Shopify Admin API & Webhooks for App Developers

Admin API manages products, orders, customers server-side. Webhooks notify your app of events (orders/create, products/update) via HTTPS POST with HMAC verification.

This guide targets search queries around admin api shopify, webhooks shopify, shopify app dev. ADSPOC publishes these articles so merchants, freelancers, and developers in India can find authoritative answers without wading through outdated forum threads.

Apps use OAuth for shop install. Session tokens authenticate embedded admin apps.

Shopify's ecosystem moves fast: Online Store 2.0, Checkout Extensibility, Markets, and B2B features change what "best practice" means each year. Treat this topic as part of your store's architecture—not a one-time checkbox.

Indian SaaS apps integrate GST invoicing and Shiprocket via Admin API + webhooks.

Indian shoppers expect mobile-first UX, UPI and COD options, WhatsApp support, and GST-compliant invoicing. Any Shopify implementation that ignores these signals loses conversions even if the underlying code is technically correct.

Not verifying webhook HMAC—security vulnerability.

Theme Check, PageSpeed Insights, and Shopify's admin analytics exist to catch these issues before they cost revenue. Schedule quarterly reviews—especially before Diwali, Republic Day sales, and Black Friday/Cyber Monday if you sell globally.

1. Register app in Partner Dashboard 2. Implement OAuth 3. Subscribe to webhooks 4. Verify HMAC signature 5. Queue webhook processing 6. Handle API rate limits

Document decisions in your theme README or Notion so future developers (or your future self) understand why settings were configured a certain way. ADSPOC delivers this documentation with every client handoff.