Blockchain And Crypto x402 offerings

Live crypto spot prices (USD) for any CoinGecko id. $0.01 USDC per call on Base via x402.

Live crypto spot prices (USD) for any CoinGecko id. $0.01 USDC per call on Base via x402.

Live fiat FX spot rate + conversion for a currency pair. Price: $0.01 USDC on Base, Monad, Arbitrum, Optimism, Polygon, Avalanche or Solana.

Live crypto spot-price snapshot (USD) for requested CoinGecko ids. Price: $0.01 USDC on Base, Monad, Arbitrum, Optimism, Polygon, Avalanche or Solana.

Agent wallet check in one call: screens an EVM wallet against the OFAC SDN digital-currency address list, reads its Base USDC and ETH balance, looks up its ERC-8004 identity registration (and, given an agent id, that agent's owner and payment wallet) and lists open ERC-8004 feedback, which is not scored. Returns one verdict and each part's status; a part that could not be read says so.

ERC-8004 agent wallet balance check. Returns the on-chain USDC balance (Base mainnet) for a registered ERC-8004 agent wallet.

Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum)

Multi-chain keyless RPC + Ed25519-attested enrichment, one call

Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum)

LION Research Bundle — one-call enrichment + tx context

Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum)

Base tx receipt + decoded calldata (?tx=0x...)

Multi-source on-chain + market intelligence (dex, risk, yields, wallet, holders, rpc)

Latest COMPLETE US spot BTC ETF daily print (Farside). Per-call USDC.

Which side of the perp market is over-leveraged right now, and how exposed it is — not a raw feed. Composes Hyperliquid funding, premium and open interest with OKX open interest and the long/short account ratio into a named regime (LONG_SQUEEZE_RISK / SHORT_SQUEEZE_RISK / BALANCED), a 0-100 pressure score, and the evidence behind it. The pre-position read for a leveraged agent. Free public upstreams, no exchange key.

Paid Aave V3 liquidation-risk verdict for agents before they borrow, lever, liquidate, or allow autopay. Returns buyer_decision, evidence_summary, execution_policy, next_action, live health factor, and liquidation trigger distance. Buyer-intent match: Aave liquidation risk, health factor API. Price 0.03 USDC on Base via x402. Demo/preview: https://liquidation-risk-mcp.mtree.workers.dev/demo/aav...

Liquidation execution leaderboard. Top liquidators by tx count, profit, and protocols hit. Useful for MEV searcher competitive intel and bot benchmarking.

Real-time at-risk DeFi borrowers across Aave V3, Morpho, Comet, Euler V2, Fluid, Moonwell, Spark on 11 EVM chains. Returns health factor, collateral, debt, and protocol. Updated every 5 minutes from the liquita liquidation engine.

List your paid x402 API for agent discovery: a 0.50 USDC Bazaar Launch Passport with a live readiness scan, a five-query Coinbase Bazaar retrieval audit with a rank table, a public profile with a signed JSON twin, a badge, MCP/catalog copy, and 30 days of maintenance with day-7 and day-30 Bazaar re-checks for a Base USDC endpoint. Validation is free. The fee covers evidence processing and publication, not placement, ranking, buyers, or safety.

Why isn't my x402 listing getting discovered/sold? ?domain=you.com returns your Bazaar ranking inputs as cohort percentiles — last-30-day calls & unique payers, staleness, resource count, live health — so you can see where you sit vs the catalog. No args = cohort distribution + zero-call (invisible) listings. The visibility companion to listing-doctor. Descriptive percentiles, not a verdict.

AI SEO audit API / live brand AI-visibility audit: does ChatGPT, Perplexity, Gemini, Google AI Overviews or Claude recommend this brand when buyers ask for the best in its category, or name competitors instead? One call returns an SEO-style audit for AI search: score 0-100, mention rate, the competitors AI names instead, and per-question evidence. Use for GEO/AEO/LLM-SEO audits, AI search optimization checks, brand monitoring, and website AI-visibility reports. Params: brand + category (+ optio

Real-time USD price, market cap, and 24h volume for any cryptocurrency by id — the market-data read trading, portfolio, and research agents poll. CoinGecko/CoinMarketCap-style data at $0.09/call (vs CMC/CoinGecko $0.01 and Messari $0.25), no API key, USDC over x402.

Fetch current USD price, market capitalization, 24-hour trading volume, 24-hour percentage change, and source update time for up to 20 crypto assets in one call.

Bitcoin price in USD, live — real-time crypto prices for BTC, ETH, SOL, BNB, LTC and AMAN with 24h change and multi-source aggregation; spot price feed API for bitcoin and crypto markets, no API key. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-crypto-prices","request":"<input>"}.