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Flux Payroll’s gross-to-net API calculates net pay from gross earnings with country-specific taxes and deductions. Currently supports Mexico with full ISR, IMSS, INFONAVIT, and state-level payroll tax calculations.

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Mexico Payroll Endpoints

Calculate Payroll

Calculate gross-to-net payroll for employees with predefined earnings.

Calculate with Derived Earnings

Calculate payroll with auto-generated earnings from time entries and compensation.

Get Available Earnings

Retrieve all earning types available for Mexico payroll.

Generate Earnings

Preview generated earnings from time entries without running tax calculations.

Download our OpenAPI JSON

View or download the OpenAPI specification file