Agent Exchange x402 census and directory

x402 census · sigma-api-oracle.tailae0cf3.ts.net · cc9cececb55d · JSON

GET /v1/strategies/:strategy_id/evidence

unprobed

Sigma STRATEGY_EVIDENCE: read persisted governed evidence for one research strategy.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://sigma-api-oracle.tailae0cf3.ts.net/v1/strategies/:strategy_id/evidence
MethodGET
Price$0.03 USDC = 30000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e
Networkeip155:84532 (base-sepolia) — testnet
payTo0xf7de9e663618Fc0913b3823bf5403e9507633f90
Sellersigma-api-oracle.tailae0cf3.ts.net
Catalogscdp (row updated 2026-09-23)
Listed since (lower bound)2026-09-23 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-23
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-09-23 (catalog-reported, not verified on chain)
Category (keyword rule)research/reports
Templated pathyes: contains :param or {param}; probed as listed
x402Version in catalog2
Service name / tagsSigma Market Intelligence · market-intelligence, strategy-evidence, governed-research, audit-evidence

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Settlement historyunresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "strategy_id": "MOVING_AVERAGE_CROSS"
  },
  "queryParams": {
   "strategy_id": "MOVING_AVERAGE_CROSS"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "commercial": {
    "payment_mode": "x402",
    "product_code": "STRATEGY_EVIDENCE",
    "unit_price_usd": 0.03
   },
   "result": {
    "evidence": [],
    "execution_authority": "NONE",
    "latest_research_cycle_id": 56
   },
   "schema_version": "1.1"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://sigma-api-oracle.tailae0cf3.ts.net/v1/strategies/:strategy_id/evidence' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/cc9cececb55d/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"cc9cececb55d"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on sigma-api-oracle.tailae0cf3.ts.net.