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Bulk historical window (up to 24h) of 1-minute DEX spread statistics for a given pair, in one call. Useful for slippage calibration and backtesting. Descriptive statistics only; not investment advice.

The complete daily observation history of third-party x402 endpoints since first observation, with the Merkle root of each day. Each root is chained to the previous day and timestamped into Bitcoin via OpenTimestamps, so the archive can be verified as having existed on the stated dates rather than assembled later. The most recent 7 days are free at /v1/datasets/day/{day}; the manifest and verification method are free at /v1/datasets/manifest.

Polymarket prediction-market listings. Query: ?limit=1-100. Source: Polymarket Gamma API (free).

Look up the domain's registration expiry via WHOIS and report the expiry date and days remaining. Use to catch domains about to lapse before they drop and take DNS/email/site down with them.

OFAC / FATF / JFSA sanctions screening for any blockchain address. Returns hit list with sanction list source, designation date, and program code.

Compare edges. Two named assets (?a=ETH&b=BTC): the relative-strength / pairs-trade read- when one leg sits near the top of its own recent range while the other sits near its bottom, the spread is stretched and mean-reversion favors LONG the laggard / SHORT the leader- plus each leg's own directional edge. One asset (?a=SPCX): its edge RANK across the whole cross-category field and the single strongest market edge right now (is X better than any market?). Full details: GET /v1.

Read the current on-chain JPYC balance of any EVM address on one or all supported chains (Polygon, Kaia, Avalanche, Ethereum), with the token contract and the block number observed at request time. Use before or after a payment, for treasury checks, wallet monitoring, and payment reconciliation. The result does not prove wallet ownership and is not a transaction-finality certificate.

Read the current contract-reported JPYC totalSupply on Polygon, Kaia, Avalanche or Ethereum, with the token contract address and the block number observed at request time. Use for periodic supply monitoring, cross-chain comparison, or verifying a current JPYC supply figure before citing it. Not for market price, reserve backing, circulating-supply analysis, or financial advice.

Resolve a US-listed company ticker through the SEC EDGAR company ticker dataset. Returns CIK, ticker, and registrant name.

Best DAI supply yield across all protocols and chains — Ed25519 signed attestation

ETH options Greeks — cross-exchange consensus from 1822+ options across 3 exchanges — Ed25519 signed attestation

Ethereum perpetual funding rate — cross-exchange aggregated funding for carry trades and sentiment — Ed25519 signed attestation

ETH funding rate history — per-exchange rates, 18 days. Optional exchange filter. — Ed25519 signed attestation

BTC options Greeks — cross-exchange consensus delta/gamma/theta/vega from 2130+ options across Deribit, OKX, Bybit — Ed25519 signed attestation

SOL options Greeks — Bybit native Greeks for 246+ options — Ed25519 signed attestation

Cheapest A100 SXM GPU rental — best hourly rate across major cloud providers for AI training — Ed25519 signed attestation

Solana perpetual funding rate — cross-exchange aggregated funding for carry trades and sentiment — Ed25519 signed attestation

Solana futures term structure — basis, annualized carry, contango/backwardation for calendar spread trading — Ed25519 signed attestation

MESI — Mycelia Equity Stress Index. VIX, VVIX, IV/RV ratio, credit stress, DXY momentum. 0-100 composite. 300s cache. — Ed25519 signed attestation

DeFi protocol metrics — TVL, avg supply APR, utilization for Aave, Compound, Morpho, Spark, Sky and more. DeFiLlama + on-chain. Ed25519 signed. — Ed25519 signed attestation

BTC funding rate history — per-exchange rates, 18 days. Optional exchange filter. Batch Ed25519 signed. — Ed25519 signed attestation

Cheapest RTX 4090 GPU rental — best hourly rate for cost-efficient AI inference and fine-tuning — Ed25519 signed attestation

ETH SVI surface — arbitrage-free fitted IV across all expiries — Ed25519 signed attestation

MSBI — Mycelia Signal Breadth Index. Sector participation (% above 20DMA), RSP/SPY breadth momentum, SPY price momentum. 0-100 composite. 300s cache. — Ed25519 signed attestation