A Smarter E-Commerce Experience with Price Negotiation and Stripe Payments
Bringing Shopping, Price Negotiation, and Payments Together
Truvixoo developed a custom e-commerce platform that makes online shopping more flexible. Customers can explore products, negotiate prices with sellers, and complete their purchases through Stripe-powered payments.
The platform brings product browsing, offer management, and checkout into one connected experience, making it easier for buyers and sellers to complete deals online.

Project Details & Performance
E-Commerce Platform
Digital Marketplace ArchitectureE-Commerce
Consumer Retail & TradingBuyer-Seller Price Negotiation
Real-Time Algorithmic CounteroffersStripe
Automated Escrow & 1-Click SettlementCustom Web Application
Responsive Next.js Frontend & APIs12 Weeks
End-to-End Production DeliveryMaking Online Shopping Easier for Buyers and Sellers
The client wanted to build an online shopping platform where customers could do more than just buy products at fixed prices. They wanted buyers and sellers to negotiate prices and complete purchases easily.
The main challenges were:
Fixed Product Prices
Customers needed a way to ask for a better price instead of only paying the listed price.
Difficult Price Negotiations
Buyers and sellers needed a simple way to make offers, respond, and agree on a final price.
Complicated Payments
After agreeing on a price, customers needed an easy way to pay online.
Separate Shopping Steps
Product browsing, price negotiation, and payments needed to work together in one platform.
A Better Way to Shop, Negotiate, and Pay Online
Truvixoo developed a custom e-commerce platform that brings shopping, price negotiation, and online payments together in one place. Customers can browse products, make offers to sellers, and pay securely through Stripe once a price is agreed upon.
Key solution features:
Easy Product Browsing
Customers can explore products, view details, and choose what they want to buy.
Simple Price Negotiation
Buyers can make offers, while sellers can accept, reject, or suggest a different price.
Smooth Online Payments
Once the price is agreed upon, customers can proceed to checkout and pay through Stripe.
One Connected Platform
Product browsing, negotiations, and payments work together to make the buying process easier for everyone.
From Idea to a Working E-Commerce Platform
From understanding business needs to building, testing, and launching the platform, Truvixoo managed the complete development journey.
Modern Technologies for a Seamless E-Commerce Experience
A scalable web application built to connect product browsing, price negotiation, and secure online payments. The platform combines a responsive shopping experience with reliable backend processing and efficient order management.
Customer Experience
Storefront & Shopping InterfaceCore Application
Negotiation & Business LogicPayments & Orders
Checkout & Transaction ProcessingCloud & Infrastructure
Hosting & Application DeliveryQuantitative Validation: 320 Participants
Cart Abandonment
Shoppers admitted leaving transactions due to marginal <10% price rigidities.
Willingness to Haggle
Users prefer direct structured offer inputs over waiting for sitewide seasonal promos.
Speed Expectations
Expect confirmation under 10 minutes or they bounce to alternate retailers.
Product Categories Most Demanded for Real-Time Negotiation
Planning Every Step Before Development
Before creating the final interface, Truvixoo mapped out the platform's main screens and user journeys through low-fidelity wireframes. This helped define how customers browse products, negotiate prices, complete payments, and manage orders before moving into detailed UI design.

What We Planned
Product Browsing
Organizing product listings, categories, filters, and product details.
Price Negotiation
Mapping how buyers submit offers and sellers accept, reject, or suggest another price.
Payment Flow
Connecting an accepted offer to order review and Stripe checkout.
Dashboard Structure
Planning separate workspaces for buyers, sellers, and administrators.
A clear screen structure and user flow to guide the next stages of design and development.
Design System & Component Kit
Color Tokens
Typography & UI Matrix
High-Fidelity Interaction Screens
Refined interface designs bringing together product browsing, live price negotiations, and Stripe payment flows into a modern, unified shopping experience.

Resolving Friction & Human Hesitation
Sellers Flooded by Unrealistic Bids
Merchants feared that opening up bargaining would lead to insults and time-consuming manual rejections from bot scrapers.
Engineered dynamic price floors. Shoppers cannot enter an offer below the seller's private threshold without instantaneous helpful feedback indicating the minimum reasonable band.
Agreeing on Price but Failing to Settle
Buyers would reach terms with a merchant, then leave their screen and forget to finalize card payment details.
Required a frictionless pre-authorization hold via Stripe Elements before the initial offer is dispatched. When terms match, payment executes without requiring a second manual checkout page.
Turning Accepted Offers into Easy Online Payments
After buyers and sellers agreed on a price, the platform needed a simple way to complete the purchase. The payment process had to use the agreed price and clearly connect payment status with the order.
Truvixoo integrated Stripe into the e-commerce checkout flow, connecting accepted offers with order summaries and online payments. This gave buyers a clear path from agreeing on a price to completing their purchase.
What We Delivered
Offer-to-Checkout Flow
Buyers can proceed to checkout after a price is agreed upon.
Clear Order Summary
Buyers can review the product price and applicable charges before paying.
Stripe Payment Integration
Payments are handled through the integrated Stripe checkout experience.
Payment Confirmation
The order can reflect the confirmed payment status, helping users understand what happens next.
Unified Desktop & Mobile Responsive Suite

Median WebSocket negotiation latency across 12,000 active test sessions.
Task success rate during live usability evaluations with zero onboarding prompts.
"PriceCraft completely revolutionized how our curated inventory liquidates. Instead of holding items for months waiting for arbitrary clearance sales, we close deals instantly at mutual consensus prices with guaranteed Stripe settlement."

Quantifiable Commercial Results
HealthTech Telehealth Patient Portal
Reimagining asynchronous clinical consultations and lab telemetry.
Fintech & Negotiation FAQs
Questions about the DealFlow Commerce Commerce Build
Everything you need to know about WebSocket state management, Stripe escrow holds, and fraud guardrails.
When the buyer submits an offer, Stripe pre-authorizes the card with a temporary hold. If the seller or automated engine accepts the offer, the funds are captured instantly. If the offer is rejected or expires, the hold is released immediately with zero charge.
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