NXT Enterprises

Audience: Developers, QA, Owners, Admins Outcomes: Clean pre-launch; fewer “we missed a secret” incidents

Tunnel your <code>/api/webhooks/*</code> to laptop

stripe listen --forward-to localhost:3000/api/webhooks/stripe

Provider sandboxes: simulate settlement/refund webhooks

Fixtures: record golden events; replay in tests; validate DB + SSE + invoices

- Tunnel your <code>/api/webhooks/*</code> to laptop
- Stripe CLI:
 stripe listen --forward-to localhost:3000/api/webhooks/stripe
- Provider sandboxes: simulate settlement/refund webhooks
- Fixtures: record golden events; replay in tests; validate DB + SSE + invoices

Stripe live keys loaded; test keys removed

Bank HMAC live secret set; signature verified in prod

Webhook endpoints reachable (TLS ok)

Idempotency table present; unique constraints live

CORS/CSP set to production domains only

Dashboards + alerts configured; on-call runbooks linked

- Stripe live keys loaded; test keys removed
- Bank HMAC live secret set; signature verified in prod
- Webhook endpoints reachable (TLS ok)
- Idempotency table present; unique constraints live
- CORS/CSP set to production domains only
- Dashboards + alerts configured; on-call runbooks linked

“Signature verification failed” → raw body, secret, clock skew

“Duplicate effects” → missing idempotency; add processed table/unique keys

“SSE never connects” → CORS/credentials or proxy buffering

- “Signature verification failed” → raw body, secret, clock skew
- “Duplicate effects” → missing idempotency; add processed table/unique keys
- “SSE never connects” → CORS/credentials or proxy buffering

Full happy path: card success → webhook → order DepositPaid → invoice emitted

Negative: bad signature, duplicate event, 3DS required → handled gracefully

- Full happy path: card success → webhook → order DepositPaid → invoice emitted
- Negative: bad signature, duplicate event, 3DS required → handled gracefully

___________________________________________________________

Deterministic E2E tests on laptop; precise go-live steps.

Testing Locally & Rollout

Find answers and get help from Intercom Support and Community Experts

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Testing Locally & Rollout

Local testing

Sandbox → production checklist

Troubleshooting quick answers