Income Tax Brackets API - Ruby Gem

Income Tax Brackets is a tool for retrieving US federal income tax bracket data by year. It returns tax rates, income ranges, and standard deductions for all filing statuses.

Installation

Add this line to your application's Gemfile:

gem 'apiverve_incometax'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install apiverve_incometax

Getting Started

Get your API key at APIVerve

Basic Usage

require 'apiverve_incometax'

# Initialize the client
client = APIVerve::Incometax::Client.new(api_key: "YOUR_API_KEY")

# Make a request
response = client.execute({
  country: "US",
  year: 2024
})

# Print the response
puts response

Error Handling

begin
  response = client.execute({ country: "US", year: 2024 })
  puts response["data"]
rescue APIVerve::Incometax::ValidationError => e
  puts "Validation error: #{e.errors.join(', ')}"
rescue APIVerve::Incometax::APIError => e
  puts "API error: #{e.message}"
  puts "Status code: #{e.status_code}"
end

Debug Mode

# Enable debug logging
client = APIVerve::Incometax::Client.new(
  api_key: "YOUR_API_KEY",
  debug: true
)

Example Response

{
  "status": "ok",
  "error": null,
  "data": {
    "year": 2025,
    "country": "US",
    "type": "federal",
    "brackets": {
      "single": [
        {
          "rate": 0.1,
          "min": 0,
          "max": 11925
        },
        {
          "rate": 0.12,
          "min": 11926,
          "max": 48475
        },
        {
          "rate": 0.22,
          "min": 48476,
          "max": 103350
        },
        {
          "rate": 0.24,
          "min": 103351,
          "max": 197300
        },
        {
          "rate": 0.32,
          "min": 197301,
          "max": 250525
        },
        {
          "rate": 0.35,
          "min": 250526,
          "max": 626350
        },
        {
          "rate": 0.37,
          "min": 626351,
          "max": 999999999
        }
      ],
      "married_filing_jointly": [
        {
          "rate": 0.1,
          "min": 0,
          "max": 23850
        },
        {
          "rate": 0.12,
          "min": 23851,
          "max": 96950
        },
        {
          "rate": 0.22,
          "min": 96951,
          "max": 206700
        },
        {
          "rate": 0.24,
          "min": 206701,
          "max": 394600
        },
        {
          "rate": 0.32,
          "min": 394601,
          "max": 501050
        },
        {
          "rate": 0.35,
          "min": 501051,
          "max": 751600
        },
        {
          "rate": 0.37,
          "min": 751601,
          "max": 999999999
        }
      ],
      "married_filing_separately": [
        {
          "rate": 0.1,
          "min": 0,
          "max": 11925
        },
        {
          "rate": 0.12,
          "min": 11926,
          "max": 48475
        },
        {
          "rate": 0.22,
          "min": 48476,
          "max": 103350
        },
        {
          "rate": 0.24,
          "min": 103351,
          "max": 197300
        },
        {
          "rate": 0.32,
          "min": 197301,
          "max": 250525
        },
        {
          "rate": 0.35,
          "min": 250526,
          "max": 375800
        },
        {
          "rate": 0.37,
          "min": 375801,
          "max": 999999999
        }
      ],
      "head_of_household": [
        {
          "rate": 0.1,
          "min": 0,
          "max": 17000
        },
        {
          "rate": 0.12,
          "min": 17001,
          "max": 64850
        },
        {
          "rate": 0.22,
          "min": 64851,
          "max": 103350
        },
        {
          "rate": 0.24,
          "min": 103351,
          "max": 197300
        },
        {
          "rate": 0.32,
          "min": 197301,
          "max": 250500
        },
        {
          "rate": 0.35,
          "min": 250501,
          "max": 626350
        },
        {
          "rate": 0.37,
          "min": 626351,
          "max": 999999999
        }
      ]
    },
    "standard_deduction": {
      "single": 15000,
      "married_filing_jointly": 30000,
      "married_filing_separately": 15000,
      "head_of_household": 22500
    },
    "lastUpdated": "2026-02-05T04:00:00.000Z"
  }
}

Documentation

For more information, visit the API Documentation.

Support

• Website: https://apiverve.com/marketplace/incometax?utm_source=ruby&utm_medium=readme
• Email: hello@apiverve.com

License

This gem is available under the MIT License.