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Developer-first tax infrastructure for Nigeria

Build Nigerian tax compliance into your product with Pioe.

Tax compliance as code. Embed PAYE, VAT, PIT, and CIT compliance into any application.

pioe-blackgoat.js
// Initialize Pioe API
const pioe = require('@pioe/node');
pioe.setApiKey(process.env.PIOE_API_KEY);

// Calculate PAYE for employee
const result = await pioe.paye.calculate({
  grossSalary: 500000,
  reliefs: ['pension', 'nhf', 'nhis'],
  state: 'lagos'
});

console.log(result);
// {
//   taxableIncome: 450000,
//   payeTax: 45000,
//   netSalary: 455000,
//   breakdown: { ... }
// }

// File directly to FIRS
await pioe.paye.file(result);

Built for developers

Everything you need to integrate Nigerian tax compliance

Fast Integration
Get started in minutes with our RESTful API and comprehensive SDKs
Secure & Compliant
Built for FIRS & LIRS compliance with enterprise-grade security
Well Documented
Clear documentation, code examples, and interactive API playground
Developer Tools
CLI tools, webhooks, and real-time testing environment

Embed tax compliance into your workflow

From startups to large organizations.

Payroll Platforms

Automate PAYE calculations and filing for your payroll software

Accounting Software

Embed VAT and CIT compliance directly into your accounting tools

Fintech Apps

Add tax compliance features to your financial products

HR Systems

Integrate tax filing and compliance into your HR platform

Start building today

Join developers building the future of tax compliance in Nigeria

If you have a standard Personal Income Tax (PIT) return only (Salary/Employment income, and common reliefs such as Pension, NHF, NHIS, and Life Assurance), you can file seamlessly with Blackgoat Basic. Roughly 65% of Nigerian taxpayers are eligible for this standard filing category.

Examples of situations included in a Standard PIT Return:

  • Employment Income (PAYE) from one or more employers
  • Interest and Dividends (where WHT is final tax)
  • Consolidated Relief Allowance (CRA)
  • Pension Contributions (RSA)
  • National Housing Fund (NHF) Contributions
  • National Health Insurance Scheme (NHIS) Contributions
  • Life Assurance Premiums
  • Business Expenses (for specialized Self-Employed filings)

Blackgoat Advanced (for situations not included in Standard Return):

  • Complex Capital Gains adjustments
  • Foreign Income with double taxation treaty claims
  • Complex Trust or Estate income
  • Business Income requiring audited financial statements
Get an Expert Match for BlackgoatAdvanced →

Blackgoat Guarantees

100% Accurate Calculations Guarantee: If you pay a State Internal Revenue Service (SIRS) or NRS (formerly FIRS) penalty or interest because of a Blackgoatcalculation error, we'll pay you the penalty and interest. You are responsible for paying any additional tax liability you may owe. This guarantee is good for the lifetime of your tax return, defined as six years from the date you filed it.

Maximum Tax Savings Guarantee: If you get a larger refund or smaller tax due from another tax preparation method by filing an amended return, we'll refund the applicable Blackgoat purchase price paid. This guarantee is applicable to the specific tax year filed.

Audit Support Guarantee: If you receive an audit letter from a State Board of Internal Revenue or NRS (formerly FIRS) based on your Blackgoat individual or business return, we will provide one-on-one question-and-answer support with a tax professional. We will not represent you before the tax authority or provide legal advice unless you have purchased the Audit Defense add-on.

Satisfaction Guaranteed: You may use Blackgoat Online without charge up to the point you decide to print or electronically file your tax return. Printing or electronically filing your return reflects your satisfaction with Blackgoat Online.

* Prices are subject to change without notice. Internet access required; standard data rates apply to download and use mobile app.

is a Product of Grid Services a Child company of Marvengrey Technologies Nigeria Ltd.