
ApiFlash
Urlbox
ScreenshotOne
ScreenshotAPI.net
Screenshot Machine
HTMLCSS to Image API
CaptureKit.dev
URL2PNG
Threadbound
Notion
ApiFlash is loaded with nice features to make sure you are able to make the pixel perfect screenshots you need to make. Full page screenshots, true IP-geolocated screenshots, proxies, user-agent, viewport dimensions ...
Threadbound turns messy Slack threads into clean, structured docs in Notion.
Important decisions happen in Slack threads and then disappear the moment the conversation moves on, buried under sidetracked replies and a wall of ๐ reactions. Threadbound fixes that.
React to any message in a thread with a configured emoji, and Threadbound:
No manual write-ups. No "can someone document this." React, and the doc shows up in your team's Notion database, linked back to the original thread.
Free to start, with unlimited captures on paid plans.
ApiFlash
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Threadbound's answer:
General AI assistants inside Slack (like Notion's own Custom Agents or Atlassian Rovo) are built to answer questions and search your workspace on demand. Threadbound does one thing specifically: turn a single thread into a permanent, structured record the moment someone reacts to it, no prompting, no asking the AI a question, no separate workflow to remember. It's a single emoji react, not a tool you have to learn.
Threadbound's answer:
Most Slack summarizer tools give you a paragraph. Threadbound gives you a document: a summary, the decisions that were made with the reasoning behind them (when it was actually stated in the thread), and any action items pulled out as checkboxes, published straight to Notion. It's also built for reliability rather than just a single API call, if one model returns a malformed or low-quality result, it automatically retries or falls back to another model rather than publishing something broken.
Threadbound's answer:
Small to mid-sized teams, mostly engineering and product teams, who already run Slack and Notion side by side and make a lot of decisions asynchronously in threads. It's built for teams that feel the pain of "wait, what did we actually decide?" a few times a week, not occasionally.
Threadbound's answer:
It started from a personal frustration: important decisions kept happening inside long Slack threads, and a week later nobody could reconstruct what had actually been agreed on, just an endless scroll and a pile of reactions. What began as a simple "summarize this thread" bot turned into a more serious project once it became clear that getting reliable, correctly-formatted output out of an LLM consistently is the actual hard part, not calling the API.
Threadbound's answer:
Next.js and TypeScript for the app, hosted on Vercel, with Supabase for the database and auth. It integrates with the Slack Web API and the Notion API, uses Stripe for billing, and the LLM layer is built on the Vercel AI SDK with support for multiple providers (Claude, Gemini, and others) so it isn't locked to a single model.
Based on our record, ApiFlash seems to be more popular. It has been mentiond 6 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.
ApiFlash is fast and cheap (Chrome on AWS Lambda, $7/mo for 1,000) but has only Third-party MCP wrappers โ fine for a quick experiment, riskier for production. ScreenshotAPI.net Has a broad parameter set (element capture, video, PDF, data extraction) from $9/mo but no MCP server at All. Thum.io is the cheapest raw price ($0.20/1,000) with a no-signup branded free Tier, but full-page is a paid feature, there's... - Source: dev.to / 28 days ago
I built a screenshot API called ApiFlash. https://apiflash.com Quite a few of my clients use it to add "always up to date" screenshots to their documentation. - Source: Hacker News / over 2 years ago
Hello. I'm currently using apiflash to grab pictures from several sites and I love its simplicity (a REST-API you can invoke from curl and build your request on their site). The only downside is that their free plan is a little scarce and only allows 100 requests per month. Do you know of any selfhosted alternative? Source: about 4 years ago
ApiFlash - A Chrome based screenshot API built on top of AWS Lambda for Developers. - Source: dev.to / about 5 years ago
ApiFlash โ A screenshot API based on Aws Lambda and Chrome. Handles full page, capture timing, viewport dimensions, ... - Source: dev.to / about 5 years ago
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.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
ScreenshotOne - Fast and reliable screenshot API built to handle millions of screenshots a month.
ScreenshotAPI.net - Generate beautiful website screenshots using our fast website screenshot API.
Screenshot Machine - Screenshot machine is an online website capturing service. Creates a screenshot or thumbnail of any online web page in couple of seconds for free.
HTMLCSS to Image API - Convert HTML to an image (jpg, png, webp). Renders images exactly like Google Chrome. Works with PHP, JavaScript, Ruby, .NET and more.