# APIdown.net > Real-time API health status powered by crowd-sourced production traffic. ## About APIdown.net monitors the health of popular third-party APIs (Stripe, OpenAI, AWS, Twilio, etc.) using real production traffic from developers who integrate our lightweight SDK. Unlike vendor status pages, our data comes from actual API consumers — giving you an unbiased, real-time view of whether an API is truly down or degraded. ## Key Features - Real-time status dashboard for 30+ popular APIs - Crowd-sourced health signals from production traffic - Automatic anomaly detection and incident creation - Alert subscriptions (email, Slack, Discord, PagerDuty, Teams) - Lightweight JavaScript SDK (~2KB) for signal reporting - Public JSON API for programmatic status checks - Free tier for individual developers ## URLs - Homepage: https://apidown.net - API Status Dashboard: https://apidown.net - Incidents: https://apidown.net/incidents - SDK Documentation: https://apidown.net/docs - Pricing: https://apidown.net/pricing - JSON API: https://apidown.net/api-status - Sitemap: https://apidown.net/sitemap.xml ## API Categories - Payments (Stripe, PayPal, Square, Braintree) - AI / LLM (OpenAI, Anthropic, Google Gemini, Cohere, Replicate, Groq) - Communications (Twilio, SendGrid, Mailgun, Postmark) - Cloud — AWS (S3, Lambda, SES, CloudFront) - Cloud — GCP (Cloud Functions, Cloud Storage, Vertex AI) - Cloud — Azure (Blob Storage, Cosmos DB, Azure Functions) - Auth & Identity (Auth0, Clerk, Firebase Auth, Okta) - Database / Storage (Supabase, PlanetScale, MongoDB Atlas, Upstash) - Dev Tools & Hosting (GitHub, Vercel, Netlify, Cloudflare, Railway) ## Contact - Website: https://apidown.net - GitHub: https://github.com/dj-pearson/apidown