Retail & Fashion — Reference architecture · designed by Techmode
M-Pesa E-Commerce Store for Fashion Retail
A mobile-first storefront with M-Pesa STK-push checkout, automatic WhatsApp order updates and one dashboard for stock, orders and repeat customers.
A reference architecture, not a client story. This describes a system we design and build — the problem it answers, how it is put together, and what it runs on. No client engagement stands behind this page, and we will not imply one.
It is a write-up, not something you can click. If you would rather use something than read about it, the m-pesa checkout flow demo runs the same pattern in your browser.
The problem
Where it goes wrong
Selling a clothing line through Instagram DMs works until it does not. Sizes get confused in the thread, payment is chased by hand, and an order can be agreed in one conversation and lost in the next — with no stock record behind it, and no way to tell a repeat customer from a first-time one.
The solution
What we build
A conversion-focused storefront with M-Pesa STK-push checkout through the Daraja API, order confirmations and delivery updates sent automatically on WhatsApp, and an admin dashboard where stock, orders, payments and repeat customers agree with each other.
The stack
What it runs on.
What changes
What the build delivers.
Checkout finished on the phone the customer already holds, without leaving the site
Receipts and delivery updates sent without anyone typing them
Stock, orders and payments held in one place instead of three chat threads
Design targets
What we build to.
Engineering targets for this build, not results measured for anyone. We have not shipped this for a client, so there is nothing to report.
Checkout completed in under a minute on a mid-range Android over mobile data
Stock counts that move on the payment callback, not on a manual edit
Keep exploring
More reference architectures.
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