Business Opportunity
Extension Developer
Create specialized UCP extensions for specific industries. Build once, license to many. Marketplace opportunity for domain experts.
Quick Stats
What It Is
If you develop a better way to handle complex things like calculating international taxes or managing returns, you can share that code or service as an "extension" for other businesses to use.
Popular Extension Ideas
International Tax Calculator
Automatically calculate taxes for cross-border sales. License to stores selling internationally.
Return Management System
Streamlined returns process. Handle RMA, shipping labels, refunds automatically.
Subscription Billing
Recurring payment extension. Perfect for SaaS, memberships, subscriptions.
Multi-Currency Converter
Real-time currency conversion with live rates. Essential for global stores.
Revenue Models
Monthly License
Per business/month
- Recurring revenue
- Scales with customers
- Support included
License Fee
One-time purchase
- Larger upfront payment
- No recurring
- Self-hosted option
Per-Use Fee
Per transaction
- Pay as you go
- Scales with usage
- Low barrier to entry
Example Revenue Calculation
Scenario: Tax Calculator Extension
- 50 businesses @ $2,000/month = $100,000/month
- Plus per-transaction fees: $0.50 × 100k transactions = $50,000/month
- Total: $150,000/month
- Annual: $1.8M/year
Who It's For
Required Skills
- Domain expertise (taxes, logistics, etc.)
- API development
- UCP extension framework
- Product thinking
- Marketing & sales
Best For
- SaaS builders
- Domain experts
- Technical founders
- Marketplace creators
- Long-term builders
Time Investment
- Research: 1-2 months
- Development: 3-6 months
- Testing: 1-2 months
- Marketing: Ongoing
- Total: 12+ months
How to Get Started
Identify Need
Find a pain point that many businesses share (taxes, returns, subscriptions, etc.).
Research UCP Extensions
Understand the extension framework. Study existing extensions. Plan your approach.
Build MVP
Develop a working extension. Test with 3-5 beta customers. Get feedback.
Launch to Market
List in extension marketplace. Market to target businesses. Get first 10 customers.
Scale
Add features based on feedback. Expand to related industries. Build marketplace presence.
Marketplace Opportunity
Build once, license to many. Extensions can become a significant recurring revenue stream.