Five minute open interest history for the major perpetuals in base units and USD, normalised across symbols and retained on our side, so one query replaces per-symbol pa…
Native-coin balance + ERC-20 token balances (raw + human) for any address on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base). On Base pass token symbol…
Use for anything needing an up-to-date Brazilian benchmark rate: pricing a loan, indexing a contract, converting USD/BRL. No body required. Returns Selic (Copom policy r…
A short, oblique fortune for the wallet that paid — drawn from the day's pool, stable for the whole UTC day, a different one tomorrow. You may send {"question": "…"} of…
Apple Maps local business search — find places by query and map centre (latitude,longitude), returning ratings, reviews, address, phone, website & Apple Maps place ids (…
Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent, Beacon) for any contract and return the current implementation address. Essential before trusting or call…
NFT metadata for ERC-721 and ERC-1155 tokens on Base, Polygon, Arbitrum, Optimism and Ethereum. Resolves tokenURI through IPFS, Arweave, data: URIs and public HTTPS, and…
Sanctions screen for an EVM wallet: one deterministic read of the public Chainalysis sanctions oracle contract. Call it mid-transaction before settling with an unknown c…
Resources for a specific origin/domain
Number of Transfers — The total number of transfers. Data by Glassnode.
Number of Addresses with Balance ≥ 100 — The number of unique addresses whose current native-asset balance is at least 100. Data by Glassnode.
US Spot ETF Flows — An estimate of the daily net fund flow of the leading U.S.-listed spot Crypto ETFs, reflecting day-to-day changes in each ETF's holdings. Covers majo…
Net Realized Profit/Loss — Net Realized Profit/Loss is the net profit or loss of all moved coins, defined as Realized Profit minus Realized Loss. Data by Glassnode.
Compare one x402 resource's Coinbase Bazaar discovery visibility with a caller-held baseline: merchant presence, discovery metadata, schema metadata, visible payment fie…
Produce a normalized pre-sign evidence packet for one unpaid x402 v2 exact Base USDC EIP-3009 requirement: request identity, selected requirement including asset transfe…
The US Monthly Treasury Statement: federal receipts, outlays and the deficit or surplus for the latest month and fiscal year to date, fused with interest expense. Comput…
Bitcoin block metadata by height or hash (or the chain tip when neither is given), fused with the current difficulty-adjustment context, a computed halving countdown and…
Recommended Bitcoin transaction fee-rates in sat per vByte across five confirmation horizons (fastest, half hour, hour, economy, minimum) plus a live mempool congestion…
Convert token units (wei/gwei/ether or arbitrary decimals), between hex and int, and compute/validate an EIP-55 checksummed address.
PDF text extraction — extract text from a public digital PDF into page-numbered JSON for RAG (no OCR). $0.01 USDC Base or Algorand. Caps 20 pages / 5 MiB / 100k chars; s…
Total value locked (USD) for a DeFi protocol (e.g. "aave") or a whole chain (e.g. "Ethereum"). Provide exactly one of `protocol` or `chain`.
DeFi protocol fees and revenue: total 24h and 7d fees (USD) paid by users across protocols, plus the top protocols by 24h fees with each one's 24h revenue where reported…
Deep version of the web page brief: crawls up to 3 same-domain pages, uses the larger model, and returns a more thorough evidence-backed report with more claims and key…
Only the federal contract awards changed since your cursor (delta of /v1/contrac — Keyset delta of /v1/contracts/awards: pass since=<next_cursor from your last call> and…
