5 Common Mistakes to Avoid When Applying for a Loan
Borrowers in Mexico often face credit rejections due to avoidable errors, including failing to check credit reports from Buró de Crédito or Círculo de Crédito and ignoring the Costo Anual Total (CAT). According to industry guidelines, these mistakes increase perceived risk for lenders and raise the total cost of borrowing for the consumer.
Credit applications can be overwhelming for first-time users. While some rejections are inevitable, many stem from poor preparation or a lack of attention to contract details.
Why should borrowers check credit scores first?
Lenders in Mexico typically review data from private agencies like Buró de Crédito and Círculo de Crédito to determine approval. These reports detail active accounts, payment history, credit limits, balances, and previous inquiries.
Individuals have the right to one free credit report from each agency every 12 months. Checking these reports allows borrowers to start a clarification process for errors before submitting a new application.
How does applying to multiple lenders affect approval?
Submitting several formal applications simultaneously may signal financial urgency or previous rejections to lenders. Each formal request typically triggers a “hard inquiry” on the borrower’s credit report.
While a single inquiry is generally unremarkable, multiple inquiries in a short window can make a profile appear riskier. This occurs even if the applicant’s income remains stable.
What is the ideal loan amount relative to income?
Requesting the maximum available amount rather than the necessary sum often leads to higher payments and increased budget pressure. Many lenders prefer that total monthly debt payments remain between 30% and 40% of verified net monthly income.

To determine a realistic amount, borrowers should subtract fixed costs—such as rent, utilities, transport, food, phone bills, and school expenses—from their monthly income. This calculation helps identify a payment level that avoids undue stress.
Why is the CAT more important than monthly payments?
Low monthly installments can be misleading and may not reflect the total cost of a loan. The Costo Anual Total (CAT) is the primary indicator for comparing credits in Mexico because it annualizes all costs, including interest, commissions, insurance, and IVA.
Banco de México requires all financial institutions to publish the CAT for their products. A lender that fails to show the CAT or claims it does not apply is considered a red flag, as two loans with identical interest rates can have vastly different total costs due to commissions.
What should be verified in a credit contract?
Signing a contract without a thorough review can commit a borrower to unintended terms. Three specific areas require attention: penalties for early repayment, whether the interest rate is fixed or adjustable, and the conditions under which a lender can change agreement terms.
Reputable lenders typically answer questions regarding these terms before a signature is required.
Digital Credit Alternatives
DiDi Préstamos offers a digital revolving credit service through the DiDi Finanzas app. The service is regulated by PROFECO and does not require a guarantor or proof of income.

Borrowers can request between $200 m.n. and $46,800 m.n. Payments are accepted via SPEI or OXXO, with interest rates and conditions disclosed before the user makes a decision.
Frequently Asked Questions
Which agency regulates DiDi Préstamos?
DiDi Préstamos is regulated by PROFECO.
What components are included in the CAT?
The CAT includes interest, commissions, insurance, IVA, and any additional charges expressed as an annualized percentage.
What is the recommended debt-to-income ratio for most lenders?
A common benchmark is for total monthly debt payments to stay between 30% and 40% of verified net monthly income.
Which factor do you prioritize most when comparing loan offers: the monthly payment or the total annual cost?