The Income Tax API provides detailed information about current and historical income tax rates for different countries.
Currently this API supports United States (including state income tax) and Canada (including provincial income tax). If you would like to see other countries added, please let us know.
Looking for a detailed income tax calculator instead? Check out our Income Tax Calculator API.
https://api.api-ninjas.com/v1/incometax
Returns comprehensive income tax information including tax brackets and rates at both federal and state/provincial levels (where applicable).
country required2-letter country code (e.g., US, CA)
year requiredThe tax year for which to retrieve data
federal_only optionalIf set to true, returns only federal tax information without state/provincial data.
X-Api-Key requiredAPI Key associated with your account.
https://api.api-ninjas.com/v1/incometax?country=US&year=2024Headers
X-Api-KeyLog in or sign up to get your API Key1
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{
"country": "US",
"year": "2024",
"federal": {
"single": {
"brackets": [
{
"rate": 0.1,
"min": 1,
"max": 11600
},
{
"rate": 0.12,
"min": 11601,
"max": 47150
},
{
"rate": 0.22,
"min": 47151,
"max": 100525
},
{
"rate": 0.24,
"min": 100526,
"max": 191950
},
{
"rate": 0.32,
"min": 191951,
"max": 243725
},
{
"rate": 0.35,
"min": 243726,
"max": 609350
},
{
"rate": 0.37,
"min": 609351,
"max": "Infinity"
}
]
},
"...": "..."
}
}1
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import requests
country = 'US'
year = '2024'
api_url = 'https://api.api-ninjas.com/v1/incometax?country={}&year={}'.format(country, year)
response = requests.get(api_url, headers={'X-Api-Key': 'YOUR_API_KEY'})
if response.status_code == requests.codes.ok:
print(response.text)
else:
print("Error:", response.status_code, response.text)If your programming language is not listed in the Code Example above, you can still make API calls by using a HTTP request library written in your programming language and following the above documentation.