Contact Us
Questions, corrections, or feedback? We’d like to hear from you.
Get in touch
The best way to reach us is by email. We respond to all messages, typically within 2 business days.
Email: contact@bythemath.com
Reporting errors
If you notice incorrect card data (a wrong annual fee, outdated rewards rate, or any other inaccuracy), please let us know. Include the card name and what you believe is incorrect and we will investigate and correct it promptly.
Read our Corrections Policy →Methodology questions
If you have questions about how a card is scored, why a card ranks where it does, or how our scoring model works, we are happy to explain. The full methodology is published and we welcome feedback on how to improve it.
Read the full methodology →What to include in a correction
The card’s full name, the page where you saw the figure, what the issuer shows today, and ideally a link to the issuer’s page. We check every report against the issuer before changing anything, and errors we confirm are listed in our corrections log.
Issuers and loyalty programs
Issuers and programs can send us a link to new or changed card terms, transfer partners or a transfer bonus. We review it like any other source; being listed is free and no one can pay for a better position.
Privacy requests
To ask what data we hold about you or to have it deleted (for example, if you subscribed to our newsletter), email us from the address involved. Our privacy policy explains what we collect, including advertising and analytics cookies, and how to opt out of personalized ads.
What we don’t do
We do not accept paid placements in rankings or sponsored content. Any ads are served by Google and are separate from our rankings. Contacting us to request a card be featured, promoted, or ranked higher will not result in any change to our rankings.