1. Problem
SMBs want AI tools and subscription revenue but often ship prototypes that cannot bill safely, survive webhooks, or pass compliance review. BizPilotAI was built to prove BizDX AI can deliver a commercial platform — not a demo.
2. Before (typical client baseline)
| Area | Before |
|---|---|
| Billing | Manual or no subscription stack |
| AI | Ungoverned API usage |
| Deploy | Ad-hoc server · no STG |
| Ops | No rollback tag · no audit trail |
3. Why existing tools failed
- Generic website builders lack Stripe entitlements + webhook idempotency patterns.
- Pure AI wrappers skip legal consent and subscription lifecycle edge cases.
- Prototypes skip Docker isolation and environment-specific secrets.
4. Solution
BizPilotAI: multi-tool AI workspace + Stripe SaaS + bilingual product + documented ops runbooks.
5. Architecture
- Next.js app · API routes · Postgres
- Docker STG (
bizdxai-stg) / PROD separation pattern (same family as BizDX AI site) - Plan catalog · entitlements · feature gates
- See on-site Mermaid diagrams: system context, billing flow, AI workflow, deploy pipeline
6. AI usage
- AI Writer · Chat · Image tools with server-side execution
- BYO AI plan: customer API keys · model selection · usage logging
- Cost visibility without exposing prompts in analytics
7. Cost optimization
- Platform vs BYO billing split
- Rate limits and entitlements per plan
- STG analytics off / separate Clarity project (ops policy)
8. Security
- Checkout legal consent with logged acceptance
- Inquiry rate limits · honeypot · correlation IDs for support follow-up
- audit_logs for demo/API actions (PII-free metadata)
- Secrets in env only — never in Git
9. Stripe · bilingual · production-ready
| Capability | Implementation |
|---|---|
| Stripe | Checkout · subscriptions · tax-inclusive display |
| Bilingual | JA/EN routes · product copy · marketing alignment |
| Webhook replay safety | Idempotent handlers · no unsafe manual replay |
| Rollback-safe | Tagged releases · SHA evidence · runbook rollback |
| Observability | Structured logs · health endpoints · incident matrices |
10. Results (reference model)
| Result | Notes |
|---|---|
| Live commercial product | bizpilotai.jp |
| Three paid tiers | Free / Pro / BYO AI |
| Documented STG→PROD discipline | Same delivery model for clients |
| Architecture portfolio | Sales proof without NDA client names |
11. ROI (illustrative)
See on-site Expected ROI section — ranges for similar builds, not audited financials for BizPilotAI P&L.
12. Future roadmap
- Additional AI tools under same entitlement model
- Deeper admin analytics (internal)
- Expanded EN market content

