Developer Tools
J-sey Data API
Last updated 2026-07-15 · benchmark measured 2026-07-15 — deterministic & reproducible
Pay-per-call data API for AI agents, billed in USDC on Base blockchain.
Overall production-readiness score — reserved
Legit.Show benchmarked J-sey Data API across all seven frames. The single overall score is shown to the verified maker; the frame-by-frame breakdown is public below.
Is J-sey Data API production-ready?
Legit.Show ran its deterministic 7-Frame production-readiness benchmark on J-sey Data API (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. The per-frame breakdown is public on the Legit.Show listing; the single overall production-readiness score is reserved for the verified maker.
The 7 Frames
- Performance — 78/100
- Accessibility — 90/100
- Security — 25/100
- Privacy — 0/100
- Reliability — 100/100
- Standards — 100/100
- Discoverability — 100/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 622 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who it's for
AI agents · Blockchain developers · Fintech teams · Researchers · Crypto traders
Pricing
$0.002+ per call (pay-as-you-go, no subscriptions)