DATPAQ Income Tax API
US federal income tax estimates and brackets
US federal income tax estimates and brackets
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openapi: 3.2.0
info:
title: Datpaq Com Income Tax API
version: 1.1.0
contact:
name: Datpaq Support
url: https://datpaq.com
license:
name: Proprietary
description: 'Operations tagged Income Tax across 2 of this provider''s published API definitions: datpaq-com.yaml, datpaq-com-openapi.yaml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://datpaq.com/api/v1
description: Production
- url: https://staging.datpaq.com/api/v1
description: Staging
security:
- ApiKeyHeader: []
- ApiKeyQuery: []
tags:
- name: Income Tax
description: US federal income tax estimates and brackets
paths:
/income-tax:
get:
tags:
- Income Tax
operationId: incomeTaxEstimate
summary: Estimate federal and state income tax
parameters:
- name: income
in: query
required: true
description: Gross income
schema:
type: number
example: 120000
- name: filingStatus
in: query
required: false
description: single (default), married_joint, or head_of_household
schema:
type: string
example: single
- name: taxYear
in: query
required: false
description: Tax year (default 2024)
schema:
type: integer
example: 2024
- name: deductions
in: query
required: false
description: Deductions beyond the standard deduction
schema:
type: number
example: 5000
- name: taxCredits
in: query
required: false
description: Federal tax credits
schema:
type: number
example: 2000
- name: stateRate
in: query
required: false
description: State tax rate percentage (0-20)
schema:
type: number
example: 5.5
responses:
'200':
description: Success
content:
application/json:
schema:
$ref: '#/components/schemas/GenericSuccess'
example:
success: true
filingStatus: single
taxableIncome: 100400
totalFederalTax: 17663
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
'429':
$ref: '#/components/responses/RateLimited'
default:
$ref: '#/components/responses/ServiceUnavailable'
servers:
- url: https://datpaq.com/api/v1
description: Production
- url: https://staging.datpaq.com/api/v1
description: Staging
/income-tax/brackets:
get:
tags:
- Income Tax
operationId: incomeTaxBrackets
summary: Get federal tax brackets
parameters:
- name: filingStatus
in: query
required: false
description: single (default), married_joint, or head_of_household
schema:
type: string
example: single
- name: taxYear
in: query
required: false
description: Tax year (default 2024)
schema:
type: integer
example: 2024
responses:
'200':
description: Success
content:
application/json:
schema:
$ref: '#/components/schemas/GenericSuccess'
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
'429':
$ref: '#/components/responses/RateLimited'
default:
$ref: '#/components/responses/ServiceUnavailable'
servers:
- url: https://datpaq.com/api/v1
description: Production
- url: https://staging.datpaq.com/api/v1
description: Staging
/income-tax/catalog:
get:
tags:
- Income Tax
operationId: incomeTaxCatalog
summary: List supported years, filing statuses, and sources
responses:
'200':
description: Success
content:
application/json:
schema:
$ref: '#/components/schemas/GenericSuccess'
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
'429':
$ref: '#/components/responses/RateLimited'
default:
$ref: '#/components/responses/ServiceUnavailable'
servers:
- url: https://datpaq.com/api/v1
description: Production
- url: https://staging.datpaq.com/api/v1
description: Staging
components:
schemas:
ErrorResponse:
type: object
properties:
error:
type: string
description: Human-readable error message
example: Invalid API key
correlationId:
type: string
description: Request tracking identifier for support
example: abc123-def456-789ghi
service:
type: string
description: Service name that produced the error
example: ip-geolocation
GenericSuccess:
type: object
description: Standard success envelope. The data property structure varies by endpoint.
properties:
correlationId:
type: string
description: Request tracking identifier
example: abc123-def456
data:
type: object
description: Response payload (structure varies by endpoint)
cached:
type: boolean
description: Whether the response was served from cache
example: false
responses:
BadRequest:
description: Bad request — missing or invalid parameters
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
RateLimited:
description: Rate limit exceeded — retry after the indicated period
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
ServiceUnavailable:
description: Service temporarily unavailable
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
Unauthorized:
description: Unauthorized — missing or invalid API key
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
securitySchemes:
ApiKeyHeader:
type: apiKey
in: header
name: x-api-key
description: API key passed via x-api-key request header
ApiKeyQuery:
type: apiKey
in: query
name: api_key
description: API key passed as api_key query parameter
x-refined-from:
- datpaq-com.yaml
- datpaq-com-openapi.yaml