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

Your Mailgun Webhook Checks the Signature. Does Your Inbound Route?

Syncing a Google Sheet to a Mailjet List Without Re-Subscribing Anyone

Email From a Google Sheet: Claim the Row Before You Send It

The Sheet Outlives AppSheet. Check That Its References Do.

An Empty Reminder Inbox Is Not an Empty Pipeline

Hayrullah Kar

About

Available for

Hayrullah Kar's blogs

Recently published

Your Mailgun Webhook Checks the Signature. Does Your Inbound Route?

Syncing a Google Sheet to a Mailjet List Without Re-Subscribing Anyone

Email From a Google Sheet: Claim the Row Before You Send It

The Sheet Outlives AppSheet. Check That Its References Do.

An Empty Reminder Inbox Is Not an Empty Pipeline

Hayrullah Kar

About

Available for

Hayrullah Kar's blogs

Recently published

Your Mailgun Webhook Checks the Signature. Does Your Inbound Route?

Syncing a Google Sheet to a Mailjet List Without Re-Subscribing Anyone

Email From a Google Sheet: Claim the Row Before You Send It

The Sheet Outlives AppSheet. Check That Its References Do.

An Empty Reminder Inbox Is Not an Empty Pipeline

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Hayrullah Kar

About

Available for

Hayrullah Kar's blogs

Recently published

Your Mailgun Webhook Checks the Signature. Does Your Inbound Route?

Syncing a Google Sheet to a Mailjet List Without Re-Subscribing Anyone

Email From a Google Sheet: Claim the Row Before You Send It

The Sheet Outlives AppSheet. Check That Its References Do.

An Empty Reminder Inbox Is Not an Empty Pipeline