Ingyenes mindenkinek, ajánlat a skálához

The web app, public API and MCP server stay free, sized for manual research. If you need higher limits, commercial usage, or an embedded integration, request a quote and we'll issue a key.

Ingyenes

€0örökre

Open access to the public utilities, ad-supported, sized for manual use.

  • Keyword search
  • Local code decoder
  • Cousin matrix browsing
  • Class grid browsing
  • Public API + MCP access
  • 20 requests / 10 minutes · 200 / day

Többre van szüksége?

Kérjen árajánlatot

Higher limits, commercial use, embedded integrations, research datasets — tell us what you need and we'll provision a key.

  • Everything in Free
  • Raised API + MCP quotas
  • Commercial & embedded usage
  • Research dataset access
  • Direct support contact

No self-serve checkout — quotes are issued by email. We approve and bump your account; you create your own keys and watch usage on the API keys page.