engineering
All articles with this tag.
Registrar API Rate Limits: Retries and Backoff with Jitter
Learn how to implement rate limits, retries, and exponential backoff with jitter when calling registrar APIs to avoid throttling and duplicate domain registrations.
Hosting Automation Platform Trial Scorecard: 10 Pass/Fail Checks
Use this 14-day trial scorecard to evaluate hosting automation platforms. Ten pass/fail checks predict production readiness before you migrate customers.
How to Measure Domain Attach Rate per Plan and Cohort
Learn how to instrument domain attach rate per plan and cohort in your hosting billing system to uncover its true contribution margin impact.
EU VAT for hosting invoices: automate reverse charge
Learn how to automate EU VAT and reverse charge on hosting invoices. Validate VAT IDs, apply place-of-supply rules, and store audit-ready evidence.
Safe Cron Sweep for Hosting Auto-Suspension
Learn how to design a safe cron sweep for hosting auto-suspension with SQL guardrails, batch limits, and dry-run checks that prevent suspending the wrong account.
Replace Polling with Signed Webhooks for Hosting Events
Learn how to replace polling loops with signed webhooks for hosting event automation. Implement HMAC verification, timestamp tolerance, and replay protection.
Idempotency Keys and Webhook Replay in Hosting Billing
Learn how idempotency keys and webhook replay prevent duplicate charges and missed renewals in hosting billing, keeping your revenue safe and clients happy.
Hosting Automation Alert Triage: Blast Radius and Customer Impact
Learn a practical framework to classify hosting automation failures by blast radius and customer impact, so you know which alerts need immediate action, which can wait, and which are just noise.
Uptime SLA Explained: 99.9% vs 99.99% Downtime Minutes
Translate uptime SLAs like 99.9% and 99.99% into real monthly downtime minutes and learn how to set maintenance windows, monitor effectively, and communicate with customers.
Reduce PCI DSS Scope in Hosting Billing: A Practical Guide
Learn how to reduce PCI DSS scope in your hosting billing system by tokenizing card data, masking customer PII in admin panels, and enforcing least-privilege staff roles.
How Provisioning Modules Map Billing Events to cPanel, Plesk, and Virtualmin API Calls
Learn how provisioning modules translate billing events into cPanel, Plesk, and Virtualmin API calls, and how to handle failures and reconcile accounts created in the panel but not in billing.
Zero-Downtime DNS Cutover: A Playbook for Live Migrations
Learn how to migrate live websites with zero downtime using DNS TTL pre-lowering, split-horizon checks, and instant rollback triggers. A practical playbook for hosting resellers.