Data Sources

Every type of data BrainAi can collect — all free, all live.

Data Sources

Every type of data BrainAi can pull — all free, all live. Click Try to hit the real API.

14 live sources
0 API keys required
4 domains covered
Jina Reader
free

Any URL → clean LLM-ready markdown. Zero setup.

Lightweight fetch
free

Raw HTTP fetch, title/meta/text/links extraction. Fastest tier.

Wayback Machine
free

Check if a URL is archived and get the latest snapshot.

Wikipedia
free

Search + fetch page summary. Perfect for Tier 3 instant answers.

DuckDuckGo Instant Answer
free

Instant abstracts, definitions, and related topics.

Hacker News (Algolia)
free

Search HN posts, comments, users — no auth.

GitHub search
free

Public repo search — stars, language, description.

Reddit
free

Public search across all subreddits.

YouTube oEmbed
free

Video title, author, thumbnail — no API key.

crt.sh (Cert Transparency)
free

Enumerate subdomains via public TLS certificate logs.

RDAP (modern WHOIS)
free

Registration data, nameservers, status — free & standardized.

DNS over HTTPS
free

Live A/AAAA/MX/TXT/NS lookups via Cloudflare 1.1.1.1.

HIBP Pwned Passwords
free

SHA-1 k-anonymity check — password never leaves the tier boundary.

Username presence (Sherlock-lite)
free

Check a handle across GitHub, Reddit, HN, GitLab, Dev.to, Medium.

Where these plug in
Instant Answer cascade
Wikipedia + DuckDuckGo feed Tier 3. Lightweight fetch is Tier 2. Jina Reader is the default Tier 5 deep engine.
OSINT workflows
crt.sh + RDAP + DNS-over-HTTPS run in parallel for domain recon. Username + HIBP power identity pivots.
Social & media pipelines
Reddit JSON + YouTube oEmbed give post/video metadata with zero auth — chainable into transcripts and comment scraping.
Try the full cascade in Universal Scraper.