Your customers aren't churning.
Their cards are.
Gatlio blocks failed subscribers at login — not the inbox. One script tag. Flat monthly rate. No percentage of your recovered revenue.
The Problem
Dunning emails don't work.
A large share of subscription churn isn't people cancelling — it's failed payments: expired cards and bank declines. It's commonly cited as 20–40% of all churn, and most of it is silent.
The standard fix is a dunning email. It lands in the promotions folder. Your subscriber never sees it. You mark them churned three weeks later.
They had no idea their card failed. You lost a customer who never intended to leave.
How it works
Up and running in under 5 minutes.
No complex integrations. No changes to your payment flow. Connect, embed, recover.
Connect your Stripe account
Authorize Gatlio via Stripe Connect OAuth. No API keys to copy. No webhooks to configure. Takes two minutes.
Embed one script tag
Paste a single line into your app header. Works on any web stack — React, Next.js, plain HTML.
<script
src="https://cdn.gatlio.io/sdk.js"
data-tenant-slug="your_tenant_slug"
data-publishable-key="pk_live_xxxx"
data-api-base="https://api.gatlio.io"
></script>SPA? Call window.Gatlio.check(customerId) after auth resolves.
Building a mobile app? Drop-in SDKs for React Native, Flutter, iOS, and Android.
Revenue recovers automatically
The moment a failed subscriber logs in, Gatlio blocks their session with a full-screen billing overlay. Card updated. Access restored. You keep 100% of what's recovered.
ENFRDEESOverlay shown in the subscriber's language automatically.
Dashboard & Analytics
See every dollar. Every retry. Every recovery.
Gatlio isn't a black box. Your tenant dashboard gives you real-time visibility into subscriber payment status, retry attempts, and every dollar recovered.
Native Mobile SDKs
Your subscribers log in on mobile.
Gatlio is there too.
Dunning emails can't reach subscribers inside your iOS or Android app. Gatlio's native SDKs enforce the same billing gate at the session level — on every platform.
All four SDKs are drop-in packages. Same enforcement logic as the web snippet — subscriber logs in, card is checked, gate shown if needed. No backend changes required.
Revenue Calculator
See what you're losing.
Estimate how much recurring revenue leaks through failed payments each year — and how much could be recovered at login.
Pricing
Flat rate.
No surprises.
Competitors charge 15% of recovered revenue — forever. At $100K MRR recovering $8K/month, that's $1,200/month gone. Gatlio is $399. Flat.
✓ We never cut enforcement scripts mid-cycle if you cross an MRR cap. Upgrades happen at month-end.
How it compares
Email asks.
Gatlio enforces.
Email tools wait for your subscriber to act. Gatlio intercepts at login — no email required, no subscriber initiative needed.
| Gatlio |
Email dunning Dunlo · Churnkey · Stunning |
% of recovered Gravy · Churn Buster |
|
|---|---|---|---|
| Blocks subscriber at login | |||
| Works without subscriber reading email | |||
| Native mobile SDKs | |||
| Pricing model | Flat monthly | Flat or % cut | 15–25% of recovered |
| Setup time | < 5 minutes | Hours | Enterprise migration |
| Stripe native | Varies |
How is this different from Stripe Smart Retries?
Smart Retries silently retries the charge in the background — no subscriber involvement. When the retry fails, the subscriber is none the wiser. Gatlio catches the subscriber at their next login and won't let them in until the card is updated. The two complement each other: Smart Retries handles passive retries, Gatlio handles the active recovery session.
What if my subscriber uses incognito mode or a different browser?
The status check is server-side: Gatlio re-checks the subscriber's payment status on every session, so there's no local cookie or cache to clear. Incognito, private browsing, or a fresh browser all trigger the same check — none of them makes a past-due subscription look current. Removing the on-page overlay itself is a different question — see the DevTools answer below.
What about my mobile app users?
Gatlio ships native SDKs for React Native, Flutter, iOS (Swift), and Android (Kotlin). Same enforcement logic — subscriber opens the app, status is checked, gate shown if needed. All four are drop-in packages with no backend changes required.
Can the overlay be bypassed with browser extensions or DevTools?
The card form itself is a cross-origin sandboxed iframe — browser extensions, CSS overrides, and your host page's own scripts can't read or tamper with it. A technical user can still open DevTools and remove the overlay from their own session; any client-side web gate can be hidden that way. But hiding the prompt doesn't pay the invoice: the gate returns on the next page load, and the subscription stays past-due until the card is updated. In practice it stops the non-technical majority — the subscribers who'd otherwise churn silently — at the moment they're most likely to act. For tamper-resistant enforcement, our native iOS and Android SDKs gate inside the app, where there are no DevTools to reach for.
What happens the moment a subscriber updates their card?
The gate page processes the update via Stripe's Payment Element, confirms immediately, and fires a postMessage to the enforcement overlay. Access is restored without a page reload — the overlay disappears and the subscriber continues as normal.
Does it work alongside my existing dunning emails?
Yes — Gatlio is additive. Keep sending dunning emails. Gatlio catches the subscribers who ignored every one. They work in parallel, covering different surface areas.
Is Gatlio GDPR compliant?
Gatlio is built data-minimal: for your subscribers we store only their Stripe customer ID and payment status — never names, emails, or card details, which stay in Stripe. The company is EU-based (Berlin). Gatlio is in pre-launch, so the formal DPA and privacy policy are issued to beta teams at onboarding rather than posted publicly yet.
Stop the leak.
Start recovering.
Be among the first to eliminate involuntary churn from your recurring revenue stack.
Request Early Access
Early access for Stripe subscription teams.
$99/mo flat — you keep 100% of recovered revenue. No credit card until you go live.
No spam. No credit card required.
The story
"A failed payment isn't a decision to leave. It's an expired card and an email nobody opens — and the subscriber is gone before they knew anything was wrong."
Gatlio started from a simple observation: the usual fix for a failed subscription payment is an email — and emails asking for money go unread. Recovering that revenue shouldn't need a finance team, a percentage cut, or hope that a subscriber checks their inbox. It should intercept at the highest-intent moment — when they're already inside your product. Built by a solo developer in Berlin.