Kenji Watanabe
Data Researcher
At EveryInfra Kenji owns the pricing model.
Education
- University of Tokyo, B.S. Mathematics (2006–2010)
- University of Tokyo, M.S. Financial Engineering (2010–2012)
Previous roles
- Nomura Securities (Tokyo) — Quantitative Analyst → VP (2012–2020)
- Mercari (Tokyo) — Data Scientist, marketplace pricing (2020–2024)
Articles by Kenji Watanabe
- TikTok API Pricing in 2026: Is the TikTok API Free to Use, and What Third-Party Data Costs per 1,000 Results
TikTok API pricing: official APIs cost $0 but need approval. Per 1,000 videos, Apify costs $1.70+, TikHub about $0.05, and EveryInfra $0.011 in our tests.
- Kimi K3.1 Pro Research: Check Weibo Sentiment Against Earnings
How to cross-check Weibo and Reddit posts against Tesla and BYD earnings filings with Kimi K3.1 Pro: comment timing, line checks, MCP setup and cost.
- TikHub Pricing Explained: All 1,470 Endpoint Prices, Decoded
TikHub pricing, decoded: 990 of 1,470 endpoints cost $0.001 and only 30.8% get the volume discount. See when it beats us, from 14 live calls.
- Apify Pricing Explained: Plans, CU, Events, Proxy
Apify bills in five layers: plan fee, events, compute units, proxy and storage. For 10,000 rows a month the cheapest plan costs $19 to $30. Our real calls scale to $0.028 to $0.28.
- Pump-and-Dump Signals on Social Media: What Data Shows
We tested public social data against cases that the SEC, India's ED and SEBI have acted on. Timing works as a triage signal. Copied text mostly flags news, not schemes.
- Building Enterprise Monitoring From SEC Filing Data: From EDGAR Updates to Verifiable Events
SEC EDGAR data is public, but building enterprise monitoring products requires more than email alerts. This article breaks down entity resolution, form events, XBRL and text evidence, amendments, fair access, and workflow delivery.