The One Source Federal Credit Union is a personal loan from One Source Federal Credit Union. The ongoing APR is Signature Loans Up to 12 Months | 10.99% - 17.99% Up to 72 Months | 11.99% - 17.99%. Typical credit limit: Loans up to $20,000. Loan terms: Up to 12 Months | 10.99% - 17.99% Up to 72 Months | 11.99% - 17.99%.