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Screenshotly
Screenshot API that watches your pages for changes
Screenshotly 2.0 — visual infrastructure for the web. Capture screenshots, PDFs and batch renders through a simple API. Then go further: monitor any URL on a schedule with pixel-level change detection, get highlighted diff images and instant alerts, and wire everything into your stack with signed webhooks. Async API v2, idempotency keys, scoped API keys, device presets and transparent usage metering.
Hey Product Hunters! Salih here, maker of Screenshotly.
The story: We started as a simple screenshot API — send a URL, get an image. But our users kept asking the same question: "You can already see the page... can you watch it for us?" That question became Screenshotly 2.0.
What's new in 2.0:
-Website Monitoring with Visual Change Detection Point us at any URL and we'll capture it on your schedule. Every run is pixel-compared against your accepted baseline — when something changes, you get a highlighted diff image, the exact change percentage, and an instant alert. Layout broke? New banner appeared? Content vanished? You'll know before your users do.
-Batch Captures with ZIP Export Hundreds of URLs in one request. Live per-URL progress, partial failures never block the rest, everything downloads as a neatly ordered ZIP.
-Signed Webhooks Get notified the moment a render finishes, a batch completes, or a monitor detects a change. Every payload is HMAC-SHA256 signed with automatic retries — CI-ready out of the box.
-API v2 — async & developer-first Job-based rendering with idempotency keys (retry safely, never duplicate work), scoped API keys, cursor pagination, PDF & WebP output, device presets, custom cookies/headers/HTTP auth, and timezone emulation.
-Transparent usage — real-time metering for screenshots, AI analysis and monitors, always visible against your plan.
Backwards compatible: existing API keys and all v1 endpoints keep working. Migration is literally "do nothing."
We're a small team shipping fast — every feature in 2.0 came from user conversations like the ones we hope to have in the comments today.
I'll be here all day answering questions. What would YOU want a screenshot API to watch for you?
About Screenshotly on Product Hunt
“Screenshot API that watches your pages for changes”
Screenshotly was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #158 on the daily leaderboard. Screenshotly 2.0 — visual infrastructure for the web. Capture screenshots, PDFs and batch renders through a simple API. Then go further: monitor any URL on a schedule with pixel-level change detection, get highlighted diff images and instant alerts, and wire everything into your stack with signed webhooks. Async API v2, idempotency keys, scoped API keys, device presets and transparent usage metering.
On the analytics side, Screenshotly competes within Web App, API and Developer Tools — topics that collectively have 741.3k followers on Product Hunt. The dashboard above tracks how Screenshotly performed against the three products that launched closest to it on the same day.
Who hunted Screenshotly?
Screenshotly was hunted by Salih Bozdemir. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Salih Bozdemir