API Endpoint

Income Tax (Generic)

Calculate estimated income tax based on income, deductions, and tax rate.

Endpoint

POST https://likeoptions.com/api/v1/calculate/tax

Also supports GET with query parameters.

Parameters

Parameter	Type	Default	Description
`grossIncome`	number	—	Gross income ($)
`deductions`	number	—	Total deductions ($)
`taxRate`	number	—	Tax rate (%)
`credits`	number	0	Tax credits ($)

Request Examples

POST (JSON body)

curl -X POST https://likeoptions.com/api/v1/calculate/tax \
  -H "Content-Type: application/json" \
  -d '{"grossIncome": 100000, "deductions": 50000, "taxRate": 6}'

GET (query parameters)

curl "https://likeoptions.com/api/v1/calculate/tax?grossIncome=100000&deductions=50000&taxRate=6"

Response

{
  "kind": "tax",
  "result": {
    "primary": 1234.56,
    "secondary": [
      { "label": "Example metric", "value": 100, "format": "money" },
      { "label": "Example percent", "value": 5.5, "format": "percent" }
    ]
  }
}

When to Use

Estimate tax liability
Plan tax withholding
Compare filing scenarios

Error Handling

400 Bad Request — Invalid input parameters or missing required fields
404 Not Found — Unknown calculator kind
429 Too Many Requests — Rate limit exceeded (120 req/hour per IP)
413 Payload Too Large — Request body exceeds 16 KB

Related Endpoints

Income Tax (India)

View request examples in JavaScript, Python, cURL, and more →