Nigerian income tax (PAYE) and take-home pay under the Nigeria Tax Act 2025.
Nigeria PAYE API is a free Finance API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
Free JSON API to calculate Nigerian PAYE, pension, NHF and take-home pay under the Nigeria Tax Act 2025, with band breakdown and old-law comparison. No API key. Plus an embeddable calculator.
Details from orionsoftlimited.com.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Connect to bank accounts using official bank APIs and get raw transaction data
The Nigeria PAYE API is provided by Orion Soft (orionsoftlimited.com). Free JSON API to calculate Nigerian PAYE, pension, NHF and take-home pay under the Nigeria Tax Act 2025, with band breakdown and old-law comparison. No API key. Plus an embeddable calculator.
Yes. The Nigeria PAYE API is listed in the Finance category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The Nigeria PAYE API requires no authentication, so you can start making requests without signing up.
Yes. The Nigeria PAYE API supports CORS, so front-end JavaScript can call it directly.
Yes. The Nigeria PAYE API is served over HTTPS, so it's safe to use in production.