The grade that holds water.
Niagara is an independent grading house built around AI vision. Submit a card, get a transparent 1.0–10.0 grade in under a minute, and walk away with a printable certificate anyone can verify by scan ID.
- <30s
- AI turnaround
- 1.0–10.0
- Decimal grades
- Public
- Verifiable IDs
Watch the process
From shoebox to slab, in under a minute.
See exactly what happens when you submit a card to Niagara — capture, analysis, certificate.
How it works
Four steps. No paperwork.
Capture
Snap clear front and back photos in good light.
Submit
Tell us the card name, year, and category.
Grade
AI vision scores centering, corners, edges, surface.
Certify
Get a printable cert with a unique scan ID.
Verify a Certificate
Every Niagara grade is public.
No account needed. Type any scan ID and see the original images, grade breakdown, and value estimate.
Why Niagara
Built different on purpose.
| Niagara | Legacy grading | |
|---|---|---|
| Turnaround | Under 30 seconds | Weeks to months |
| Price | From $0 to verify | $25–$300+ per card |
| Shipping required | ||
| Public verification | Limited | |
| Decimal grades | Whole numbers | |
| Value estimate included |
AI condition analysis
Centering, corners, edges, surface — a transparent 1.0–10.0 score from a vision model trained on grading principles.
Printable certificate
Editorial slab-style cert with both card images, decimal grade breakdown, and a unique NCG scan ID.
Verifiable forever
Anyone can look up your certificate by scan ID — no account required to verify a card.
Market value estimate
Every grade ships with a USD low–high value range and short rationale tied to the assigned condition.
Your scans, your call
Delete a scan whenever you want. Anonymous browsing for visitors who just want to look around.
Always-on assistant
Ask Nia, the in-app assistant, anything about grading, pricing, or how to get the best photos.