Hayrullah Kar (@magesheet)

@magesheetSakarya,TurkeyJoined May 2026

Founder & Automation Strategist @MageSheet. I specialize in building intelligent automation systems and custom CRMs using Google Apps Script and AI to eliminate manual workflows and drive business efficiency.

@magesheetSakarya,TurkeyJoined May 2026

Hayrullah Kar

About

Available for

Hayrullah Kar's blogs

Recently published

The Sheet Outlives AppSheet. Check That Its References Do.

An Empty Reminder Inbox Is Not an Empty Pipeline

The 24-Hour Window Decides Whether Your WhatsApp Reply Sends or Gets Rejected

Two Invoices, One Number: Allocate Invoice Numbers From the Log, Not a Cell

Your Chatbot Verified the Price, Then Pasted It Into a Sentence It Wrote

Hayrullah Kar

About

Available for

Hayrullah Kar's blogs

Recently published

The Sheet Outlives AppSheet. Check That Its References Do.

An Empty Reminder Inbox Is Not an Empty Pipeline

The 24-Hour Window Decides Whether Your WhatsApp Reply Sends or Gets Rejected

Two Invoices, One Number: Allocate Invoice Numbers From the Log, Not a Cell

Your Chatbot Verified the Price, Then Pasted It Into a Sentence It Wrote

Hayrullah Kar

About

Available for

Hayrullah Kar's blogs

Recently published

The Sheet Outlives AppSheet. Check That Its References Do.

An Empty Reminder Inbox Is Not an Empty Pipeline

The 24-Hour Window Decides Whether Your WhatsApp Reply Sends or Gets Rejected

Two Invoices, One Number: Allocate Invoice Numbers From the Log, Not a Cell

Your Chatbot Verified the Price, Then Pasted It Into a Sentence It Wrote

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Hayrullah Kar

About

Available for

Hayrullah Kar's blogs

Recently published

The Sheet Outlives AppSheet. Check That Its References Do.

An Empty Reminder Inbox Is Not an Empty Pipeline

The 24-Hour Window Decides Whether Your WhatsApp Reply Sends or Gets Rejected

Two Invoices, One Number: Allocate Invoice Numbers From the Log, Not a Cell

Your Chatbot Verified the Price, Then Pasted It Into a Sentence It Wrote