Karan Goyal

Blog & Insights

Thoughts on Shopify development, AI tools, and building better web experiences. Tips and tutorials from real project experience.

How I Built an OpenAI-Approved ChatGPT App for Custom Gifts
Generative AI
-8 min read

How I Built an OpenAI-Approved ChatGPT App for Custom Gifts

I built Stars In Hands Gift Studio, an OpenAI-approved ChatGPT app for custom gifts. Here is what I learned building an AI app for eCommerce.

#OpenAI Apps#ChatGPT Apps#eCommerce AI
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Claude Opus 4.8 Developer Guide: Dynamic Workflows, Fast Mode, and Migration Notes
Generative AI
-9 min read

Claude Opus 4.8 Developer Guide: Dynamic Workflows, Fast Mode, and Migration Notes

Claude Opus 4.8 is live. This developer guide covers dynamic workflows in Claude Code, fast mode, effort control, 1M context, prompt caching, and API migration notes.

#Claude Opus 4.8#Claude Code#Anthropic
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Why I Moved From Claude Code to Codex for Daily Development
Generative AI
-10 min read

Why I Moved From Claude Code to Codex for Daily Development

A practical developer note on moving most daily coding work from Claude Code to Codex: speed, context, writing, images, ChatGPT Pro features, and where Claude still fits.

#Codex#Claude Code#ChatGPT
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Reprint Vault Shopify App: One-Click Order Reprints for Replacement Orders
Shopify Development
-8 min read

Reprint Vault Shopify App: One-Click Order Reprints for Replacement Orders

A practical look at Reprint Vault, my Shopify App Store app for creating $0 reprint and replacement orders while preserving line items, customer details, shipping addresses, and order history.

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ExemptSync Shopify App: Tax Exempt Certificate Manager for B2B Stores
Shopify Development
-8 min read

ExemptSync Shopify App: Tax Exempt Certificate Manager for B2B Stores

A practical look at ExemptSync, my Shopify App Store app for collecting tax exemption certificates, reviewing uploads, syncing customer tax-exempt status, and keeping B2B certificate records organized

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Starmap Shopify App: A Custom Star Map Product Customizer for Gift Stores
Shopify Development
-8 min read

Starmap Shopify App: A Custom Star Map Product Customizer for Gift Stores

A practical look at Starmap, my Shopify App Store app for selling custom star map posters with live preview, design controls, translations, and fulfillment-ready order data.

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Shopify Billing API Is Legacy: Use Shopify App Pricing for App Submission
Shopify Development
-7 min read

Shopify Billing API Is Legacy: Use Shopify App Pricing for App Submission

Shopify has marked the Billing API as legacy. Here is what app developers need to know about Shopify App Pricing, app submission, migrations, and billing checks.

#Shopify#Shopify App Store#Billing API
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How I Built Stars In Hands: A Custom Next.js Personalized Gift Store
E-commerce
-8 min read

How I Built Stars In Hands: A Custom Next.js Personalized Gift Store

A technical case study on building Stars In Hands with Next.js, CMS, localization, PayPal, Razorpay, custom product editors, and SEO-ready gift pages.

#Next.js#E-commerce#Localization
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The Shopify Freelance Market Isn't Dying — It's Splitting in Two
E-commerce
-9 min read

The Shopify Freelance Market Isn't Dying — It's Splitting in Two

Active Upwork clients dropped 7.8% since 2023 and software dev gigs fell 21% post-ChatGPT. But AI-related skills grew 109% YoY. The Shopify freelance market isn't shrinking — it's bifurcating.

#Upwork#Shopify#Freelancing
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