# api-ninjas-com Income Tax Calculator API

**Canonical:** https://apis.io/apis/api-ninjas-com/api-ninjas-com-income-tax-calculator-api/  
**Provider:** api-ninjas-com — https://apis.io/providers/api-ninjas-com/  
**Base URL:** https://api.api-ninjas.com  
**Documentation:** https://api-ninjas.com/guides

api-ninjas-com Income Tax Calculator API is one of 141 APIs that [api-ninjas-com](https://apis.io/providers/api-ninjas-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Income Tax Calculator. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and 6 JSON Schemas.

The Income Tax Calculator API calculates detailed tax information based on income, location, and filing status using the latest tax rates for the United States (including state income tax and FICA) and Canada (including provincial income tax).

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/incometaxcalculator` | Calculates detailed tax information based on income, location, and filing status |
| GET | `/v1/paycheckwithholding` | Calculates per-paycheck federal, state and FICA withholding from W-4 inputs |

## Machine-readable artifacts (9)

- **OpenAPI** — https://artifacts.apis.io/api-ninjas-com/openapi/api-ninjas-com-income-tax-calculator-api-openapi.yml
- **Documentation** — https://api-ninjas.com/guides
- **APIReference** — https://api-ninjas.com/openapi.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-zip-code-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-geocoding-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-university-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-sports-game-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-holiday-schema.json
- **JSONSchema** — https://artifacts.apis.io/api-ninjas-com/json-schema/api-ninjas-com-layoff-notice-schema.json

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## Tags

Income Tax Calculator

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/api-ninjas-com/api-ninjas-com-income-tax-calculator-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/api-ninjas-com/.