data · Listed · Base · Found · 18 endpoints · Gateway-eligible
rezearcher
Grey Ridge Signals
Firmographic + tech-stack enrichment (crt.sh, RDAP, DoH, HTTP fingerprint).
Indexed from this operator's public /.well-known/x402.json. Found is not operator-owned and is not attested. Claim or opt out.
Agent Read · Cleared Index
ROUTE
Route when you need data at published x402 prices.
confidence
78%
source
signal
Index before you pay. Same payload for agents:
GET /api/cleared/agent-read?slug=cat-x402-data-api-sigrunner-workers-dev
When to call
- Need data via x402 and want Cleared-indexed payTo with a live scorecard.
- Budget between $0.001 and $0.1 per call on published endpoints.
- Firmographic + tech-stack enrichment (crt.sh, RDAP, DoH, HTTP fingerprint).
Risks
- Found — not operator-owned; claim status unknown.
- No Cleared settlement receipt on file yet.
- No Gateway traffic yet — market share unproven.
Price posture
Published 18 endpoints from $0.001 to $0.1.
Category · Gateway
data · no Gateway routes yet — early / unproven on Cleared market share.
Endpoint hints
GET /pm/marketsLive Polymarket prediction markets — question, outcomes, bestBid/bestAsk/spread, volume24hr/volume1wk, oneDayPriceChange, clobTokenIds, conditionId, category ta
GET /crypto/fundingCross-venue Hyperliquid+OKX+dYdX perp funding rates — top coins by 24h notional volume, per-venue funding + arb spread (bps) + cheapest-long/richest-short venue
GET /defi/yieldsTop DeFi lending/LP yields — project, chain, symbol, pool id, APY breakdown + 1d/7d/30d APY trend, IL risk (incl. il7d), exposure, reward/underlying tokens, out
GET /crypto/pricesSpot token prices from DefiLlama — pass comma-separated CoinGecko ids, get price/change_24h/symbol/confidence/timestamp.
GET /scan/mcpSecurity scan of a target MCP server: audits every advertised tool for prompt-injection / tool-poisoning / exfiltration / dangerous-capability / hidden-unicode
GET /enrich/tech-riskTech-stack fingerprint -> CVE (NVD) + EPSS + CISA-KEV attack-surface risk + verdict (clear/review/block) for a domain.
GET /enrich/domainFirmographic + tech-stack enrichment for a domain, incl. full subdomain enumeration via certificate-transparency logs (crt.sh, RDAP, DoH, HTTP fingerprint) + ve
GET /chain/block-numberCurrent Base mainnet block number.
Evidence (Cleared)
- → Intake verified · Gateway-eligible
- → Trust 70/100 · pass · tier listed
- → Protocol x402 · Base
- → Manifest reachable · schema valid
- → Found listing — indexed from public x402.json, not operator-attested.
Endpoints
endpoint-1
$0.005GET https://x402-data-api.sigrunner.workers.dev/pm/marketsLive Polymarket prediction markets — question, outcomes, bestBid/bestAsk/spread, volume24hr/volume1wk, oneDayPriceChange, clobTokenIds, conditionId, category tags, liquidity, end date. Ranked by volume24hr; filter by keyword.
endpoint-2
$0.004GET https://x402-data-api.sigrunner.workers.dev/crypto/fundingCross-venue Hyperliquid+OKX+dYdX perp funding rates — top coins by 24h notional volume, per-venue funding + arb spread (bps) + cheapest-long/richest-short venue, premium/basis, annualized_hl/annualized_okx, LONGS_PAY/SHORTS_PAY/NEUTRAL signal, next_funding_ts, mark/oracle prices, open interest.
endpoint-3
$0.001GET https://x402-data-api.sigrunner.workers.dev/defi/yieldsTop DeFi lending/LP yields — project, chain, symbol, pool id, APY breakdown + 1d/7d/30d APY trend, IL risk (incl. il7d), exposure, reward/underlying tokens, outlier flag, mu/sigma, DefiLlama stability forecast, TVL. Filter by project, chain, or stablecoin-only; sort by TVL or risk-adjusted APY.
endpoint-4
$0.004GET https://x402-data-api.sigrunner.workers.dev/crypto/pricesSpot token prices from DefiLlama — pass comma-separated CoinGecko ids, get price/change_24h/symbol/confidence/timestamp.
endpoint-5
$0.1GET https://x402-data-api.sigrunner.workers.dev/scan/mcpSecurity scan of a target MCP server: audits every advertised tool for prompt-injection / tool-poisoning / exfiltration / dangerous-capability / hidden-unicode (OWASP LLM01/LLM08). Returns findings + risk score + verdict (clear/review/block).
endpoint-6
$0.05GET https://x402-data-api.sigrunner.workers.dev/enrich/tech-riskTech-stack fingerprint -> CVE (NVD) + EPSS + CISA-KEV attack-surface risk + verdict (clear/review/block) for a domain.
endpoint-7
$0.01GET https://x402-data-api.sigrunner.workers.dev/enrich/domainFirmographic + tech-stack enrichment for a domain, incl. full subdomain enumeration via certificate-transparency logs (crt.sh, RDAP, DoH, HTTP fingerprint) + verdict (clear/review/block, based on domain age).
endpoint-8
$0.001GET https://x402-data-api.sigrunner.workers.dev/chain/block-numberCurrent Base mainnet block number.
endpoint-9
$0.001GET https://x402-data-api.sigrunner.workers.dev/chain/gas-priceCurrent Base mainnet gas price (wei/gwei), EIP-1559 base_fee_gwei/priority_fee_gwei, and gas_price_usd — no price oracle on ETH-only competitors.
endpoint-10
$0.001GET https://x402-data-api.sigrunner.workers.dev/chain/balanceETH balance of a Base mainnet address, incl. balance_usd (internal ETH price cross-call).
endpoint-11
$0.001GET https://x402-data-api.sigrunner.workers.dev/chain/token-balanceERC-20 token balance of a Base mainnet address, incl. symbol, decimals, balance_formatted.
endpoint-12
$0.001GET https://x402-data-api.sigrunner.workers.dev/chain/txTransaction details by hash on Base mainnet.
endpoint-13
$0.001GET https://x402-data-api.sigrunner.workers.dev/chain/receiptTransaction receipt by hash on Base mainnet — status, gas used, full logs, and the L1 fee breakdown (l1_fee_wei, l1_gas_price_wei, l1_gas_used, effective_gas_price_wei) + l1_fee_usd/total_fee_usd an ETH-only competitor can't offer.
endpoint-14
$0.001GET https://x402-data-api.sigrunner.workers.dev/chain/codeContract-code check for a Base mainnet address (is_contract + code size + EIP-7702 delegated-EOA detection).
endpoint-15
$0.003GET https://x402-data-api.sigrunner.workers.dev/chain/walletWallet bundle: ETH balance + balance_usd (internal ETH price cross-call) + tx count + contract-code check (EIP-7702 delegated-EOA aware) for a Base mainnet address, in one call.
endpoint-16
$0.02GET https://x402-data-api.sigrunner.workers.dev/chain/token-securityToken security / honeypot detector for a Base mainnet ERC-20: EIP-1967/1822 proxy + upgradeability detection, bytecode dispatcher scan for mint/pause/blacklist/fee-setter/ownership selectors, owner() renouncement check, and a live eth_call state-override simulation testing whether a synthetic wallet can actually transfer() the token. Real compute, not a thin data wrapper. Returns risk_score (0-100) + verdict (clear/review/block) + human-readable flags.
endpoint-17
$0.01GET https://x402-data-api.sigrunner.workers.dev/dns/%7Bdomain%7DResolve DNS records (A/AAAA/MX/NS/TXT) for a domain via Cloudflare DoH.
endpoint-18
$0.02GET https://x402-data-api.sigrunner.workers.dev/whois/%7Bdomain%7DWHOIS / RDAP lookup: registrar, created, expiry, registrant for a domain.
Checks
reachable
valid
2026-10-09T10:00:45.078Z
No settlement evidence found in chain signals.
Gateway routing
Score ≥70/100 — Cleared attestation pass. Route via Gateway before pay.
Claim this listing to upgrade to Cleared attestation.
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