Japan Evidence Feed API

active

Bilingual evidence feed for Japanese official sources (FSA, BOJ, METI). Discovery routes below are free. Paid routes are metered per call via x402 (USDC on Base).

DataBasex402 v2exactjapan-evidence-feed.jp-evidence.workers.dev ↗︎

Settled via Coinbase.

Not seen in any discovery source since 2026-09-09.

Transactions · 30d
24
Volume · 30d
$0.24
Unique buyers · 30d
1
Uptime · 30d
100.0%
Latency p50
638ms
Reported calls · 30d
3

Endpoints (4 live)

  • GET /api/v1/evidence/1 — Evidence Pack for one event: source-passage excerpts with locators, the retrieval timestamp, sha256 snapshot hash, and a freshness/provenance verification status. (0.05 USDC on Base)
  • POST /api/v1/deep-check — Multi-source claim check: a supported/contradicted/insufficient_evidence verdict backed by citations (source URL and excerpt) drawn only from provenance-tracked events with a current freshness status. (0.2 USDC on Base)
  • POST /api/v1/search — Structured search over evidence events with full provenance (source URL, sha256 snapshot hash, publish/detect timestamps) and a freshness status (current/stale) per event, across FSA, BOJ, and METI. (0.01 USDC on Base)
  • GET /api/v1/evidence/:eventId — Evidence Pack for one event: source-passage excerpts with locators, the retrieval timestamp, sha256 snapshot hash, and a freshness/provenance verification status. (0.05 USDC on Base)

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