- Monthly visits
- <5K
- Sep 2026
- Public revenue
- Undisclosed
- No public revenue evidence yet
- Entry price
- $5.36/mo
- Lower than 57% of peersNiche median $5.99/mo
- Launched
- 9mo ago
- 2026-02-20 · Est.
Traffic
Marketing moves
Launches, search & content, referrals, promotionsLaunched on Product HuntLaunch
AI agents hire humans to complete real-world tasks
Feb 24 · 9mo agoLaunch page
Launched on Show HN (2 pts · 2 comments)Launch
Sinkai – Let AI agents hire humans for real-world tasks — I built Sinkai to handle tasks that pure software agents cannot complete alone (for example, on-site checks, physical evidence collection,…
Feb 20 · 9mo agoLaunch page
Third-party reviews & case dossiers
Acquisition breakdowns, engineer reviews & open-source metrics- Post excerpt:
- I built Sinkai to handle tasks that pure software agents cannot complete alone (for example, on-site checks, physical evidence collection, and local human verification). What it does: - AI agent sends a tool call (`POST /api/call_human`) - Human accepts task and submits photo/video/text proof - Agent receives structured result for downstream workflow Current
Open Source & Self-Hosting
- GitHub Stars
- Public repo
- Forks
- —
- License
- See repository
- Primary language
- —
Store data
- Rating
- Rating not syncedRating count not synced
- New ratings last mo
- —
- Price & IAP
- FreeIAP data not synced
- Current version
- —Store metadata
Store assets, rating histograms, install tiers, and screenshots are synced from Apple App Store, Google Play, and Chrome Web Store.
Traffic sources
Traffic breakdown
Channels
- Organic Search39%
- Direct26%
- Referrals13%
- Display Ads7%
- Other14%
Countries
No data yet
Search
Domain authority —Domain registered 2026-02-12
| Keyword | Monthly volume |
|---|---|
| 血統シミュレート | 250 |
| 配合シミュレーション | 150 |
Traffic data: Vaneform
Pricing
Trial: None · Observed 2026-11-03 · Source page
Entry price $5.36/mo, Lower than 57% of peers; “Strategy & Simulation” median is $5.99/mo.View pricing benchmark
Pages & changes
Key pages
Weekly snapshots- Homesinkai.tokyo/
- Featuressinkai.tokyo/stallions/ Snapshot 2026-11-03
Changes
No pricing, plan, or positioning changes detected since tracking started.
Questions & evidence
- How much does Sinkai cost?
- BREED CLASSIC: ¥ 800 / ¥1,280. Observed 2026-11-03. Check the source for current billing terms, usage limits and taxes.Source
- How much website traffic does Sinkai get?
- Vaneform estimates <5K website visits in 2026-09. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
- What is Sinkai and what platforms does it support?
- Sinkai is catalogued under Strategy & Simulation: エクリプスから、 イクイノックスまで。. Supported platforms: Mobile App.
- Is Sinkai open source?
- Sinkai has a public repository (https://github.com/tetubrah-del/Tool_Call_For_LLM) with its source repository published.Source
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