inside your product. One component covers every integration your customers can reach, which is the core promise of an embedded integration platform.
Connector Catalogue and Custom Builder
Fastn lists connectors for CRM, finance, HR, data warehouses, messaging, and ticketing apps, and the catalogue grows every week according to the company. If a customer asks for something missing, the builder lets you or them assemble a connector from an API definition instead of waiting on a release.
AI Agents as Builders and Maintainers
A builder agent turns a prompt or an API spec into a working connector and tests it, paid for with monthly AI credits. On Enterprise, a maintainer agent watches for broken auth, moved endpoints, and retired API versions, then writes and tests the repair. This is the part that makes the platform more than workflow automation middleware with a chat box.
Per-Customer Health and Run History
Each tenant gets its own status view: last sync, retries, failures, and latency. Run history keeps three days on Launch, seven on Scale, and 30 or more on Enterprise. The practical effect is that support can answer "is our Salesforce sync working" without asking engineering to read a shared log.
Auth, Mapping, and Retry Handling
OAuth tokens refresh automatically, field mappings survive schema changes where possible, and failed webhooks retry with backoff. Fastn also handles the boring parts of multi-tenant work, such as separate credentials per customer and per-environment sandboxes. Your team defines the data contract and stops there.
Security and Deployment Options
The platform runs on fastn Cloud with encrypted credentials, role based access, and SOC 2 Type II controls. Enterprise adds SSO and SAML, data residency, private cloud or self-hosted deployment, white-label embedding, and contractual SLAs with a named engineer.
Pros and cons
Pros
- One embed can replace a long connector roadmap, and the work of keeping each integration alive shifts to the vendor.
- Customers configure their own mappings, which cuts setup tickets and shortens onboarding for unusual accounts.
- The same connector works in the widget, through one API, and as an MCP tool for AI agents, with permissions and logs shared across all three.
- Pricing tracks customer connections rather than per-integration or per-workflow fees, so adding connectors doesn't raise the bill.
- Security coverage is credible for enterprise buyers: SOC 2 Type II, granular roles, private networking, and a self-hosting option.
Cons
- The entry price jumps from free to $500 per month on an annual commit, which is steep for a small vendor with a handful of customers.
- Self-healing maintenance is Enterprise only, so Scale customers still fix broken integrations themselves, with help from the builder agent.
- Scale includes 10 customer connections and charges $50 for each extra one, a cost that grows quickly for products with many small accounts.
- The platform expects a modern web stack and a React front end. Teams on older frameworks will spend time on the embed rather than on integrations.
Frequently asked questions
Fastn is an embedded integration platform that B2B SaaS companies put inside their own product. Customers connect their apps through one widget, and Fastn handles auth, mapping, retries, and monitoring for those connections.
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