Automatically track sales tax nexus across states from your e-commerce data
Small business owners can't manually track multi-state sales tax compliance due to constantly changing regulations and complex nexus rules.
NexusGuard integrates with Shopify, Stripe, and other platforms to monitor sales volume and automatically detect nexus thresholds. It calculates real-time tax obligations and generates compliance reports. Stay audit-proof without spreadsheets or manual tracking.
Small business owners selling products online or across multiple U.S. states
Seamless e-commerce integrations with AI-driven nexus prediction for economic thresholds
professional
Connect Shopify/Stripe to auto-import sales data
Monitors sales thresholds per state for nexus status
Real-time multi-state tax rates with updates
Visual overview of obligations and alerts
Exportable PDF reports for filings
Notifications for nexus triggers and deadlines
View past nexus and tax history
Team accounts for accountants
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| subscription_tier | text | No |
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| platform | text | No |
| access_token | text | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| state | text | No |
| has_nexus | bool | No |
| sales_volume | int | No |
| updated_at | timestamp | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| state | text | No |
| rate | int | No |
| updated_at | timestamp | No |
/api/integrationsConnect e-commerce account
/api/nexus/:stateFetch nexus status for state
/api/sales-dataImport sales data
/api/reportsGenerate compliance report
/api/tax-ratesGet latest tax rates
No reports or alerts
500 sales/month
Unlimited
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 200 | 2% | $140 | $1,680 |
| Month 6 | 1,200 | 5% | $2,100 | $25,200 |
Auto-track compliance across 50 states from your Shopify or Stripe data
Post in Shopify App Store forums and r/ecommerce on Reddit offering free beta access to first 10 signups. DM 20 small biz owners from Twitter searches for 'sales tax nexus headache'. Run $50 FB ad targeting 'Shopify owners + sales tax'.
Robust calculations
Complex setup for small biz
Simpler nexus auto-detection
Full suite
Overkill for SMBs
Affordable, focused on nexus
Data moat from aggregated anonymized sales/nexus patterns for better predictions
Post-Wayfair ruling, nexus complexity exploded; AI tools now viable for auto-updates
Tax law changes invalidate logic
Partner with tax API like TaxRatesAPI
Integration API limits
Cache data and use webhooks
Low awareness of nexus pain
Educate via content marketing
Success: 80% confirm manual tracking issues
Success: 20 beta users
Success: 5% conversion
Other validated startup ideas you might find interesting
Automate crypto tax tracking for Web3 freelancers across multiple wallets.
AI advisor for Web3 freelancers navigating crypto tax rules.
Invoice and track crypto payments with built-in tax ledger for Web3 gigs.
Real-time RFP alerts for govtech founders to kickstart sales cycles in days, not months.
AI generates compliant govtech proposals in minutes to accelerate your sales pipeline.
Connect with gov insiders for warm intros, slashing your 12-month sales wait.