Clothing & Fashion

Migrating a ₹40Cr apparel brand off Shopify onto a custom stack

Cut platform costs 70%, sped up checkout 3×, kept zero downtime through Diwali traffic.

5 monthsClient: D2C apparel brand · ₹40Cr scale

The transformation

Before vs After

BeforeWhere they started

—

★ —

Shopify platform fees ate margin.
Mobile checkout slow + janky.
Customer-data exports crippled marketing.
Customising the cart needed expensive Shopify apps.

AfterWhere Sphyx took them

Buy ₹999

★ 4.9

Free Ship

👕

−70%

Owned storefront on Next.js + headless backend.
Checkout 3× faster on mid-range Android.
Customer + order data live in their warehouse.
Zero downtime through Diwali peak.

The challenge

A ₹40Cr apparel brand had outgrown Shopify — platform fees ate margin, checkout was slow on mobile, and Shopify's data export was crippling for marketing.

Our approach

Next.js storefront + headless commerce backend.
Razorpay + Shopify-Pay parity to preserve customer trust.
Phased migration: catalogue → checkout → backoffice.
Diwali-window freeze with full rollback playbook.

Outcomes

Platform cost cut

−70%

Checkout speed

3× faster

Diwali downtime

0 min

Mobile conversion lift

+18%