# Capital One + Quadratic

Capital One is a top-10 U.S. bank with $490 billion in assets, known for industry-leading credit cards and digital banking. Connect your Capital One accounts to Quadratic to maximize travel rewards, track cash back, and analyze your complete financial picture.

- Connect Capital One 360 checking, savings, and money market accounts.
- Track Venture X, Venture, and VentureOne miles earnings.
- Monitor Savor and SavorOne cash back rewards by category.
- Analyze Quicksilver unlimited cash back across all purchases.
- Import Capital One auto loan payment history.
- Secure Plaid connection with read-only data access.

[Get Started](https://app.quadratichq.com/)

## Why Capital One + Quadratic?

Capital One's innovative rewards programs deserve equally innovative analysis tools.

### Miles Optimization

Analyze spending to maximize Venture miles and understand the best transfer partner values for your travel goals.

### Card Portfolio

Track multiple Capital One cards together to see how Venture, Savor, and Quicksilver complement each other.

### Digital-First Banking

Capital One 360 is built for digital - combine it with Quadratic for the most tech-forward banking experience.

## Use Cases

How Quadratic users analyze their Capital One accounts.

### Travel Rewards Tracking

- Track Venture X 10x miles on hotels and rental cars via Capital One Travel.
- Monitor Venture 2x miles on all purchases.
- Analyze transfer partner values for award bookings.

### Dining & Entertainment

- Track Savor 4% cash back on dining and entertainment.
- Monitor streaming service rewards with SavorOne.
- Analyze restaurant spending patterns for maximum rewards.

### High-Yield Savings

- Monitor Capital One 360 Performance Savings growth.
- Track interest earned across savings accounts.
- Compare savings rates to other institutions.

### Auto Loans

- Track Capital One auto loan payments and balance.
- Monitor payoff progress over time.
- Analyze total interest paid vs. remaining.

### AI-powered Capital One analysis

Query your Capital One data naturally. "How many Venture miles did I earn on travel this year?" or "Compare my Savor rewards to Quicksilver" - get instant answers and visualizations.

### Beyond the Capital One app

Capital One's app is great for basics. Quadratic goes deeper - analyze trends, forecast rewards, build custom dashboards, and combine Capital One with other accounts for a complete financial picture.

### Bank-grade security

Connect through Plaid with enterprise security. Your Capital One credentials are handled by Plaid only, and Quadratic receives read-only access with SOC 2 compliance.

## FAQ

### How do I connect my Capital One account to Quadratic?

In Quadratic, go to Connections, select Plaid, and search for Capital One. Sign in with your Capital One credentials to establish a secure, read-only connection.

### Which Capital One credit cards are supported?

All Capital One consumer credit cards are supported including Venture X, Venture, VentureOne, Savor, SavorOne, Quicksilver, QuicksilverOne, and secured cards.

### Can I track Capital One miles in Quadratic?

You can analyze spending patterns that earn miles, track bonus category purchases, and understand your earning velocity to estimate miles accumulation.

### Does Quadratic support Capital One 360 accounts?

Yes. All Capital One 360 products including checking, savings, money market, and CD accounts are fully supported through the Plaid integration.

### Can I connect Capital One auto loans?

Yes. Capital One auto loan accounts can be connected to track payment history, current balance, and payoff progress alongside your other accounts.

### Is the connection secure?

Yes. Quadratic uses Plaid for secure authentication. Your Capital One credentials are never stored by Quadratic, and all data access is read-only.