Delivered engagementAI & Agents · $15k – $25k
Nifty.ai

AI-Powered Reselling Infrastructure

Delivered engagement. Coralsoft designed and built this product end to end; figures below retain their evidence level.

WebNext.js (App Router)ReactTypeScript
nifty-ai.example / dashboard
Nifty.ai — product interface
The situation

What was in place before we started.

Nifty.ai is an all-in-one reselling platform used by thousands of online resellers to crosslist, automate, and analyze sales across major marketplaces.

Nifty.ai is an all-in-one reselling platform used by thousands of online resellers to crosslist, automate, and analyze sales across major marketplaces.

Engagement
3 months reconstructed
Team
5 people
Budget
$15k – $25k reconstructed
Marketplaces
eBay · Poshmark · Mercari · Etsy · Depop
Scale
Thousands of active resellers
Platform
Multi-platform inventory & automation
Capability
Real-time business analytics
Implementation architecturereconstructed
Next.js (App Router)ReactTypeScriptTailwind CSSTanStack QueryReact Hook Form + ZodVercel AI SDKNode.js + HonoDrizzle ORM + PostgreSQLRedisStripe Checkout + WebhooksVercel
Challenges

Each constraint, and what we did about it.

Constraint

Manual crosslisting across every marketplace

What we did

Unified inventory across every marketplace

Constraint

Inventory duplication & oversell risk

What we did

AI-assisted listing generation & prefill

Constraint

Time-consuming relisting and offer management

What we did

Always-on automation in the cloud

Constraint

Fragmented analytics and bookkeeping

What we did

Real-time analytics and profit tracking

Constraint

Repetitive seller workflows that don't scale

What we did

Operations scale without headcount

Constraint

Growth gated by manual labor or VAs

What we did

Performance-first reseller experience

Resellers needed infrastructure that automated operational complexity without sacrificing control or visibility.

Results

Outcome, with the source of every figure.

3-month engagement
+32%
Faster reseller listing velocity.
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
45%
Reduction in manual workflow time.
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
+22%
Average reseller revenue uplift.
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
2.1×
Operational efficiency improvement.
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
+43%
Frontend performance lift
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
−60%
Repetitive seller tasks
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
+24%
Analytics feature adoption
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.
+38%
Daily active sellers
unsourcedPresent in the deck config; no corroborating figure in the vertical research docs.

By consolidating listing, automation, and analytics into a single AI-powered platform, Nifty enabled resellers to scale operations without proportionally increasing manual effort.

Showcase

How the system fits together.

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nifty-ai.example
Nifty.ai — product interface
nifty-ai.example
Nifty.ai — product screenshot
nifty-ai.example
Nifty.ai — product screenshot
nifty-ai.example
Nifty.ai — product screenshot
Roadmap

How it was sequenced.

3 monthsreconstructed delivery
Weeks 1–3

Discovery & shaping

Discovery, workflow architecture, marketplace integrations, MVP infrastructure.

Weeks 4–10

Core build

AI listing systems, automation engine, analytics dashboards.

  • AI Crosslisting Engine
  • Cloud Automation Layer
  • Analytics & Profit
Weeks 11–13

Launch & iterate

Optimization, additional marketplaces, performance, automation expansion.

  • Frontend Modernization

More work like this.

Every case study is a Coralsoft delivery story, with the evidence behind each figure kept visible.