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    Partner API

    Quickstart

    Make your first request to the Tax Nigeria Partner API in under 5 minutes.

    Quickstart Guide

    Integrate Nigeria's official tax intelligence engine into your application in under 5 minutes.

    Obtain Your API Key

    1. Log into your Tax Nigeria Workspace.
    2. Open Settings from the bottom-left sidebar menu.
    3. Select the Developer tab.
    4. Click Create New Key, give it a descriptive name (e.g., Payroll Integration - Prod), select the required scopes (such as tax:calculate), and copy your API key secret immediately.

    API keys begin with the prefix txn_. Store your secret key securely in an environment variable (TAX_NIGERIA_API_KEY).

    Make Your First Calculation Request

    Compute personal income tax (PAYE) for an employee earning ₦8,500,000 annually with statutory deductions (Pension, NHF, NHIS):

    curl -X POST "https://taxnigeria.ng/api/v1/tax/paye" \
      -H "Authorization: Bearer txn_your_api_key_here" \
      -H "Content-Type: application/json" \
      -d '{
        "annualGrossSalary": 8500000,
        "pensionContribution": 680000,
        "nhfContribution": 212500,
        "nhisContribution": 425000,
        "lifeAssurance": 0
      }'

    Inspect the Response

    The API returns a typed response with exact tax breakdowns, Consolidated Relief Allowance (CRA), statutory deductions, and human-friendly spoken summaries:

    {
      "annualGrossSalary": 8500000,
      "consolidatedReliefAllowance": 1900000,
      "statutoryDeductions": {
        "pension": 680000,
        "nhf": 212500,
        "nhis": 425000,
        "lifeAssurance": 0,
        "total": 1317500
      },
      "taxableIncome": 5282500,
      "annualTax": 1056500,
      "monthlyTax": 88041.67,
      "effectiveTaxRate": 12.43,
      "taxBands": [
        { "band": "First ₦300,000", "rate": 7, "taxableAmount": 300000, "taxDue": 21000 },
        { "band": "Next ₦300,000", "rate": 11, "taxableAmount": 300000, "taxDue": 33000 },
        { "band": "Next ₦500,000", "rate": 15, "taxableAmount": 500000, "taxDue": 75000 },
        { "band": "Next ₦500,000", "rate": 19, "taxableAmount": 500000, "taxDue": 95000 },
        { "band": "Next ₦1,600,000", "rate": 21, "taxableAmount": 1600000, "taxDue": 336000 },
        { "band": "Above ₦3,200,000", "rate": 24, "taxableAmount": 2082500, "taxDue": 496500 }
      ],
      "spokenSummary": "For an annual gross salary of ₦8,500,000, the total annual PAYE liability is ₦1,056,500, resulting in a monthly deduction of approximately ₦88,041.67. Effective tax rate is 12.43%."
    }

    Next Steps

    • Explore Authentication & Scopes to manage permissions and rate limits.
    • Review 2026 Nigerian Tax Act Updates to see exemption rules and statutory thresholds.
    • Browse the API Reference for CIT, WHT, Penalties, AI Query, and Chat endpoints.

    Introduction

    Welcome to the Tax Nigeria Developer Platform and Partner API documentation.

    Authentication

    Securely authenticate with the Tax Nigeria Partner API using scoped API keys.

    On this page

    Quickstart GuideObtain Your API KeyMake Your First Calculation RequestInspect the ResponseNext Steps