How Data Access Works
Three ways to access Cordata datasets — each designed for a different research workflow. All options let you purchase and download immediately.
One-time Vintage Purchase
Buy a single, static snapshot of a dataset. Ideal for a specific paper, thesis, or course — you get exactly what you need, pay once, and you’re done.
- One-time payment, no recurring fees
- Instant download after purchase
- Fixed snapshot — perfect for reproducible research
- CSV and JSON formats included
- Full documentation and methodology notes
- Cite as a versioned, dated release
Perfect for: paper projects, course work, one-off analyses
Refresh Subscription
Subscribe to a dataset and receive updated versions on a set schedule — quarterly or annually. Ideal for research panels and longitudinal studies that need current data.
- Quarterly or annual update frequency
- Always access the latest version
- All previous snapshots included for comparison
- Changelog with every release
- API access + CSV/JSON download
- Priority support
Perfect for: longitudinal panels, ongoing research programs
API & Bulk Access
Programmatic access to all datasets via REST API. Designed for institutions, research labs, and advanced users who integrate data directly into pipelines or tools.
- Full REST API with JSON responses
- High-volume query limits
- Access to all current and future datasets
- Dedicated account manager
- Custom data integrations on request
- University invoicing & purchase orders
Perfect for: institutions, research labs, automated pipelines