Hayrullah Kar - DEV Community

Hacktoberfest Open-Source AI Challenge: Ghost in the Machine Submission 👻🌼

Hayrullah Kar

Oct 29

My Workspace Ghost Report Found 7 Accounts That Left the Building but Not the Bill

#devchallenge #hf26challenge #ai #googleworkspace

2

8 min read

Hayrullah Kar

Oct 28

Google Workspace Offboarding: A Dry Run That Survives a Failed Step

#magesheet #googleworkspace #appsscript #security

6

10 min read

Hayrullah Kar

Oct 26

WhatsApp Response Time in Google Sheets: The Webhook Can't Tell Your Bot From Your Agent

#magesheet #whatsapp #googlesheets #appsscript

2

11 min read

Hacktoberfest Open-Source AI Challenge Week 3: Slow and Steady Submission 🦥

Hayrullah Kar

Oct 24

My Inbox Sloth Has to Quote the Sales Pitch Before It Files It Away

#devchallenge #hf26challenge #ai #python

1

7 min read

Hayrullah Kar

Oct 22

Adobe Commerce to Looker Studio: SUM(grand_total) Is Not Revenue

#magesheet #googlesheets #appsscript #ecommerce

6

10 min read

Hayrullah Kar

Oct 21

One Text Amount in getValues() Breaks the Whole Commission Total

#magesheet #appsscript #googlesheets #javascript

1

4 min read

Hayrullah Kar

Oct 20

Apps Script Is Free. Your Triggers Share 90 Minutes a Day.

#magesheet #appsscript #googlesheets #automation

2

8 min read

Hayrullah Kar

Oct 19

MailApp's Daily Limit Counts Recipients: Routing Sheet Email Between MailApp and a Provider

#magesheet #googlesheets #appsscript #email

13

7 min read

Hayrullah Kar

Oct 18

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

#magesheet #googlesheets #appsscript #security

5

9 min read

Hayrullah Kar

Oct 16

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

#magesheet #googlesheets #appsscript #email

5

2

9 min read

Hayrullah Kar

Oct 15

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

#magesheet #googlesheets #appsscript #email

4

10 min read

Hayrullah Kar

Oct 6

The Sheet Outlives AppSheet. Check That Its References Do.

#magesheet #appsheet #googlesheets #appsscript

5

7 min read

Hayrullah Kar

Sep 27

An Empty Reminder Inbox Is Not an Empty Pipeline

#magesheet #googlesheets #appsscript #automation

2

6 min read

Hayrullah Kar

Sep 25

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

#magesheet #whatsapp #googlesheets #appsscript

5

5 min read

Hayrullah Kar

Sep 24

Two Kits, One Shared Part: The Stock Your Sheet Counts Twice

#magesheet #googlesheets #appsscript #ecommerce

5

6 min read

Hayrullah Kar

Sep 22

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

#magesheet #googlesheets #appsscript #automation

5

8 min read

Hayrullah Kar

Sep 7

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

#magesheet #appsscript #ai #googlesheets

1

6 min read

DEV Weekend Challenge: Generosity Edition Submission 💜

Hayrullah Kar

Sep 6

The ledger asks the model to show its work before it counts the money

#devchallenge #weekendchallenge #ai #googlecloud

3

6 min read

Hayrullah Kar

Sep 6

Ops Per Run, Not Message Volume, Decides Rent or Build

#magesheet #appsscript #automation #javascript

1

6 min read

Hayrullah Kar

Sep 1

One callModel() for Gemini, OpenAI and Claude in Apps Script

#magesheet #appsscript #ai #googlesheets

3

8 min read

Hayrullah Kar

Aug 31

AppSheet's 2,500-Row Ceiling: Audit Your Sheet Before You Pick a Plan

#magesheet #appsscript #googlesheets #nocode

3

6 min read

Hayrullah Kar

Aug 22

When a Commission Rate Changes, Last Quarter's Payouts Shouldn't

#magesheet #googlesheets #appsscript #javascript

5

9 min read

Hayrullah Kar

Aug 18

Apps Script Session Auth: Your Cache Expires Before Your Session Does

#magesheet #googleappsscript #javascript #security

6

11 min read

Hayrullah Kar

Aug 12

Audit an Apps Script Handover: 5 Checks That Prove You Own the Code

#magesheet #googleappsscript #googlesheets #javascript

1

10 min read

Hayrullah Kar

Aug 11

Magento Order Sync in Apps Script: Page-Based Pagination Drops Orders

#magesheet #magento #googlesheets #javascript

7 min read

Hayrullah Kar

Aug 5

Claude Prompt Caching in Apps Script: Why Your Cache Read Count Is Zero

#magesheet #appsscript #claude #ai

11

7 min read

Hayrullah Kar

Aug 2

Build a Calendly Alternative in Apps Script: Slot Math, Locking, and Abuse Guards

#magesheet #appsscript #googlesheets #javascript

2

9 min read

Hayrullah Kar

Aug 1

AppSheet vs Apps Script vs PowerApps (2026): When to Use Each

#magesheet #appsscript #nocode #googleworkspace

4 min read

Hayrullah Kar

Jul 31

UrlFetchApp Quotas & Retries in Apps Script: Backoff, Rate Limits & a Dead-Letter Queue

#magesheet #appsscript #api #javascript

4 min read

Hayrullah Kar

Jul 30

Use Google Sheets as a Translation Database for Your Web App (Apps Script + Next.js)

#magesheet #appsscript #i18n #javascript

1

5 min read

Hayrullah Kar

Jul 29

How to Actually Unit-Test Google Apps Script (Vitest, Mocks & Clasp CI)

#magesheet #appsscript #testing #javascript

1

5 min read

Hayrullah Kar

Jul 27

Apps Script 6-Minute Limit: Run Long Jobs Without Cloud Functions

#magesheet #appsscript #googlesheets #automation

5 min read

Hayrullah Kar

Jul 20

Build a WhatsApp Storefront in Google Sheets with OpenAI Function Calling (No Website)

#magesheet #whatsapp #openai #appsscript

1

5 min read

Hayrullah Kar

Jul 19

Build a Commission Attribution Engine in Google Sheets (Matching, Splits & Clawbacks)

#magesheet #googlesheets #appsscript #saas

1

4 min read

Hayrullah Kar

Jul 17

Build a Real-Time Inventory Dashboard in Google Sheets (Reorder Points + Low-Stock Alerts)

#magesheet #googlesheets #appsscript #ecommerce

1

4 min read

Hayrullah Kar

Jul 16

WhatsApp Automation for Small Businesses in 2026: AI Replies, Lead Capture & Tiered Commissions

#magesheet #whatsapp #appsscript #googlesheets

1

5 min read

Hayrullah Kar

Jul 15

Build a Gumroad Lead Machine in Google Sheets (Ping Webhook + License API + AI Upsell)

#magesheet #gumroad #appsscript #googlesheets

4 min read

Hayrullah Kar

Jul 14

Build a WhatsApp Sales Inbox in Google Sheets (Apps Script + GPT-4o-mini)

#magesheet #whatsapp #appsscript #googlesheets

5 min read

Hayrullah Kar

Jul 13

Replace Expensive SaaS With Google Workspace + Apps Script (CRM, Billing, Inventory)

#magesheet #googlesheets #appsscript #saas

2 min read

Hayrullah Kar

Jul 12

Extracting Invoices From WhatsApp Photos With AI Vision (Apps Script + Google Sheets)

#magesheet #whatsapp #ai #googlesheets

2 min read

Hayrullah Kar

Jul 12

Turning WhatsApp Into a Mobile ERP for Field Logistics (Apps Script + Google Sheets)

#magesheet #whatsapp #googlesheets #automation

2 min read

Hayrullah Kar

Jul 10

Building a WhatsApp AI CRM in Google Sheets with Apps Script, Twilio & GPT-4

#googlesheets #javascript #ai #magesheet

3 min read

Hayrullah Kar

Jul 9

AI-Powered B2B Lead Scoring on Autopilot via Google Sheets & Gemini

#javascript #webdev #automation #magesheet

2

3 min read

Hayrullah Kar

Jul 8

Building a Scalable Inventory Web App with Google Sheets & Apps Script

#javascript #webdev #magesheet #appsscript

1

3 min read

Hayrullah Kar

Jul 6

Beyond the Grid: Building Secure, Zero-Cost B2B Client Portals on Google Sheets

#appsscript #webdev #security #magesheet

1

3 min read

Hayrullah Kar

Jul 4

Securing the Amnesiac Cloud: Database-Free Token Auth in Apps Script Web Apps

#appsscript #webdev #security #magesheet

4 min read

Hayrullah Kar

Jul 1

Turn Google Sheets Into a Free Serverless Web App with Apps Script

#appsscript #googlesheets #webdev #magesheet

1

3 min read

Hayrullah Kar

Jun 30

Bypass Zapier: Build Production-Grade Webhooks in Google Apps Script

#appsscript #googlesheets #automation #magesheet

2

3 min read

Hayrullah Kar

Jun 29

Stop Forecasting Blindly: Build a Live API Demand Engine in Google Sheets

#appsscript #googlesheets #automation #magesheet

1

3 min read

Hayrullah Kar

Jun 27

Building a Production-Safe Commission Engine with Google Apps Script & Webhooks

#appsscript #javascript #automation #magesheet

3 min read

Hayrullah Kar

Jun 22

The $0 PIM: Automating Magento Catalog Enrichment With AI and Google Sheets

#magento #javascript #magesheet #webdev

1

4 min read

Hayrullah Kar

Jun 21

Beyond the Search Box: Architecting Real-Time Voice Commerce Pipelines for Magento 2

#magento #ecommerce #ai #magesheet

2

3 min read

Hayrullah Kar

Jun 20

Beyond the Binary: The Hybrid Architecture Blueprint for Scaling Magento 2 Support

#magento #ecommerce #ai #magesheet

3 min read

Hayrullah Kar

Jun 19

Beyond the Chatbot: The Architecture Blueprint for Grounding AI Chat in Magento 2

#magento #dataengineering #ai #magesheet

2 min read

Hayrullah Kar

Jun 18

Architectural Shifts in E-Commerce: Designing the Next-Generation Magento AI Data Layer

#magento #webdev #architecture #magesheet

1

3 min read

Hayrullah Kar

Jun 17

Beyond Keyword Matching: 5 AI Architectures for Scaling E-commerce Conversion Pipelines

#appsscript #webdev #javascript #magesheet

3 min read

Hayrullah Kar

Jun 15

Beyond Google Sheets: Architecting an Enterprise Looker Studio BI Pipeline for Magento 2

#magento #bigquery #appsscript #magesheet

1

3 min read

Hayrullah Kar

Jun 14

Stop Building Passive Dashboards: How to Connect Google Sheets to Gemini AI via Apps Script

#appsscript #googlesheets #automation #magesheet

1

3 min read

Hayrullah Kar

Jun 13

How to Build a Free Omnichannel PIM System with Google Workspace and Magento 2

#magento2 #appsscript #magesheet #automation

1

3 min read

Hayrullah Kar

Jun 12

How to Build a Serverless B2B CRM: Automating Magento 2 into Google Workspace

#magento2 #appsscript #magesheet #automation

4 min read

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