Q1. Embedding into an AI agent or SaaS product?
Claude Desktop / Cursor / ChatGPT / your own product
→ API + MCP
- 89 MCP tools, stdio transport, no SDK required
- ¥3/req metered; 50 anonymous req/month for evaluation
- OpenAPI 3.1 REST is also available
Products — five interfaces, one backend
The same backend (14,472 programs + 2,286 adoption cases + 108 loans + 1,185 enforcement actions + 181 exclusion rules) is delivered through five interfaces. Pick the one that matches your stack.
Audiences: tax advisors (zeirishi) / administrative scriveners (gyoseishoshi) / SMB owners / VC & M&A advisors / AI agent developers. See audience playbooks →
Comparison
| Interface | Audience | Price (tax incl.) | Typical use case | Setup time | Details |
|---|---|---|---|---|---|
| API + MCP | AI developers / enterprise RAG | ¥3.30 / req 50 anonymous req/month |
Agent integration, SaaS embedding, in-house RAG | 5 minutes | Docs → |
| LINE bot | SMB owners / sole proprietors / advisors | ¥3.30 / question 10 inquiries/month free |
Discover applicable subsidies in natural language on a phone | 30 seconds (add as friend) | LINE → |
| Law-revision alerts | Tax advisors / accounting / compliance | ¥550 / month (real-time) Monthly digest free |
Catch invoice-system, e-bookkeeping, and labor-law revisions | 2 minutes (subscribe) | Alerts → |
| Embeddable widget | Advisor firms / chambers of commerce / professional sites | ¥11,000 / month 10,000 req included, ¥3.30/req overage |
Drop a one-line subsidy search into your firm site | 5 minutes (paste <script>) | Widget → |
| Advisor affiliate | Certified support orgs / tax / labor / SME consultants | Free to use Advisor pays ¥3,300 per closed intro |
Receive jpcite-sourced client introductions | 10 minutes (profile signup) | Advisors → |
Which one fits you?
A five-question decision tree. Pick the first match.
Q2. Need it on a phone for SMB owners?
SMB owners, sole proprietors, advisors mid-conversation
→ LINE bot
- Add as friend → usable in 30 seconds
- 10 inquiries/month free
- Complex matters route to the advisor affiliate
Q3. Worried about missing law revisions?
Invoice system, e-bookkeeping, labor law catch-up
→ Law-revision alerts
- Email notifications scoped to your topics
- Monthly digest is free
- Real-time delivery is ¥3/notification
Q4. Want to convert traffic from your firm site?
Tax-advisor firms / chambers of commerce / professional sites
→ Embeddable widget
- One
<script>tag installs it - 10,000 req/month included
- ¥3/search metered, no logo on request
Q5. Are you an advisor wanting case referrals?
Get client introductions from jpcite users
→ Advisor affiliate
- Free signup, no monthly fee
- ¥3,000 per closed intro
- Profile-based matching by specialty and region
Combine if you want
One account, multiple interfaces
Solo: MCP + LINE / Firm: API + Widget
- Solo / SMB: try MCP, then keep LINE for daily use
- Firms: API for in-house RAG, widget for site conversion
- Advisors: alerts + widget + affiliate registration
- One account switches between every interface
Shared across all five interfaces
100% primary-source
source_url + fetched_at on every row
Aggregators (noukaweb, hojyokin-portal, etc.) are banned. Sources are limited to METI, MAFF, SME Agency, Japan Finance Corporation, prefectures, and municipalities.
181 exclusion rules
Catch stacking failures up front
125 exclude + 17 prerequisite + 15 absolute + 24 other. The same ruleset evaluates API, LINE, and widget calls — no surface-specific drift.
Qualified-invoice ready
Stripe Tax handles JCT
Invoices are issued under (Bookyou Inc.) with line-item req × unit price. Cancel anytime, no minimums.