> ## Documentation Index > Fetch the complete documentation index at: https://docs.fluxpayroll.ai/llms.txt > Use this file to discover all available pages before exploring further. # Generate Earnings > Generates earnings (SALARY, DOUBLE_OVERTIME, TRIPLE_OVERTIME, SUNDAY_PREMIUM, VACATION_PREMIUM) from time entries and compensation data. This endpoint does NOT calculate taxes — it only returns the generated earnings and calculated daily wage for each employee. Useful for previewing earnings before running full payroll calculations. Available earnings can be obtained from the [List Earnings](/api-reference/endpoint/mexico-payroll/get-earnings) endpoint. ## OpenAPI ````yaml POST /api/mexico-payroll/generate-earnings openapi: 3.0.3 info: title: FluxPayroll API description: >- API for calculating gross-to-net payroll calculations across different countries. Currently supports Mexico with ISR, IMSS, INFONAVIT, and state-level payroll tax calculations. version: 2.0.0 contact: name: FluxPayroll url: https://fluxpayroll.ai servers: - url: https://api.staging.fluxpayroll.ai description: Staging security: - apiKey: [] paths: /api/mexico-payroll/generate-earnings: post: tags: - Mexico Payroll summary: Generate earnings from time entries and compensation description: >- Generates earnings (SALARY, DOUBLE_OVERTIME, TRIPLE_OVERTIME, SUNDAY_PREMIUM, VACATION_PREMIUM) from time entries and compensation data. This endpoint does NOT calculate taxes — it only returns the generated earnings and calculated daily wage for each employee. Useful for previewing earnings before running full payroll calculations. Available earnings can be obtained from the [List Earnings](/api-reference/endpoint/mexico-payroll/get-earnings) endpoint. operationId: generateMexicoEarnings requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/GenerateEarningsRequest' example: fillDefaultSchedule: true employees: - employeeId: emp-001 employeeStartDate: '2020-01-01' compensation: type: monthly amount: 91200 workAddress: state: BCN payrollConfig: startDate: '2026-01-01' endDate: '2026-01-31' period: MONTHLY responses: '200': description: Successfully generated earnings content: application/json: schema: $ref: '#/components/schemas/GenerateEarningsResponse' example: results: - employeeId: emp-001 dailyWage: 3000 earnings: - earningCode: SALARY amount: 91200 '400': description: >- Invalid input data (e.g., time entries outside payroll period, invalid time format) content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: Unauthorized - Invalid or missing authentication token content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: Internal server error during generation content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' components: schemas: GenerateEarningsRequest: type: object required: - employees - payrollConfig additionalProperties: false properties: employees: type: array items: $ref: '#/components/schemas/GenerateEarningsEmployeeInput' minItems: 1 description: Array of employees with time entries and compensation payrollConfig: $ref: '#/components/schemas/PayrollConfig' fillDefaultSchedule: type: boolean default: false description: >- When true, auto-fills default time entries (standard work hours) for work days missing from employee timeEntries GenerateEarningsResponse: type: object required: - results properties: results: type: array items: $ref: '#/components/schemas/EmployeeEarningsOutput' description: Array of generated earnings per employee ErrorResponse: type: object required: - error - message properties: error: type: string description: Error code example: VALIDATION_ERROR message: type: string description: Human-readable error message example: Invalid input data provided details: type: array items: type: object properties: field: type: string description: Field that caused the error message: type: string description: Specific error message for the field GenerateEarningsEmployeeInput: type: object required: - employeeId - employeeStartDate - compensation - timeEntries - workAddress additionalProperties: false properties: employeeId: type: string description: Unique employee identifier example: emp-001 employeeStartDate: type: string format: date description: Employee hire date in ISO 8601 format example: '2020-01-01' compensation: $ref: '#/components/schemas/CompensationInput' timeEntries: type: array items: $ref: '#/components/schemas/TimeEntry' default: [] description: Work shifts for the payroll period workAddress: $ref: '#/components/schemas/WorkAddress' PayrollConfig: type: object required: - startDate - endDate - period additionalProperties: false properties: startDate: type: string format: date description: Payroll period start date in ISO 8601 format example: '2025-09-01' endDate: type: string format: date description: Payroll period end date in ISO 8601 format example: '2025-09-30' period: type: string enum: - DAILY - WEEKLY - MONTHLY - QUARTERLY - SEMI_ANNUAL - ANNUAL description: Payroll frequency example: MONTHLY EmployeeEarningsOutput: type: object required: - employeeId - dailyWage - earnings properties: employeeId: type: string description: Employee identifier example: emp-001 dailyWage: type: number description: Calculated daily wage in MXN example: 500 earnings: type: array items: $ref: '#/components/schemas/EarningOutput' description: Generated earnings for the payroll period CompensationInput: type: object required: - type - amount additionalProperties: false properties: type: type: string enum: - daily - weekly - monthly - annual description: Compensation frequency type example: monthly amount: type: number minimum: 0 description: Salary amount in MXN example: 15000 TimeEntry: type: object required: - date - startTime - endTime additionalProperties: false properties: date: type: string format: date description: Work date in ISO 8601 format example: '2025-09-01' startTime: type: string pattern: ^([01]\d|2[0-3]):[0-5]\d$ description: Shift start time in HH:mm 24-hour format example: '09:00' endTime: type: string pattern: ^([01]\d|2[0-3]):[0-5]\d$ description: Shift end time in HH:mm 24-hour format example: '17:00' dayOffType: type: string enum: - sick - vacation - absent - work_illness description: Type of day off, if applicable example: date: '2025-09-01' startTime: '09:00' endTime: '17:00' WorkAddress: type: object required: - state additionalProperties: false properties: state: type: string enum: - AGU - BCN - BCS - CAM - CHH - CHP - COA - COL - DIF - DUR - GRO - GUA - HID - JAL - MEX - MIC - MOR - NAY - NLE - OAX - PUE - QUE - ROO - SIN - SLP - SON - TAB - TAM - TLA - VER - YUC - ZAC description: Mexican state code example: AGU EarningOutput: type: object required: - earningCode - amount properties: earningCode: type: string description: Earning type code example: SALARY amount: type: number description: Earning amount in MXN example: 15000 securitySchemes: apiKey: type: apiKey name: x-api-key in: header ````