Access to over 250k datasets of 30+ US and foreign government agencies with one unified API. Get structured JSON response for AI agent ingestion. Each response carries a structured citation (source URL, retrieval timestamp, SHA-256 hash). Additional tools like Scrape, Watch, and Brief to get information related to data and keep track on updates or changes.
Hey PH 👋 I'm Paul
I've spent the last year watching AI agents hallucinate government
numbers. Ask Claude or GPT "what were Apple's last four 10-Q
filings?" and you'll get something plausible from training data —
stale, half-right, no citations. The moment it matters — an
investment memo, a compliance check, a research report — is the
moment the answer breaks.
The fix isn't a smarter model. It's plumbing. Every serious agent
needs the same primary sources — SEC EDGAR, FDA recalls, Federal
Register, Congress.gov, clinical trials, BLS, FRED, NOAA, USGS,
Census. Each one has its own auth, rate limits, response shape.
Wiring up all 30+ agencies is weeks of glue code, and even after
you do, your agent can't actually cite what it read.
Katzilla is that plumbing. One API key, 287+ tool-use actions, 32
agent-ready categories, 250,195 validated Data.gov datasets — and
every response comes back with a structured citation (source URL,
retrieval timestamp, SHA-256 data hash). Your agent stops guessing
and starts saying "I got this from sec.gov 3 minutes ago."
What ships today:
• Data — every US gov API, 2,500 req/mo free, no card
• Scrape — when the data's behind HTML (1K/mo free)
• Watch — subscribe to patterns, get webhooks when records fire
• Ask — NL queries over the corpus, citations on every answer
• Brief — editorial digests written from primary sources
Works in Claude Desktop, ChatGPT, Cursor via MCP. TypeScript + Python
SDKs. OpenAPI 3.1 for everything else.
I'd love to hear:
1. Which gov source you'd plug in first
2. An agent workflow that breaks today because of data reach
3. Anything the docs miss
Free key in one click: https://katzilla.dev/signin. AMA in the
comments.
— Paul
This is so complex, what kind of data can we know, e.g. about citizens? Is it compliant with their private information?
About Katzilla on Product Hunt
“Easy goverment data access for citizens, optimized for AI”
Katzilla launched on Product Hunt on April 21st, 2026 and earned 83 upvotes and 5 comments, placing #21 on the daily leaderboard. Access to over 250k datasets of 30+ US and foreign government agencies with one unified API. Get structured JSON response for AI agent ingestion. Each response carries a structured citation (source URL, retrieval timestamp, SHA-256 hash). Additional tools like Scrape, Watch, and Brief to get information related to data and keep track on updates or changes.
Katzilla was featured in API (98.1k followers), Developer Tools (511.2k followers) and Artificial Intelligence (466.5k followers) on Product Hunt. Together, these topics include over 163.1k products, making this a competitive space to launch in.
Who hunted Katzilla?
Katzilla was hunted by Paul Vongjalorn. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Katzilla stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Paul Vongjalorn