API Pulse: Uptime Monitor

Monitor your APIs, microservices, and websites directly from your phone — 100% offline, privacy-first, and zero cloud dependency.

API Pulse is a developer-focused HTTP monitoring tool designed for solo creators, backend engineers, and QA testers. Track uptime, measure response latency, assert payload content, and receive instant notifications when your endpoints fail.

⚡ KEY FEATURES

• Comprehensive HTTP Method Support:
Monitor GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS requests with custom headers, query parameters, request bodies, and configurable timeouts.

• Smart Assertions:
Go beyond simple status codes. Assert expected HTTP response codes (or any 2xx), enforce maximum acceptable latency, and validate response body content (string contains matching).

• One-Tap cURL Import:
Paste any cURL command straight from Postman, browser dev tools, or terminal. API Pulse automatically extracts the URL, method, headers, and request payload seamlessly.

• Background Checks & Instant Alerts:
Reliable background monitoring scheduled around the clock. Receive high-priority notifications after consecutive failures (configurable threshold) and instant alerts when your service recovers.

• Interactive Latency Charts:
Visualize endpoint performance with clean latency trends. Track Min, Average, and Max response times, latency threshold markers, and failure spikes across customizable time ranges.

• Detailed Log History & Header Inspection:
Review paginated check history, filter by failures only, and inspect captured HTTP response headers with a single tap to copy.

• Data Ownership & Privacy:
No account creation, no external servers, no telemetry. All your endpoint configurations, auth tokens, and response histories remain securely on your local device. Export your logs anytime as CSV or JSON.

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💼 FREE vs PRO (LIFETIME)

Free Tier:
• Up to 3 active endpoints (expandable with rewarded bonus slots)
• Standard check intervals (15 minutes and above)
• 3-day log history retention

Pro Tier (One-time Lifetime Purchase):
• Unlimited endpoints
• Fast monitoring (down to 1-minute intervals)
• Unlimited log history retention
• Completely ad-free experience

Built by developers, for developers. Keep your finger on the pulse of your APIs with API Pulse.