Besplatno za sve, ponuda za skaliranje
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.
Besplatno
€0zauvijek
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
Treba vam više?
Zatražite ponudu
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.