Setup

1. App

App ka naam Admin (aapka) WhatsApp number Isi number se yourdomain/admin_login.php par Admin panel khulega.

2. MySQL Database

cPanel > MySQL Databases mein naya database aur user banao, user ko "All Privileges" do. Naam aksar cpaneluser_dbname jaisa hota hai.

DB Host DB Name DB Username DB Password

3. Fast2SMS WhatsApp OTP

Fast2SMS panel > WhatsApp > approved OTP template ki API se yeh values milti hain (API sheet download karke).

API Key (Authorization) Message ID (template ka) Phone Number ID Template variables Template mein sirf OTP hai toh {otp}. Pehle naam phir OTP hai toh {name}|{otp}. Test mode (OTP screen par dikhega, WhatsApp nahi jaayega)

4. Auto WhatsApp reminder (optional, baad mein Admin > Settings se bhi)

Udhaar (payment) reminder ke liye Fast2SMS par alag UTILITY template approve karao (WHATSAPP-TEMPLATES.txt dekho). Khali chhodoge toh app mein manual WhatsApp button chalta rahega.

Payment reminder: Message ID Payment reminder: variables Available: {party} {amount} {business} {link} {upi} {owner} {owner_mobile}