Integrations your customers ask for.
Pick or build integration templates once. Your customers customize them to fit how they work, inside your product, and fastn keeps them all working, on autopilot.
Live in hours, not weeks · 99.9% uptime SLA · SOC 2 Type II
Built for sales platforms.
All the apps your customers use, always connected. See the catalogue →
Trusted by customers
“fastn enables us to move faster and smarter. By embedding their infrastructure directly into our platform, we can now offer secure, observable, and extensible integrations at scale, with less effort and more control. It's helping us evolve from reactive support to proactive intelligence.”
HPWorkforce Experience Platform team“Our customers wanted alerts delivered where they already work, not just through email. With fastn, we were able to add those delivery options without having to build and maintain each integration ourselves, while staying focused on our core product.”
“Before fastn, every customer integration started with custom development, so little of the work carried over between projects. Today our team builds on proven patterns, delivers integrations much faster, and scales customer implementations with far less effort.”
“Product marketing teams want Getwhys connected to their CRM. With fastn those CRMs connect inside our product without our engineers building and maintaining each integration, so the team stays focused on the product.”
“We replaced Workato with fastn completely. One of our most critical integrations, every order flowing between our OMS and EDI partners, moved over in a week. Nothing was lost, it costs us 80% less, and we gained AI-native features Workato never gave us.”
Three steps, then it runs itself
One widget embed for you. Simple connect and configure steps for your customers. More time to focus on core product development.
Embed the fastn widget
import { FastnConnectCard } from '@fastn-ai/embed/react';
export function Integrations() {
return (
<FastnConnectCard
orgId={org.id}
token={token}
onConnected={(e) => {}}
/>
);
}They connect and configure their stack
Data flows, monitored
Apps your customers can connect, inside your product
Every integration monitored, retried, and healed
Retention lift for customers using an integration (ProfitWell)
Embed the widget once.Customers connect and configure their integrations.
fastn handles the plumbing (auth, mapping, retries, monitoring) so your customers just connect what they need and it works.
Every integration, already done
Your customers connect their own accounts, select the integrations they use, and customize them to fit how they work. Nothing lands on your team.
Say yes in the sales call
One embedded widget lights up the whole integration catalog. “Do you support X?” stops being a roadmap conversation and becomes a toggle.
One integration serves your customers, your product and your agents
Your customers, in the widget. Your product, through one unified API. Your agents, Claude, Cursor or any MCP client, with your permissions and every call logged.
Kept working when apps change
An API moves, auth rotates, a version is retired. fastn’s agents see it, write the fix and test it. The work stays with fastn, not your team.
Engineers back on product
After the one-time widget embed, build and maintenance trend to zero. Teams that want deeper control can still drop into code.
Pass security review calmly
SOC 2, granular RBAC, private networking, full observability, self-hosting. Built for systems your customers can’t afford to get wrong.
Integration health,surfaced per customer.
One dashboard for every customer’s integrations: what synced, what retried, what failed, and what needs attention.
| Integration | Tenant | Last sync | 24h | Status |
|---|---|---|---|---|
Salesforce | acme-prod | 12s ago | healthy | |
Snowflake | borealis | 40s ago | API change absorbed | |
HubSpot | corex-eu | 1m ago | auto-retried · recovered | |
Zendesk | delta | 5s ago | healthy |
Describe the integration. We’ll wire it.
For the ones not already built. Describe it in plain words, the same way your customers do inside your product. fastn’s agents pick the apps, write the logic, run the checks, and the integration only ships once your customer approves it.
You shouldn’t have to choosebetween building it all and handing over an API.
Build them yourself and your team can’t build them all, let alone customize each one and keep it working. Hand customers API docs and hope they build it. Either way, you risk losing the customer.
A backlog you own
Every integration, every customer variation and every API change lands on your engineers.
Docs and hope
You give customers API access and documentation, and hope they build it.
Integrations inside your product
fastn builds them, your customers customize them to fit how they work, and nothing lands on your team.
One missing integration hurts every team
Sales loses the deal.
Success loses the customer.Engineering loses the roadmap.
Stop losing deals to a missing integration
“Do you support X?” becomes “yes”, every time. Close the deals that used to die in security and stack review.
Deliver what sales promised
Customers go live with the integrations they were sold, in days not quarters. Customers who connect their systems are the ones who stay.
Get your roadmap back
One embedded widget replaces the entire integration backlog. Your team ships product while customers configure their own integrations.
Connect the systems your customers actually run on
Live catalog · new integrations ship every week
Never lose a dealto a missing integration.
Embed the widget once, let your customers customize the integrations to fit how they work, and fastn keeps it all working. No infrastructure to run, nothing lands on your team.
3 connected accounts free · pay as you scale · no sales call required