Inspiration
Phong Vu's online shoppers drop off during product discovery because there's no timely, real-time assistance on the site — just static pages. Every basic question about specs, warranty, or stock ties up the human support team instead of getting answered instantly. We built this to close that gap directly, grounded in Phong Vu's own numbers: 15-20% conversion lift and 40% of basic inquiries offloaded from support within 6 months of deployment.
What it does
RoboYogi Sales Agent is a conversational sales agent embedded in the Phong Vu e-commerce site and app. It answers product questions, retrieves live stock, price, and promotion data, compares products side by side, and guides the shopper through to checkout, including triggering add-to-cart or direct checkout actions.
How we built it
The agent queries Phong Vu's e-commerce backend for live inventory, pricing, and promotional data rather than relying on static or cached product info, so answers stay accurate as stock and prices change. Conversational handling covers product comparison, spec lookups, and policy questions like warranty terms, with a defined handoff path to checkout actions once the shopper is ready to buy.
Challenges we ran into
Keeping answers grounded in live backend data instead of letting the model guess at stock, price, or promotions, since a wrong answer on price or availability is worse than no answer. We also had to scope checkout actions carefully so the agent assists the purchase decision without overstepping into actions the shopper hasn't confirmed.
Accomplishments that we're proud of
Building the agent against Phong Vu's actual success metrics from day one, rather than a generic chatbot demo, so the output maps directly to conversion rate, drop-off, and support offload targets Phong Vu already defined.
What we learned
A retail sales agent is only as good as its connection to live operational data. The conversational layer is the easy part; the real work is the integration that keeps price, stock, and promotions accurate in real time.
What's next for RoboYogi Sales Agent
Extending product comparison to cover more categories, and feeding conversation data back to Phong Vu's operations and sales teams to identify recurring product gaps.
What we learned
Built With
- node.js
- openai

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