ToolScout.

Katzilla

Katzilla provides a comprehensive data backbone for AI agents, focusing on making US government data accessible and trustworthy.

Free tierPrice verified 2026-10-07Visit site ↗
Compare

Our verdict

Who it's for

The data backbone for AI agents, providing trusted government data with built-in citation.

Who should look elsewhere

Primarily focused on US government data, which may limit utility for international-only applications.

Pros

  • +Ensures high trustworthiness and reduces AI hallucinations with primary source citations.
  • +Consolidates a vast array of government data behind a single, easy-to-use API.
  • +Offers specialized tools for comprehensive data access, including web scraping and monitoring.
  • +Supports critical applications where accuracy and verifiable sources are paramount.
  • +Provides a generous free tier for evaluation and prototyping.

Cons

  • −Primarily focused on US government data, which may limit utility for international-only applications.
  • −Higher usage tiers can become costly for very large-scale operations.
  • −Reliance on API for core functionality means developers need to integrate it into their agents.

Key features

  • ✓Single API key for all major US government data sources
  • ✓217+ tool-use actions across 27 agent categories
  • ✓Access to 250,195 validated Data.gov datasets
  • ✓Built-in citation metadata for every response
  • ✓Katzilla Scrape for non-API government web pages
  • ✓Katzilla Signal for monitoring primary sources and curated digests
  • ✓Katzilla Ask for natural-language queries with cited answers
  • ✓SDKs for various programming languages

Pricing

PlanPriceBillingNotes
Free$0month1,000 requests / month; 30 req / min; Every data source
Pro$49month100,000 requests / month; 25 req / sec; Webhooks
Business$199month500,000 requests / month; 100 req / sec; Cross-source joins
Starter$499month2M / mo; 200 req/s; Higher volume
Growth$1499month10M / mo; 500 req/s; Higher volume
Scale$4999month50M / mo; 1,000 req/s; Higher volume

Integrations

GitHub

Alternatives & comparisons

More in AI Agents & Assistants

All →