Parseium - AI Data Parsing

Turn any website into a structured JSON API in seconds

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Updated Jul 2026 · Added Jun 2026

parseium.com

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What is Parseium?

Parseium creates typed JSON APIs for any website by accepting a URL and generating a custom low-latency parser endpoint. It eliminates the need for headless browsers, proxy setup, and expensive LLM-based parsing by delivering deterministic, type-safe JSON extraction in under 10ms. Built for developers who need fast, reliable web data extraction without writing parsing code.

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Key Features of Parseium

Custom JSON APIs for any webpage
Type-safe automatic typing (String, Number, Boolean, Date, Array, Object)
Low-latency parsing (under 10ms per page)
Always-warm browsers with no cold starts
Managed rotating premium proxies included
AI-powered parser editing via chat
Pre-built ready-to-use parsers (Instagram, TikTok, Reddit, YouTube)
Deterministic parsing (no LLM variability)
Works with any scraping stack or headless browser
Self-healing parsers (coming soon)
Free tools: HTTP Request Analyzer, Link Extractor, Meta Tag Extractor, Table Extractor

Who Should Use Parseium?

Extract product data from e-commerce sites

Collect Instagram profile data and metrics

Parse TikTok video metadata and engagement stats

Scrape Reddit post content and statistics

Extract YouTube video metadata and analytics

Automate data extraction without writing parsing scripts

Scale to thousands of pages per day

Integrate parsing into existing scraping pipelines

Parseium: Pros & Cons

✓Pros

Much faster than LLM-based extraction
No maintenance needed for DOM changes
Deterministic results (consistent, predictable output)
Low-latency (sub-10ms parsing)
No cold starts on browser instances
Premium proxies included
Easy AI-powered parser updates via chat
Works with any scraping setup or language
Type-safe JSON output
Free during beta with unlimited /parse requests

✕Cons

Limited to 3 custom parsers during beta
Rate limit of 1 request per second on /parse endpoint
Self-healing feature still coming soon

Frequently Asked Questions about Parseium

Does Parseium use an LLM to extract data, or does it parse deterministically?

Parseium uses deterministic parsing, not LLMs. It builds a low-latency parser endpoint for each webpage and returns consistent, type-safe JSON output every time; no variability from model inference. This approach also runs in under 10ms per page, which LLM-based extraction typically cannot match.

How much will rotating proxies cost me beyond Parseium's subscription?

Rotating premium proxies are included with Parseium at no additional cost. You do not need to source or manage proxy infrastructure separately; they are part of the service.

Can I use Parseium with my existing web scraper, or do I have to replace my whole stack?

Parseium works as an add-on to any scraping setup or headless browser. You can point your existing scraper at the custom JSON API endpoints that Parseium generates, so you keep your current tools and language and just swap in the parsing layer.

If Parseium has pre-built parsers for Instagram and TikTok, can I use those directly?

Yes, Parseium ships with ready-to-use parsers for Instagram, TikTok, Reddit, and YouTube that you can use immediately. You can also build custom parsers for any other website by submitting a URL and refining the output via chat.