Blockchain And Crypto x402 offerings

Aave V3 protocol metrics — TVL, avg supply APR across all chains with full rate breakdown — Ed25519 signed attestation

Solana options instruments — full contract listing across strikes and expiries for options trading — Ed25519 signed attestation

Solana open interest across 5 exchanges — aggregated OI with deltas for positioning and sentiment — Ed25519 signed attestation

Detects perp regime transitions vs 2h ago for BTC, ETH, SOL. Returns transitions with from_regime, to_regime, bias_changed. Layer 3 Oracle Intelligence. — Ed25519 signed attestation

Real-time Solana price in USD, aggregated from multiple exchanges — Ed25519 signed attestation

MSXI Bitcoin market sentiment index — funding rate, 25-delta skew, put/call ratio, futures term structure and cross-exchange basis dispersion, each weighted and reported separately — Ed25519 signed attestation

Solana transaction fee — current lamports per signature for Solana network cost estimation — Ed25519 signed attestation

Real-time XRP price in USD, aggregated from multiple exchanges — Ed25519 signed attestation

USDT stablecoin peg monitor — real-time Tether deviation from $1.00 USD — Ed25519 signed attestation

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

Market state synopsis for BTC, ETH and SOL — stress and contagion indices, macro risk score, and per currency: funding with z-score, OI change, liquidation flow, basis carry, perp regime and the run it sits in, order book, futures curve, IV/RV. Every input's as-of is signed. 60s cache. Ed25519 signed. — Ed25519 signed attestation

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

Liquidity Regime — classifies BTC market liquidity from funding, OI, basis, liquidation flow, orderbook imbalance. DEEP/NORMAL/THIN/FRAGILE. Layer 2 Oracle Information. — Ed25519 signed attestation

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

Solana SVI volatility surface parameters — stochastic vol interpolation for options model calibration — Ed25519 signed attestation

Base L2 gas price — current transaction fee for Coinbase Base network in Gwei — Ed25519 signed attestation

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

Morpho protocol metrics — TVL, avg supply APR across all markets — Ed25519 signed attestation

ETH order book imbalance — depth and spread across 5 exchanges — Ed25519 signed attestation

BTC order book imbalance — depth, spread, sweep cost across 5 exchanges with collapse detection — Ed25519 signed attestation

ETH options instrument discovery across 3 exchanges — Ed25519 signed attestation

BTC multi-exchange IV surface — per-strike IV from 3 exchanges with cross-exchange divergence detection and mispricing alerts — Ed25519 signed attestation

ETH market state synopsis — market stress and contagion context, plus ETH funding with z-score, OI change, liquidation flow, basis carry, perp regime and the run it sits in, order book, futures curve, IV/RV. Every input's as-of is signed. No macro risk score. 60s cache. Ed25519 signed. — Ed25519 signed attestation

Cross-chain gas index — normalized transaction cost comparison across Ethereum, Base, Arbitrum, Polygon and Solana — Ed25519 signed attestation