> ## Documentation Index > Fetch the complete documentation index at: https://docs-beta.layerfi.com/llms.txt > Use this file to discover all available pages before exploring further. # Get tax details > Returns detailed breakdown of tax calculations including adjusted gross income, deductions, and federal taxes. ## OpenAPI ````yaml get /v1/businesses/{businessId}/tax-estimates/details openapi: 3.0.1 info: title: API version: latest servers: [] security: - BearerAuth: [] tags: [] externalDocs: url: / paths: /v1/businesses/{businessId}/tax-estimates/details: get: tags: - Tax Estimates summary: Get tax details description: >- Returns detailed breakdown of tax calculations including adjusted gross income, deductions, and federal taxes. operationId: business.tax-estimates.details.get parameters: - name: businessId in: path description: The UUID of the business required: true schema: type: string format: uuid - name: year in: query description: 'The tax year (e.g., 2025). Supported years: 2024-2026.' required: true schema: type: integer format: int32 - name: reporting_basis in: query description: >- The accounting basis for reporting. Defaults to the business's default reporting basis, or CASH if not set. required: false schema: type: string enum: - ACCRUAL - CASH default: CASH - name: full_year_projection in: query description: >- Whether to project income/expenses for the full year based on year-to-date data. Only applicable for the current year. Defaults to true. required: false schema: type: boolean default: false - name: Content-Type in: header description: Content-Type must be set to application/json schema: type: string responses: '200': description: Detailed tax breakdown headers: {} content: application/json: schema: $ref: '#/components/schemas/ApiTaxDetails' '404': description: Business not found content: application/json: schema: $ref: '#/components/schemas/ApiError' deprecated: false components: schemas: ApiTaxDetails: type: object properties: type: type: string description: Resource type. example: Tax_Details year: type: integer format: int32 description: The tax year for this details breakdown. example: 2025 filing_status: type: string description: Tax filing status. example: SINGLE adjusted_gross_income: $ref: '#/components/schemas/ApiAdjustedGrossIncome' taxes: $ref: '#/components/schemas/ApiTaxes' quarterly_estimates: $ref: '#/components/schemas/ApiQuarterlyEstimates' description: >- Detailed breakdown of tax calculations including adjusted gross income, deductions, and federal taxes. ApiError: type: object properties: {} example: '' description: '' ApiAdjustedGrossIncome: type: object properties: income: $ref: '#/components/schemas/ApiIncome' deductions: $ref: '#/components/schemas/ApiDeductions' total_adjusted_gross_income: type: integer format: int64 description: Total adjusted gross income, in cents. description: Adjusted gross income breakdown including income and deductions. ApiTaxes: type: object properties: us_federal: $ref: '#/components/schemas/ApiUsFederalTax' nullable: true us_state: $ref: '#/components/schemas/ApiUsStateTax' nullable: true description: Tax calculations breakdown including federal and state taxes. ApiQuarterlyEstimates: type: object properties: q1: $ref: '#/components/schemas/ApiQuarterEstimate' q2: $ref: '#/components/schemas/ApiQuarterEstimate' q3: $ref: '#/components/schemas/ApiQuarterEstimate' q4: $ref: '#/components/schemas/ApiQuarterEstimate' description: Quarterly tax estimates breakdown. ApiIncome: type: object properties: w2_income: type: integer format: int64 description: W-2 wage income, in cents. w2_withholding: type: integer format: int64 description: W-2 tax withholding, in cents. business_revenue: type: integer format: int64 description: Business revenue from Schedule C, in cents. total: type: integer format: int64 description: Total income, in cents. description: Income breakdown. ApiDeductions: type: object properties: business_expenses: type: integer format: int64 description: Total business expenses, in cents. vehicle_expense: $ref: '#/components/schemas/ApiVehicleExpense' home_office: $ref: '#/components/schemas/ApiHomeOffice' qualified_tip_deduction: type: integer format: int64 description: Qualified tip income deduction, in cents. qualified_overtime_deduction: type: integer format: int64 description: Qualified overtime income deduction, in cents. self_employment_tax_deduction: type: integer format: int64 description: Deductible portion of self-employment tax, in cents. total: type: integer format: int64 description: Total deductions, in cents. description: Deductions breakdown. ApiUsFederalTax: type: object properties: federal_income_tax: $ref: '#/components/schemas/ApiFederalIncomeTax' social_security_tax: $ref: '#/components/schemas/ApiSocialSecurityTax' medicare_tax: $ref: '#/components/schemas/ApiMedicareTax' medicare_surtax: $ref: '#/components/schemas/ApiMedicareSurtax' total_federal_tax: $ref: '#/components/schemas/ApiTotalFederalTax' description: US Federal tax breakdown. ApiUsStateTax: type: object properties: state_code: type: string description: Two-letter state code. example: CA state_name: type: string description: Full state name. example: California filing_status: type: string description: State tax filing status. example: SINGLE state_income_tax: $ref: '#/components/schemas/ApiStateIncomeTax' additional_taxes: type: array items: $ref: '#/components/schemas/ApiStateAdditionalTax' description: Additional state-specific taxes (e.g., SDI, mental health tax). total_state_tax: $ref: '#/components/schemas/ApiTotalStateTax' description: US State tax breakdown. ApiQuarterEstimate: type: object properties: us_federal: $ref: '#/components/schemas/ApiQuarterFederalTax' nullable: true us_state: $ref: '#/components/schemas/ApiQuarterStateTax' nullable: true description: Tax estimate for a single quarter including federal and state taxes. ApiVehicleExpense: type: object properties: method: type: string description: Vehicle expense calculation method. example: MILEAGE amount: type: integer format: int64 description: Vehicle expense deduction amount, in cents. description: Vehicle expense deduction details. ApiHomeOffice: type: object properties: method: type: string description: Home office deduction calculation method. example: SIMPLIFIED amount: type: integer format: int64 description: Home office deduction amount, in cents. description: Home office deduction details. ApiFederalIncomeTax: type: object properties: federal_deductions: type: integer format: int64 description: Federal deductions (standard deduction), in cents. qualified_business_income_deduction: type: integer format: int64 description: Qualified Business Income (QBI) deduction, in cents. qbi_effective_rate: type: string description: Effective QBI deduction rate after phase-out. example: '0.20' taxable_income: type: integer format: int64 description: Taxable income after deductions, in cents. effective_federal_tax_rate: type: string description: Effective federal income tax rate. example: '0.22' federal_income_tax_owed: type: integer format: int64 description: Federal income tax owed, in cents. description: Federal income tax calculation details. ApiSocialSecurityTax: type: object properties: social_security_income: type: integer format: int64 description: Income subject to Social Security tax, in cents. social_security_tax_rate: type: string description: Social Security tax rate. example: '0.124' social_security_tax_owed: type: integer format: int64 description: Social Security tax owed, in cents. description: Social Security tax calculation details. ApiMedicareTax: type: object properties: medicare_income: type: integer format: int64 description: Income subject to Medicare tax, in cents. medicare_tax_rate: type: string description: Medicare tax rate. example: '0.029' medicare_tax_owed: type: integer format: int64 description: Medicare tax owed, in cents. description: Medicare tax calculation details. ApiMedicareSurtax: type: object properties: medicare_surtax_income: type: integer format: int64 description: Income subject to Medicare surtax (above threshold), in cents. medicare_surtax_rate: type: string description: Medicare surtax rate (0.9% for high earners). example: '0.009' medicare_surtax_owed: type: integer format: int64 description: Medicare surtax owed, in cents. description: Medicare surtax calculation details for high earners. ApiTotalFederalTax: type: object properties: federal_income_tax_owed: type: integer format: int64 description: Federal income tax owed, in cents. social_security_tax_owed: type: integer format: int64 description: Social Security tax owed, in cents. medicare_tax_owed: type: integer format: int64 description: Medicare tax owed, in cents. medicare_surtax_owed: type: integer format: int64 description: Medicare surtax owed, in cents. w2_withholdings: type: integer format: int64 description: W-2 tax withholdings already paid, in cents. total_federal_tax_owed: type: integer format: int64 description: >- Total federal tax owed after withholdings, in cents. Can be negative if refund is due. description: Total federal tax summary. ApiStateIncomeTax: type: object properties: state_agi: type: integer format: int64 description: State adjusted gross income, in cents. state_deductions: type: integer format: int64 description: State deductions (standard or itemized), in cents. state_taxable_income: type: integer format: int64 description: State taxable income after deductions, in cents. effective_state_tax_rate: type: string description: Effective state income tax rate. example: '0.093' state_income_tax_owed: type: integer format: int64 description: State income tax owed, in cents. description: State income tax calculation details. ApiStateAdditionalTax: type: object properties: tax_name: type: string description: Name of the additional tax. example: CA SDI tax_rate: type: string description: Tax rate for this additional tax. example: '0.011' taxable_amount: type: integer format: int64 description: Amount subject to this tax, in cents. tax_owed: type: integer format: int64 description: Amount of this additional tax owed, in cents. description: Additional state-specific tax details. ApiTotalStateTax: type: object properties: state_income_tax_owed: type: integer format: int64 description: State income tax owed, in cents. additional_taxes_owed: type: integer format: int64 description: Total additional state taxes owed, in cents. state_withholdings: type: integer format: int64 description: State tax withholdings already paid, in cents. total_state_tax_owed: type: integer format: int64 description: >- Total state tax owed after withholdings, in cents. Can be negative if refund is due. description: Total state tax summary. ApiQuarterFederalTax: type: object properties: due_date: type: string format: date description: Due date for this quarter's payment. example: '2025-04-15' owed: type: integer format: int64 description: Amount owed for this quarter, in cents. paid: type: integer format: int64 description: Amount already paid for this quarter, in cents. balance: type: integer format: int64 description: Remaining balance for this quarter (owed - paid), in cents. description: Federal tax details for a single quarter. ApiQuarterStateTax: type: object properties: state_code: type: string description: Two-letter state code. example: CA due_date: type: string format: date description: Due date for this quarter's state payment. example: '2025-04-15' owed: type: integer format: int64 description: State tax amount owed for this quarter, in cents. paid: type: integer format: int64 description: State tax amount already paid for this quarter, in cents. balance: type: integer format: int64 description: >- Remaining state tax balance for this quarter (owed - paid), in cents. description: State tax details for a single quarter. securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: JWT ````