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Chainlink For Agents: execute a catalog workflow by workflow name.

Latest Ethereum block height - current chain tip via eth_blockNumber

Payment for Quicknode RPC access. Options: per-request ($0.001/request), nanopayment ($0.0001/request via Circle Gateway), or credit drawdown with SIWX authentication.

Agent guardrail decision engine. Call once before every agent action; returns a single decision — proceed, slow down (with a reason and wait time), or stop — based on cost budget, chain depth, step cap and retry budget, and request volume pressure. Policy thresholds are configured separately via /policy; this endpoint only reports the decision for a single action.

Real-time Kimchi Premium for a single token (Upbit vs Binance via FX rate)

Crypto Fear & Greed Index: alternative.me score (0-100) plus Kronos-owned context (BTC funding sentiment, OI 1h trend, 24h price momentum). Not a pure proxy — adds proprietary derivative signals. Pay-per-call via x402.

Current per-venue funding rates for a given symbol or all symbols

Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): current spot price, token symbol, decimals, and a confidence score, for up to 50 coins in one call. Pass ?at=<unix> for the historical price at a point in time. Sourced from DefiLlama across every major chain.

Latest financial news headlines for a US stock from the past 7 days — up to 10 articles with headline, summary, source, URL, and publish timestamp as JSON. Use for: stock news feed, market sentiment, news-driven trading, event monitoring, why is a stock moving today. $0.005 USDC per call.

Real-time Bitcoin price in USD, aggregated from 9 exchanges including Binance, Coinbase and Kraken — Ed25519 signed attestation

Analyst sentiment and short interest for a US stock in one call: recommendation trend, consensus price targets, recent upgrades/downgrades by firm, and short interest with month-over-month change -- rising short interest into price weakness is a classic bearish/squeeze-risk signal most analyst-ratings APIs don't include. From real Yahoo Finance data. $0.005/call.

1h/24h liquidation totals for the 5 majors (SOL/BTC/ETH/XRP/DOGE), long/short split, biggest print, per-exchange breakdown

Smart money analysis: YES/NO concentration, sharp holders (track record), unusual-wallet anomalies, net flow, and directional lean. Anomaly intensity is NOT a trade recommendation.

Compare 2 to 3 US-listed stocks side by side (peer or watchlist comparisons). Pass a comma-separated list via `?tickers=AAPL,MSFT,NVDA` (1 to 3 symbols). Returns price and day change, market cap, P/E, EPS, revenue, gross and net margins, and dividend yield per ticker. Built for multiple stocks — for a single stock, `/api/v1/quote/{ticker}` is cheaper. From x402stock

VAPE chain_overview — A chain's headline TVL and its rank among all tracked chains (default Base).

Live Base mainnet gas: EIP-1559 base fee, low/medium/high priority tiers in gwei, and a transaction cost estimate for any gas limit.

Live stock/index/FX/crypto quote: last price, day range, 52-week range, previous close, currency, exchange, and a relative change vs. previous close, as clean JSON. The single-symbol NOW read - for OHLC time series use stock-history, for pre/post-...

Live gas oracle with slow, standard and fast fee tiers computed from recent block fee history - current base fee plus recommended priority fees and the cost of a standard transfer, so agents can set the right gas price and decide when to submit transactions. gas oracle, gas price, recommended gas, gas fee tiers, optimal gas, priority fee, gas estimate, when to transact Accepts payment on Base or Solana — either network works.

LastLook Data — current price, 24h change, market cap, and volume for any supported cryptocurrency. Use ?coin=BTC|ETH|SOL|BNB|XRP|ADA|AVAX|DOGE|LINK|DOT|etc. Source: CoinGecko.

Access to api/v2/tokens/:address_hash/holders. List addresses holding a specific token sorted by balance

Convert any amount between 32 fiat currencies (live European Central Bank rates) and major cryptocurrencies (BTC, ETH, USDC, SOL, ICP, CELO and more, live Coinbase spot rates) — fiat↔fiat, crypto↔fiat, and crypto↔crypto all work. Returns converted amount, exchange rate, inverse rate, rate date, and rate source so agents can price and invoice across fiat and crypto without a paid forex API.

Tiered payment receipt (tier 3): pay once with x402 and get back a short-lived receipt token that /pay/verify checks for you. The tier is fixed by the path - you do not send it. Optional ?ref= carries your own opaque reference, such as a query hash, straight through to the receipt. This mints a receipt rather than returning data, so there is no lookup that can come back empty.

Look up a transaction and its receipt on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain: status (success/reverted/pending), from/to, value, block, nonce, gas used and price, log count, and any contract created. Public JSON-RPC, no API keys. POST a JSON body like: {"chain":"base","hash":"0xb498053e345acd227657ef2e3de7d9fd9b861d673368419c4b18cfaea20365c8"}

Check whether a domain's TLS/SSL certificate is valid, trusted, and not expiring before connecting to it. Performs a live handshake and returns a 0–100 score and tier (VALID/WEAK/EXPIRING/EXPIRED/UNTRUSTED/INVALID) with chain trust, days-to-expiry, signature algorithm, TLS version, and cipher quality. Use before submitting credentials, posting to a webhook, or following a payment link, to catch expired, self-signed, or MITM-risk certificates.

Every listed Morpho Blue market on Base: marketId, full MarketParams (loanToken, collateralToken, oracle, irm, lltv- the id is re-derived and asserted, wrong-market proof), live borrow APY, and LLTV. The input universe for /v1/tx/loan. GET /v1/loan/markets.

Trust boolean for any x402 payTo on Base: verdict (organic/concentrated/fragile/solo/opaque), settled revenue, buyer count, top-buyer dependency — from on-chain USDC settlement, facilitator-decoded. JSON ylk.vet.v1. Upgrade path → /v1/x402/brief.

Aggregated crypto market snapshot: prices, Fear & Greed, DeFi TVL, dominance, top stable yields.

Latest weekly price row for a Stock Trends symbol, including adjusted close, weekly high/low, volume (actual shares traded), trades, and price change.

Batch spot prices for up to 20 assets in one call — each with price, 24h change and volume, keyed by symbol. The cost-efficient way to price a basket or portfolio in a single request instead of N calls.

Market Value to Realized Value Ratio (MVRV) — Market Value to Realized Value (MVRV) is the ratio between market cap and realized cap. Data by Glassnode.

Payment security firewall scan for an INCOMING x402 payment request (402 offer): resource URL risk, credential-demand detection, price sanity, replay detection, canonical-USDC asset verification, merchant pinning, and counterparty reputation. Returns allow/flag/block with per-check reasons and an Ed25519-signed verdict. Advisory and non-custodial.

What token is this? Read a Base token's name, symbol, decimals and total supply in one cheap typed call, with block-level freshness and explicit limitations. Identity is shared across agents for 7 days while total supply is re-read on every call beyond the block window the answer was quoted for. Positive-sum by design: $0.003 cold, $0.002 when the token identity is already shared, $0.001 on a shared full answer — and the wallet that seeded it earns a share of every reuse.

Get aggregated portfolio totals (Tokens, Apps, NFTs) broken down by network for a single address, or a list of addresses.

API request: /api/v1/explorer/queries/run-async

Get a client token for direct upload to Vercel Blob

Current spot price for crypto trading pairs. Input: pair — a single pair (BTC-USD) or up to 10 comma-separated pairs (BTC-USD,ETH-USD,SOL-USD) returned in ONE call for the same price — poll a whole portfolio per tick. Returns amount and currency per pair. Real-time from Coinbase.

Latest US stock OHLCV quote from Stooq by ticker symbol.

Get the latest market quotes for one or more cryptocurrencies.

Gives you official United States inflation numbers from the government's BLS Consumer Price Index. Ask for the newest reading, a specific month in the past, or a whole range of months, and get back clear percentages for overall inflation and 'core' inflation (which ignores food and energy prices), plus a plain-English summary sentence.

US Stock realtime price for AAPL

Formatted settlement receipt for any Base transaction hash or Solana signature: timestamp, status, decoded token transfers, explorer link — records for x402 payments on either rail.

Buyer-side trust oracle for the x402 marketplace: 'I need X, budget $Y — which tool is real?' Sweeps the WHOLE catalog across many queries, collapses sybil/factory clusters (one wallet stamping many fake-distinct listings), ranks the genuinely-used survivors by unique-payer usage, and returns one vetted pick with a ready-to-pay challenge. The credit-bureau check an agent can't do in a single query.

Discover DeFi yield opportunities across 80+ networks — 3,300+ staking, lending, vault, and RWA yields from Lido, Aave, Morpho, and more. Filter by token, network, yield type, or provider and sort by APY or TVL. Returns yield IDs (needed by every other tool) with APY, TVL, lock-up/cooldown periods, and KYC gating. Start here.

Top stressed crypto issuers from the current DeltaSignal slice.

Crypto off-ramp quote: sell USDC (or another stablecoin) and cash out to a bank account. Given a target currency (ISO 4217) and a USD source amount, returns the FX rate, fees, and how much fiat the recipient receives. First step to convert crypto to fiat and pay out to a bank in 80+ currencies. Returns quote.targetAmount and a quoteId to lock the rate for a transfer. Pay 0.01 USDC.

Trust score (0-100, grade A-F) for any publicly listed x402 endpoint. Unlike uptime-only checkers, we return ECONOMIC PROOF: the REAL on-chain USDC settlement volume and distinct-payer count for the endpoint's payTo address — is anyone actually paying it, or is it just live? Computed deterministically from continuous monitoring: 30d probe uptime, 402-envelope spec compliance, latency, observed age, on-chain settlement activity, and advertised-price stability. Includes a full component breakdown, machine-readable flags, and an honest observedDays (we report only the history we actually have, wi

Create a price-locked USDC invoice for one or more gift cards, eSIMs, or mobile top-ups.

Get a Firebase ID token for authenticating with the callable APIs

Honeypot, rug & token-safety scanner for Robinhood Chain, Base & EVM tokens — instant pre-trade check: sell-simulation honeypot, buy/sell tax, mint, upgradeable proxy, pausable transfers, blacklist, owner privileges, LP lock/burn, holder concentration, fused with live liquidity & flow into one CLEAR / CAUTION / AVOID verdict. Robinhood Chain (launchpad tokens incl. Pons), Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. For trading agents.

Real-time SOL/USD price from Pyth Network oracle with confidence interval. Sub-second freshness.

Get Arkham token balances for an address. $0.20 per call.

Base network real-time gas price oracle. Returns block base fee, current gas price in GWEI, and network block details.

Current USD spot price and 24-hour percent change for any crypto asset by CoinGecko id. Cheap, high-volume price lookups for trading and analytics agents.

Latest live metrics including market cap and enterprise value.

Smart Money Bundle — SEC Form 4 insider trading + SEC 13F institutional holdings in one API call for any US stock. See what executives AND hedge funds are doing: insider buy/sell signals plus top fund positions. Real SEC EDGAR data, not mock.

Latest Henry Hub natural gas spot price (USD/MMBtu), sourced from the U.S. Energy Information Administration. Data lags several business days behind the market; not live trading data.

Entscheidungsfertiger Risiko-/Momentum-Report fuer einen nad.fun-Token auf Monad: 0-100 Score, riskLevel, action, Graduation, Momentum und erklaerende Faktoren. Free probe (no payment): GET /v1/lite?token=0x...

Create a pay-per-view (CPM) content campaign: earners post about your token and earn a set rate per 1,000 views (capped per post), paid in your SPL (Solana) or ERC-20 (Base) token. release_mode=auto reads X impressions (X only); release_mode=agent lets your agent report views for any platform. Prepay submission slots and fund the returned wallet with the payout token. Fee is per settle event (a view-check + payout).

Real-time crypto trading signals for BTC, ETH, SOL and 400+ coins — classified by type (whale flows, funding, liquidations, listings, news, on-chain), scored, with direction, confidence and conviction. Emitted signals' forward-return record is public at n0brains.com/proof. Not financial advice.

Returns a conformally-calibrated range_80 price interval (~80% empirical coverage) plus current_price and upside_probability for BTC/ETH/SOL/XRP/ADA — use the range for planning instead of a single point prediction.