SPEI, which stands for Sistema de Pago Electrónico Interbancario, is a crucial electronic interbank payment system in Mexico. Spearheaded by Banco de México, the nation's central bank, SPEI plays a pivotal role in facilitating secure and efficient electronic fund transfers between financial institutions across the country. This payment method has significantly modernized and streamlined the financial landscape in Mexico, allowing for seamless transactions, including everything from everyday purchases to large-scale financial operations. Bancode México's dedication to maintaining the long-term value of Mexico's currency underscores its commitment to fostering economic stability and enhancing the overall well-being of the Mexican populace. Their vision of being a highly respected and transparent institution underscores their mission to ensure the integrity and reliability of payment systems like SPEI, underpinned by unwavering technical expertise and ethical standards.