Blockchain And Crypto x402 offerings

Real-time stablecoin supply across Ethereum mainnet — $0.02 USDC/call on eip155:8453. Pay-per-call via x402 — no API key, no account. Free samples daily.

Simulate a swap on Base with a real KyberSwap aggregator quote: expected output, price impact, fees, gas. DO NOT execute the swap. Returns a go/no-go recommendation. — $0.03 USDC/call on eip155:8453.…

Decompile an EVM contract's bytecode to a readable opcode listing with an AI risk assessment. Returns opcodes + flagged patterns. DO NOT use as a substitute for a full audit. — $0.08 USDC/call on eip…

Aggregate liquidity depth for a token across Base DEXs (Aerodrome, Uniswap) in <1KB JSON. Returns top pools + TVL + price. Essential for liquidity analysis. — $0.015 USDC/call on eip155:8453. Pay-per…

Best Arbitrum USDC venue for a given amount/risk, with optional deposit calldata

Paid defi position health mcp route for autonomous agents. Returns JSON with provenance, route-specific evidence, and machine-readable fields. Buyer-intent match: defi protocol breakdown, wallet protocol exposure. Price 0.10 USDC on Base via x402. Demo/preview: https://defi-position-health-mcp.mtree.workers.dev/demo/defi_protocol_breakdown. Contact: https://defi-position-health-mcp.mtree.worker...

Cross-venue perpetual funding rates (OKX, Kraken Futures, dYdX) for any major token. Per-venue annualized rates plus the cross-venue spread in percentage points — a ready-to-use funding arbitrage signal. Clean JSON for trading and research agents.

One-call market snapshot: BTC/ETH/SOL spot prices with 24h change plus the Crypto Fear & Greed index. The cheapest way for an agent to establish market context.

Token prices with chain:address format — supports batch queries (e.g., ethereum:0x..., bsc:0x...). Returns price, symbol, decimals, and confidence score. Accepts USDC payments on Base and Solana

Real-time gas prices across multiple EVM chains in one batch request — standard, fast, and instant tiers. No per-chain API setup needed. Accepts USDC payments on Base and Solana

DeFi protocol data — TVL breakdown by chain, category (Lending, DEX, Liquid Staking, Yield), token info, audit status, historical TVL trends. Covers 5,000+ protocols. Accepts USDC payments on Base and Solana

DeFi protocol fee and revenue data — daily/weekly totals, revenue breakdowns, and protocol earnings. Essential for protocol valuation. Accepts USDC payments on Base and Solana

Current Total Value Locked (TVL) for any DeFi protocol — real-time aggregate across all deployed chains. Accepts USDC payments on Base and Solana

List all bridge protocols and DEX aggregators available — 30+ tools with supported chains and features. Accepts USDC payments on Base and Solana

Stablecoin market data — circulating supply by peg type, chain distribution, market cap rankings, and issuer info for 100+ stablecoins. Accepts USDC payments on Base and Solana

Non-custodial yield deposit/redeem calldata for Base: give protocol (aave-v3, compound-v3 or erc4626), asset or vault, raw amount, action and recipient; we read the protocol on-chain state and return ready-to-sign transaction calldata plus the ERC-20 approval (deposit only) and the expected shares or assets. You sign with your own wallet — we never hold or move funds.

Lightweight yield preview for Base without calldata: give protocol, asset or vault, raw amount and action and get the expected shares or assets and the safety flags (paused/frozen/cap, empty-vault inflation risk). A cheap check before you build the full transaction.

Returns a list of supported blockchain chains from DeFiLlama.

Returns DeFiLlama coin price data for supported assets.

DEX volumes by DefiLlama — all decentralized exchanges with trading-volume summaries and charts.

DEX summary by DefiLlama — trading volume and history for one decentralized exchange by protocol slug.

Batch historical token prices by DefiLlama — prices for many coins at many timestamps in one call (coins is a JSON map).

DEX volumes for one chain by DefiLlama — decentralized-exchange trading volume on a single chain.

DeFi protocol detail by DefiLlama — full historical TVL plus per-chain and per-token breakdowns for one protocol by slug.