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What is a Cosigner on a Credit Card?

4 min read
Last Updated: February 3, 2026

Key Takeaways

  1. A cosigner on a credit card could help the main borrower access credit.
  2. A cosigner takes responsibility for paying back a loan if the primary borrower doesn’t pay the debt.
  3. Most major credit card issuers don’t allow cosigners but do allow adding an authorized user to an account.

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