Changelog

March 12, 2026

• NewAPI key authentication on monitor creation — agents and scripts can now create monitors programmatically via ts_live_ keys.
• NewEvent ingest idempotency — duplicate events are silently deduplicated using client-provided idempotency keys.
• NewNode.js SDK (@tenscore/sdk) — typed methods for event tracking, monitor management, and health queries.
• ImprovedCanonical URLs on all marketing pages for better SEO.
• ImprovedAlternatives page added to sitemap.
• ImprovedIntegration guides for Segment, Next.js, and Stripe in API docs.
• SecurityTiming-safe HMAC verification on Vercel deployment webhooks.
• SecuritySSRF protection on monitor URL validation — blocks private/internal addresses.

March 11, 2026

• SecurityStripe webhook route excluded from Clerk middleware — webhooks no longer blocked by auth.
• SecurityAPI tier lookup from database instead of hardcoded default — usage limits now enforced correctly.
• SecurityAtomic usage tracking — no more race conditions on concurrent event ingestion.
• SecurityIDOR fix on API key management — users can only manage keys for their own projects.
• FixedStripe singleton — eliminated multiple Stripe client instances across routes.
• FixedCRON_SECRET validation on scheduled routes — fail-closed instead of fail-open.
• ImprovedCustom 404 and 500 error pages.
• ImprovedDynamic OG image generation for social sharing.
• Improved.env.example documenting all 18 required environment variables.

March 5, 2026

• NewSentinel Pro uptime monitoring — HTTP checks every 1-5 minutes with automatic incident detection.
• NewPublic status pages — shareable pages showing real-time uptime for your monitors.
• NewEmail + Slack alert automations — get notified when health scores drop or endpoints go down.
• NewDeployment tracking — mark deploys in your timeline to correlate with metric changes.
• NewAI-powered health summaries — natural language explanations of your score changes.
• Improved90-day response time graphs on monitor detail pages.
• ImprovedVercel deployment webhook integration for automatic deploy markers.

February 20, 2026

• NewHealth Score — 7 weighted dimensions tracking acquisition, activation, engagement, retention, conversion, revenue retention, and virality.
• New10 canonical SaaS events with strict Zod validation via @vm/analytics-core.
• NewREST API with ts_live_ API key authentication and per-project usage tracking.
• New4-tier pricing: Free (10K events/mo), Pro ($19), Growth ($49), Scale ($99).
• NewDashboard with project management, health snapshots, and event explorer.
• NewStripe billing with checkout, portal, and subscription lifecycle management.