CaptureKit.dev
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Urlbox
ApiFlash
CloudBrowser.co
Screenshot Scout
ScreenshotRender
Langfuse
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LangSmith
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Braintrust.dev
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CaptureKit is an all-in-one web scraping API designed for developers and businesses to automate web content extraction and visualization effortlessly. With a single API request, CaptureKit allows users to capture high-resolution website screenshots, extract structured data, retrieve metadata, scrape links, and generate AI-powered summariesโwithout the hassle of managing browser automation or web scraping infrastructure.
Capture high-quality full-page or viewport screenshots in multiple formats, ensuring pixel-perfect captures.
Upload Screenshots to S3: Automatically upload screenshots to Amazon S3 for easy storage and access.
Extract HTML, metadata, and structured website data for SEO audits, research, and automation.
Fetch internal and external links from any page for SEO analysis, content discovery, or backlink research.
Generate concise AI-powered summaries of web content, making it easy to extract key insights.
Block ads, pop-ups, and cookie banners, ensuring clean, distraction-free screenshots.
Customize rendering with viewport settings, dark mode, and interaction-based captures.
Sign Up & Get an API Key โ Instantly receive a free API key to start using CaptureKit.
Send an API Request โ Pass a website URL and define your extraction needs (screenshot, HTML, links, or AI summary).
Receive Structured Data โ CaptureKit processes your request and delivers clean, structured content in seconds.
CaptureKit simplifies web data automation, empowering developers and businesses to extract, analyze, and visualize web content efficiently.
Langfuse is an open-source LLM engineering platform designed to empower developers by providing insights into user interactions with their LLM applications. We offer tools that help developers understand usage patterns, diagnose issues, and improve application performance based on real user data. By integrating seamlessly into existing workflows, Langfuse streamlines the process of monitoring, debugging, and optimizing LLM applications. Our platform's robust documentation and active community support make it easy for developers to leverage Langfuse for enhancing their LLM projects efficiently. Whether you're troubleshooting interactions or iterating on new features, Langfuse is committed to simplifying your LLM development journey.
CaptureKit.dev
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Based on our record, Langfuse should be more popular than CaptureKit.dev. It has been mentiond 28 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
CaptureKit ships an official MCP server and pairs screenshots with a Page Content API (HTML/Markdown/AI summaries) and stealth proxies, from $7/mo for 1,000 credits. That content Side is handy when your agent needs both a screenshot and clean page text to reason over. Best for: Indie developers building agents that need clean web content for an LLM alongside captures. - Source: dev.to / 8 days ago
Setting up Puppeteer for reliable full-page screenshots requires handling numerous edge cases. If you need a faster, more reliable solution without the complexity, CaptureKit API offers a simple alternative:. - Source: dev.to / about 1 year ago
{ "success": true, "data": { "metadata": { ... }, "links": { ... }, "html": "Hello, world!", "sitemap": { "source": "https://capturekit.dev/sitemap.xml", "totalLinks": 3, "links": [ "https://www.capturekit.dev/", "https://www.capturekit.dev/page-content", "https://www.capturekit.dev/ai" ] } } }. - Source: dev.to / over 1 year ago
Sign up for a CaptureKit account at capturekit.dev. - Source: dev.to / over 1 year ago
In this project we will build a Python banking assistant agent using Strands Agents and make it observable and continuously evaluated using Langfuse โ step by step. - Source: dev.to / 21 days ago
Langfuse is the open-source standard for LLM observability. It traces every LLM interaction โ prompts, completions, latency, token usage, cost โ and provides the tooling to debug, evaluate, and optimize LLM applications in production. Think of it as "Datadog for LLM calls" with a focus on prompt engineering workflows. - Source: dev.to / about 1 month ago
You're monitoring production traffic. You need Langfuse / Phoenix / Helicone / Braintrust for that. Online eval is a different problem class: implicit feedback, drift detection, hallucination rates on your data, not on HellaSwag. - Source: dev.to / about 2 months ago
Gateway or proxy attribution. A reverse proxy in front of the model-provider API records the request, computes the cost, and exposes per-customer breakdowns. Open-source options include Helicone, LiteLLM, Langfuse, and OpenLLMetry. Hosted equivalents serve as the AI cost observability layer for teams that want centralized visibility: LangSmith, Datadog LLM Observability, Arize Phoenix. Adds a network hop.... - Source: dev.to / about 2 months ago
Same approach works with Langfuse, Phoenix, Braintrust, or your existing OTel pipeline โ the metadata.userId pattern is the universal part. - Source: dev.to / 2 months ago
ScreenshotOne - Fast and reliable screenshot API built to handle millions of screenshots a month.
Helicone AI - Open-source LLM Observability for Developers
ScreenshotAPI.net - Generate beautiful website screenshots using our fast website screenshot API.
LangSmith - Build and deploy LLM applications with confidence
Urlbox - Screenshot full page websites in retina resolution with Urlbox.io screenshot as a service API. Urlbox is the best provider of automated website screenshots offering many unique options and features.
LangChain - Framework for building applications with LLMs through composability