How to Build a Muslim Dua App Using a Free Islamic Content API (No API Key Required)

If you're building an Islamic app — a dua tracker, a daily adkar reminder, a prayer companion, or a new Muslim learning tool — you've probably run into the same problem: finding clean, structured Islamic content via API is surprisingly hard . Most options either require a paid plan, need you to email someone for an API key, or only cover one narrow topic like prayer times or raw hadith databases. I built and open-sourced a free Islamic content API called Naikiyah to solve exactly this. In this tutorial I'll walk you through what it offers and how to build a simple dua app with it in under 30 minutes. What is the Naikiyah Islamic Content API? The Naikiyah API is a free, open Islamic content API built as Sadaqah Jariyah — ongoing charity. No API key, no rate limits, no cost. Ever. Here's what it covers across 7 endpoints: Endpoint What it returns /api/dailyAdkar Morning & evening adhkar with Arabic, transliteration, and benefits /api/postSalaah Zikr and duas to recite after salah /api/us