Process customer payments securely and efficiently while balancing transactions across two payment processors for performance, compliance, and redundancy. Functions * Integrate with two independent payment processors for redundancy and load balancing * Apply business rules to select payment processor based on: * Order total * Daily total charged per processor * Time of day * Priority

Accurately calculate sales tax for customer orders based on destination, product type, and applicable tax rules. Functions * Integrate with TaxJar Sales Tax API to determine the correct tax rate for each transaction using up-to-date jurisdiction data * Support multiple tax rules, including state, county, city, and special district taxes * Handle tax-exempt