x402 census · sigma-api-oracle.tailae0cf3.ts.net · ff630f615b47 · JSON
GET /v1/market/:symbol/opportunity
unprobed
Sigma OPPORTUNITY: candidate-specific completed-candle market evidence.
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
| Field | Value |
|---|---|
| URL | https://sigma-api-oracle.tailae0cf3.ts.net/v1/market/:symbol/opportunity |
| Method | GET |
| Price | $0.02 USDC = 20000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e |
| Network | eip155:84532 (base-sepolia) — testnet |
| payTo | 0xf7de9e663618Fc0913b3823bf5403e9507633f90 |
| Seller | sigma-api-oracle.tailae0cf3.ts.net |
| Catalogs | cdp (row updated 2026-09-23) |
| Listed since (lower bound) | 2026-09-23 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-23 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-23 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | yes: contains :param or {param}; probed as listed |
| x402Version in catalog | 2 |
| Service name / tags | Sigma Market Intelligence · market-intelligence, candidate-inspection, decision-evidence |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not 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)
| Field | Value |
|---|---|
| Settlement history | unresolved: 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": {
"symbol": "BTC_USDT"
},
"queryParams": {
"symbol": "BTC_USDT",
"timeframe": "1H"
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"commercial": {
"payment_mode": "x402",
"product_code": "OPPORTUNITY",
"unit_price_usd": 0.02
},
"result": {
"market": "BTC_USDT"
},
"schema_version": "1.1"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://sigma-api-oracle.tailae0cf3.ts.net/v1/market/:symbol/opportunity' -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/ff630f615b47/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"ff630f615b47"} 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.