Free, interactive developer tools to calculate SLA error budgets, test live API endpoint latencies, and debug HTTP response status codes.
Calculate exact permitted downtime per day, week, month, and year for any SLA availability target (e.g. 99.9%, 99.95%, 99.99%, 99.999%).
Test any public or sandbox API endpoint in real-time. Measure latency in milliseconds, verify HTTP status codes, and inspect response headers.
Complete RFC reference and remediation guide for 200, 301, 400, 401, 403, 404, 429, 500, 502, 503, and 504 status codes.
Everything you need to know about API uptime, SLA calculations, and monitoring with Uptara.
Yes. All Uptara developer tools are 100% free with no account or credit card required. You can use them directly in your browser.