Run approved checkout and billing smoke tests against safe staging or test environments. Zerocheck is built to drive these high-value flows; suggested tests stay in review until your team approves them.
“I deployed a new checkout flow on Friday afternoon at 4:47 PM. After 6 minutes Slack exploded - payment processing broke and customers couldn’t complete purchases. 22 minutes of lost revenue, support tickets flooding in, and pure panic.”
DEV Communitysource
“I tried to buy your product three times. Your site kept failing. I went to your competitor instead.”
Customer quote in Optivem Journalsource
“A customer reported being charged $110 on a $100 order when tax should have been $8, not $10. All tests were green… The E2E test never verified the actual total.”
Optivem Journalsource
Stripe, Apple Pay, Klarna, and PSD2/3DS are all in rapid evolution
Stripe iframe testing is a universal pain - Cypress can’t interact with cross-domain iframes
Knight Capital lost $440 million in 45 minutes from untested code paths
Payment flows involve third-party services, redirects, and sandboxes that differ from production. V1 should be positioned around approved checkout smoke tests and safe payment-adjacent coverage, not built-in provider automation.
Most teams choose neither - they ship without checkout E2E tests and learn about failures from customer complaints. Checkout testing is still usually treated as a custom project rather than a product workflow.
Developer updates checkout code. Unit tests pass because the browser flow is not exercised. Merged Friday evening. Monday morning: customers report they cannot complete checkout. Revenue is lost before the team rolls back.
Approved checkout smoke test runs on the PR with screenshots, recording, and step trace. A blocking approved failure stops the merge. Production monitoring can also run approved critical checkout checks after a production URL is configured.
Author and approve a safe checkout smoke test for your staging or test environment
Approved checkout tests run on PRs with screenshots, recording, and step trace
SDK-bump PRs run the approved checkout smoke coverage
Production monitoring catches approved journey regressions after deployment
Other tools document their own platform controls. Zerocheck produces JSON evidence from your executed application tests.
Get coverage on the flows customers will notice when they break, without turning testing into a quarter-long infrastructure project.
Magic links and onboarding flows fail quietly. Zerocheck can run approved browser checks after you provide a safe login path.
V1 does not ship a built-in Stripe or 3DS helper, so you author the payment-field and 3DS steps yourself. Teams run approved browser tests for these flows against safe staging or test payment environments, and suggested tests stay in review until your team approves them.
Mocking is fast but misses real browser behavior. Use approved Zerocheck smoke tests for the safe parts of checkout and keep deeper payment-provider scenarios in customer-authored tests until built-in helpers ship.
V1 can run approved customer-authored browser tests for these flows against safe staging or test payment environments. It does not ship built-in payment-provider primitives, so you author the payment-field steps yourself; suggested tests stay in review until you approve them.
Input your daily transaction volume. We calculate the cost per minute of checkout downtime. A typical SaaS processing $50K/day loses $4,167 per 2-hour incident. Catching one regression per quarter pays for Zerocheck many times over.
Guard the only code path where a bug is measured in lost dollars per minute.
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