Sigma Market Intelligence
Sigma STRATEGY_EVIDENCE: read persisted governed evidence for one research strategy.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 727 ms
- Price
- $0.030 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Research, reports and analytics
- Address
- https://sigma-api-oracle.tailae0cf3.ts.net/v1/strategies/:strategy_id/evidence
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/cc9cececb55d.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).