Stop Stripe Payment Failures and Silent Churn.

Real-time payment failure monitoring for Stripe, Shopify, and subscription renewals.

Get instant alerts when payments fail, checkouts break, or renewals are at risk. AI diagnostics tell you exactly what broke, direct fix links resolve it in minutes. 20–40% of churn is silent payment failures. Now you'll catch every one.

StripePayPalShopifySOC2PCI

Payment failures silently destroy your revenue.

5–10% of payments fail unexpectedly.

Up to 40% of churn is caused by failed renewals.

Card expirations and subscription renewal failures quietly kill recurring revenue.

Stripe payment failures and Shopify checkout errors only surface after customers complain.

Webhook failures go undetected, breaking subscription logic silently.

Payouts stall due to KYC or bank restrictions, causing involuntary churn.

Most teams only notice once revenue suddenly drops. See how Rackz detects payment failures before they impact revenue.

7-Day Renewal Failure Rate

12.4%
Renewals failed last week
Pulse identified 7 high-risk customers

Checkout Conversion (Device)

Desktop:92%
Mobile:78%
Safari:67%⚠️
Mobile checkout issues detected

Failed Payments - Last 7 Days

27
$340 estimated revenue at risk

Revenue Leakage Calculator

Estimate revenue lost to involuntary churn.

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Enter MRR & churn rate to see your loss

Involuntary churn · MRR

Rackz is the intelligence layer for your payments.

Monitor every payment, detect Stripe payment failures and Shopify checkout errors early, and fix issues fast with AI payment monitoring insights. See pricing.

Detect

Identify payment failures, anomalies, and risks across all your transactions in real-time.

Diagnose

Understand root causes with AI-driven insights and detailed failure analysis.

Fix

Get actionable fixes and automated solutions to prevent revenue loss.

Payment failure detection and checkout monitoring for healthy payments.

Payment Health Score

Get a daily 0-100 score combining checkouts, payments, renewals, and payouts. Highlights risks early so you fix them before revenue drops.

Learn more →

Checkout failure detection

Detects device and browser failures like mobile or Safari issues. Spots API, CORS, and integration errors that quietly kill conversion.

Learn more →

Subscription renewal predictions

Alerts you to subscription renewal failures and weak dunning before they happen. Detects card expirations and bad decline patterns to prevent involuntary churn.

Learn more →

Chargeback monitoring

Instant chargeback alerts with evidence checklists. Payment decline analysis explains what broke, why it happened, and how severe it is with guided actions.

Webhook reliability tracking

Webhook failure diagnostics detect failed, delayed, or missing webhook events in real-time. Tracks processing errors and sends instant alerts when something breaks.

AI Fix Assistant

AI payment monitoring provides insights that explain what broke and why. Provides step-by-step fixes and direct links to the right pages in your payment provider.

Every Stripe error, explained

Not sure why a payment failed? We've documented every Stripe error code with causes, fix steps, and MRR impact.

Browse all error codes →
fraudulentcritical

The Stripe fraudulent error occurs when Stripe or the issuer suspects the payment is fraudulent, causing the charge to be declined; Stripe requires presenting this as a generic decline to customers for SaaS businesses processing subscription payments.

Affects MRR
api_connection_errorcritical

The Stripe api_connection_error error occurs when your server cannot connect to Stripe's API (e.g. network or DNS failure), causing requests to fail and potential MRR loss for SaaS businesses processing subscription payments.

Affects MRR
api_errorcritical

The Stripe api_error error occurs when Stripe's servers encounter an error (HTTP 5xx), causing the request to fail and potential MRR loss for SaaS businesses processing subscription payments.

Affects MRR
webhook_delivery_failurecritical

The Stripe webhook_delivery_failure situation occurs when Stripe cannot deliver webhook events to your endpoint (timeout, non-2xx, or unreachable), causing your app to be out of sync and MRR risk for SaaS businesses processing subscription payments.

Affects MRR
insufficient_fundshigh

The Stripe insufficient_funds error occurs when the card or account has insufficient available balance to complete the charge, causing failed renewals and lost MRR for SaaS businesses processing subscription payments.

Affects MRR
lost_cardhigh

The Stripe lost_card error occurs when the cardholder has reported the card as lost and the issuer has frozen it, causing declines and potential MRR loss for SaaS businesses processing subscription payments.

Affects MRR

How payment failure detection works

1

Connect your payment providers

Read-only OAuth connection to Stripe (and optionally PayPal or Shopify). Setup takes less than 30 seconds.

2

Rackz monitors payment events 24/7

We continuously listen to payment events, webhooks, renewals, and retries across your full payment lifecycle.

3

Failures and risk patterns are identified

Stripe payment failures, soft declines, renewal issues, and silent churn signals are detected and grouped into clear root causes.

4

You see what to fix, before revenue drops

Issues are surfaced through your Payment Health Score, with concrete explanations and direct links to take action.

Simple plans for serious revenue protection.

MonthlyYearly

30-Day Money Back Guarantee

Try Rackz risk-free. If you're not satisfied, we'll refund you — no questions asked.

Starter

$29/mo

For creators, coaches, and small e-commerce.

  • Payment Health Score
  • Failed payment alerts
  • Checkout & webhook monitoring
  • Weekly payment health report
Most Popular

Pro

$79/mo

For SaaS, memberships, subscription businesses.

  • Includes everything in Starter +
  • Renewal failure predictions
  • Smart dunning insights
  • Card expiry alerts
  • Chargeback notifications
  • Weekly subscription report

Scale

$149/mo

For agencies, marketplaces & multi-brand companies.

  • Includes everything in Pro +
  • Multi-account monitoring
  • Vendor payout & KYC alerts
  • Slack integration
  • Daily digest reporting
  • Optional CRM sync alerts

10X ROI

Average return on investment for businesses using Rackz

Feature Comparison

Compare plans to find the right fit for your business

Payment Health Score

Starter
Pro
Scale

Failed Payment Alerts

Starter
Pro
Scale

Checkout Monitoring

Starter
Basic
Pro
Advanced
Scale
Advanced

Subscription Health

Starter
-
Pro
Scale

Renewal Predictions

Starter
-
Pro
Scale

Chargeback Monitoring

Starter
-
Pro
Scale

AI Fix Suggestions

Starter
Limited
Pro
Full
Scale
Full

Multi-Account Monitoring

Starter
-
Pro
-
Scale

Vendor/KYC Monitoring

Starter
-
Pro
-
Scale

Slack Alerts

Starter
-
Pro
-
Scale

Daily Digest Report

Starter
-
Pro
-
Scale

CRM Sync Alerts

Starter
-
Pro
-
Scale

Trusted by teams who take payments seriously

See how Rackz helps teams catch payment issues before they impact revenue

Early teams using Rackz consistently discover payment failures they were previously blind to.

"We had no idea 15% of our checkouts were failing until Rackz flagged it. The alerts made it super easy to track down the bug. Took us maybe 30 minutes to fix."

SC
Sarah Chen
CTO, SaaSFlow

"Failed renewals were costing us around $50K a month. Rackz showed us exactly what was breaking, and we recovered about 60% of that in the first month."

MR
Michael Rodriguez
Founder, GrowthStack

"The fraud warnings caught three risky payments before they became chargebacks. That alone paid for the tool for the whole year."

EP
Emily Park
Head of Finance, MarketPlace Pro

FAQ

Yes. Rackz monitors Stripe payment failures, checkout errors, subscription renewal failures, and decline patterns in real time. We use read-only access — no card numbers or sensitive data.

Yes. Rackz monitors Shopify checkout errors, Stripe payment failures, and PayPal issues together. Rackz is non-invasive and your checkout flow stays the same.

Yes. Rackz detects subscription renewal failures and alerts you before customers churn. Setup takes less than a minute — no developer needed.

Rackz detects failed, delayed, or missing webhook events in real time. We track processing errors and send instant alerts when something breaks in your payment flow.

Rackz gives you the exact fix and direct links to resolve issues. Our AI explains what broke and why. Full automation is on the roadmap.

Yes. We follow strict security practices, encrypt data, and use read-only access. You can disconnect at any time. No card numbers or sensitive data are stored.

A Payment Health Score is a daily 0-100 score that combines your checkout success rate, payment success rate, subscription renewal health, and payout status into a single number. Rackz calculates this automatically and alerts you when it drops.

Stripe's dashboard shows raw transaction data but does not proactively alert you to failure patterns, predict renewal failures, detect checkout issues by device or browser, or give you a unified health score. Rackz is the intelligence and alerting layer on top of Stripe.

Setup takes less than 30 seconds. Connect your Stripe account via read-only OAuth — no code, no developer required.

Yes. Rackz monitors Stripe Connect payouts, vendor status, and KYC issues for marketplaces. We detect stalled or failed payouts in real time.

Get In Touch

Ready to integrate payments? Let's discuss your project.

Contact Information

Email

info@getrackz.com

Business Hours

Mon-Fri 9am - 6pm

Response Time

Typically within 2 hours

Ready to get started?

Schedule a free consultation to discuss your payment integration needs.

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