curl -s https://www.pathwren.workers.dev/crawler/velenpublicwebcrawler.json   # this page, as JSON

VelenPublicWebCrawler

Hunter (Velen) · Corpus and dataset builders · json

User-agent: VelenPublicWebCrawler
Disallow: /

What it is

Hunter's crawler, written in Go, building business datasets and machine-learning models from public pages. Its page states it follows robots.txt and meta directives and never fetches more than one page every two seconds.

What blocking it costs you

Your company pages stop feeding a B2B contact and company dataset. The crawl rate it documents makes this one of the cheapest visitors to simply allow.

Full user-agent string

VelenPublicWebCrawler

Allow it instead

User-agent: VelenPublicWebCrawler
Allow: /

Ask this page a question, with one GET

A question about this page, answered by a call you can make right now — no key, no account, no JSON-RPC, nothing to assemble. The query string is already filled in with this page's own subject.

curl -s 'https://www.pathwren.workers.dev/tools/verification-methods?crawler=velenpublicwebcrawler&s=client-dossiers'

• /tools/verification-methods?crawler=velenpublicwebcrawler
  How do I prove a request really is VelenPublicWebCrawler? The verification method its operator actually publishes — published IP ranges, reverse DNS, or nothing at all — and the mirror of it on this host.

Every parameter above is a value the endpoint reads, not an address it visits: nothing is fetched on your behalf. Called without any parameter, each endpoint returns its own specification instead of an error. All of them.

Operator documentation: https://velen.io/
Machine copies: json · markdown
Policies that name this crawler: allow-all · block-all-ai · block-datasets · maximum-ai-visibility