Onchain & crypto

Korean mobility and EV supply-chain intelligence, sold per query. Structured feed tracking Korea's automotive-electronics and robotics supply chain - batteries and battery materials, EV components, robot parts, actuators and reducers, semiconductors, and tier-1 suppliers to Hyundai/Kia - written from Korean primary reporting and DART filings English-language sources do not cover. Filter by date, category and keyword. Pay per query in USDC on Base or Polygon; empty results free.

FRED-hosted FHFA all-transactions house price index for the state of a US point: latest index, year-over-year percent change, and units, for agents, from FHFA via FRED. Returns the same records as locus_house_price_index. Use this when your client can only call paid x402 routes. Use locus_house_price_index instead when you can call Locus free tools (REST tools/call or MCP).

Generate CSPRNG bytes from the Web Crypto API, returned as hex, base64 or a UUID. Never Math.random.

x402-paid data for agents: tokenized stocks on Base, Solana token verdicts, AI-progress readings

Blockchain analytics API for AI agents. Smart Money signals, wallet profiling, token analytics.

XRP Hourly crypto price candles: Asset: XRP (XRP-USD). Return up to 24 recent hourly Coinbase Exchange candles. Focus: wallet operations. Uses live Coinbase Exchange or Base RPC data.

Aerodrome balance on Base: Token: Aerodrome. Read a wallet token balance on Base for a supplied ERC-20 contract. Focus: blockchain development. Uses live Coinbase Exchange or Base RPC data.

Base block gas usage: Return the latest Base block number and timestamp. Focus: wallet operations. Uses live Coinbase Exchange or Base RPC data.

Validate Ethereum ERC721: Validate a JSON document for Ethereum ERC721. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one JSON document validation.

Validate Ethereum ERC1155: Validate a JSON document for Ethereum ERC1155. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one JSON document validation.

Change audit: Ethereum ERC1155: Audit JSON changes and validate before/after for Ethereum ERC1155. Uses a pinned SchemaStore definition on this PC. Reports JSON pointers and rule violations, added/removed/changed paths and introduced/resolved errors. Up to 100 KB per document; no YAML/TOML parsing or deployment/security guarantee. 0.01 USDC includes one two-document change audit.

Diff two OpenAPI specs: breaking changes, added paths, and contract drift.

Aerodrome metadata on Base: Token: Aerodrome. Read ERC-20 symbol, decimals, and total supply on Base. Focus: blockchain development. Uses live Coinbase Exchange or Base RPC data.

Base block timestamp: Return the latest Base block number and timestamp. Focus: treasury. Uses live Coinbase Exchange or Base RPC data.

Base block fee rate: Return the latest Base block number and timestamp. Focus: trading research. Uses live Coinbase Exchange or Base RPC data.

Bitcoin Cash 24-hour statistics: Return the latest 24-hour open, high, low, and volume. Coinbase Exchange public USD market data; not investment advice.

Bitcoin Cash Top of order book: Return the best bid and ask levels from the public order book. Coinbase Exchange public USD market data; not investment advice.

Bitcoin Cash Hourly candles: Return recent hourly OHLCV candles. Coinbase Exchange public USD market data; not investment advice.

EVM Native Wallet Snapshot: Read ETH balance, confirmed transaction count and deployed-code presence at one block on Base, Arbitrum or Optimism. Returns exact integer amounts, block and source. No transaction execution or ERC-20 portfolio valuation. 0.01 USDC includes one bounded blockchain observation.

Use when an agent needs a quick ERC-20 contract check on Base before trading or accepting a token: name/symbol/decimals/total supply, owner and whether ownership is renounced, EIP-1967 / legacy proxy (upgradeable) detection, flags. $0.003 per call, USDC on Base (x402). Read-only; not security advice. Non-contract addresses and upstream errors are not charged.

The weekly agent-economy series behind Sato Hub's free current-week counts: one row per venue, chain, stage and week, measured from public chain reads. Rows are never summed across venues, chains or stages; null means unknown, never zero. The current week stays free at /api/export/adoption.json.

Honeypot check: can I sell this token? RugRadar honeypot detector for new tokens on Base, BNB (BSC), Ethereum, Arbitrum (simulated buy and sell via GoPlus: is_honeypot, can sell, buy/sell tax, owner can pause/blacklist/mint) and Solana (freeze authority = honeypot pattern). Returns 0-100 risk score with plain reasons. Check before an agent buys. Automated heuristic, may be wrong. Not financial advice. 0.002 USDC/call; failed calls are free.

Australian crypto exchange intelligence for AI agents, with x402 payments on XRPL and Base.

Crypto backtesting & Bitcoin cycle analytics. Point-in-time, DSR-corrected, look-ahead-aware.

Pre-trade oracle: real slippage, honeypot/sellability at size, exotic DEXs and new chains.

Verify crypto wallets and generate proof of funds letters for buying real estate with crypto.

XRP Coinbase market-pair lookup: Asset: XRP (XRP-USD). Find Coinbase Exchange USD and USDC market pairs matching a symbol. Focus: wallet operations. Uses live Coinbase Exchange or Base RPC data.

Base block height and hash: Return the latest Base block number and timestamp. Focus: market research. Uses live Coinbase Exchange or Base RPC data.

Base Token Pool Comparison: Compare reported liquidity, activity and prices across up to ten matching Base token pools. Includes selected-pool rankings, source links and retrieval time; no investment recommendation. 0.01 USDC includes one token with up to 10 pools.

XRP Crypto market statistics: Asset: XRP (XRP-USD). Return the latest Coinbase Exchange open, high, low, and rolling volume. Focus: wallet operations. Uses live Coinbase Exchange or Base RPC data.