AgentData API — x402 Crypto Market Data API for AI Agents | Base Mainnet
Provides 16 crypto market data endpoints on Base Mainnet—prices, yields, liquidation levels, sentiment—via micropayment requests.
Trust signal
2 of 4 pillars
coverage 50%
Pillars
Signals
Evidence tiers, not an endorsement · trust model v0.1.0 (provisional) · CDP-lane settlement only (D3) · Trust API coming soon
On-chain traction
No on-chain settlement recorded. Unverified = not settled or not yet indexed — never treated as zero.
ERC-8004 agent registry
Not found in the ERC-8004 agent registry. This is the default state — absence is not a negative signal.
Identity & classification
Settlement volume
USDC settled on-chain · monthly
as of Jul 9, 2026
Endpoints(16)
Perpetual funding rates with long/short signals
Current gas prices for Base, Ethereum, Solana with USD cost estimation
Real-time prices for BTC, ETH, SOL, BNB, XRP
Composite market sentiment: Fear & Greed Index + Funding-based sentiment + composite score
Stablecoin peg monitoring (USDC, DAI live depeg check) + top 10 stablecoins by market cap
24h volatility, range, annualized vol for BTC/ETH/SOL
Base Mainnet network activity: latest block, TPS, gas utilization, whale activity
Top DeFi yield opportunities across protocols (Aave, Compound, Morpho, Pendle, etc) from DefiLlama
Technical indicators (RSI, MACD, Bollinger Bands, ATR). Query params: symbol (default BTCUSDT), interval (default 1h)
Estimated liquidation zones by leverage (5x/10x/20x)
Full market overview with sentiment and arbitrage signals
Cross-exchange arbitrage opportunities between MEXC, Binance, Bybit, OKX (spread > 0.05%)
Support & Resistance levels via fractal analysis on 4h timeframe. Query param: symbol (default BTCUSDT)
Historical OHLCV candles. Query params: symbol (default BTCUSDT), interval (1m/5m/15m/1h/4h/1d), limit (max 500)