Every agent-payable API.

Describe a task (or name a slug) and the Smart Order Router resolves the best-matching tool and RUNS it in the same call - flat $0.05 covering any tool listed at $0.04 or less, from THIS host's catalog or any external x402 seller in the open index...

OpenAI-compatible text-to-speech over x402 — point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a five-model failover chain (x...

Bundled execution of the Number crunch workflow - Statistical analysis suite: descriptive statistics, correlation analysis, and outlier detection on a single dataset. One x402 payment runs 3 underlying tools (stats-summary, correlation, outliers);...

Fetch contract event logs (eth_getLogs) on Ethereum, Base, Polygon, Arbitrum, or Optimism - bounded so it always answers: block range capped at 2000 blocks (default: the last 100, auto-narrowed for busy contracts), at most 200 logs returned (trunc...

Momentum radar for the x402 seller ecosystem - which sellers are heating up, graded for wash-trade resistance. Reads the hourly on-chain leaderboard (real Base USDC settlements) and adds per-seller signals the raw board doesn't have: organicScore ...

x402 services ranked by 30-day on-chain settlement volume, optionally by category.

AgentCheck: independently measured quality report for an x402 seller, built from real paid test purchases (price accuracy vs multi-exchange consensus, provenance consistency, latency, receipt behavior). Query: ?domain=<seller-domain>. GET /sellers (free) lists covered domains.

Agent-payments market snapshot, measured by us: x402 Bazaar listings, sellers, 30-day paid calls, concentration, how many sellers have real buyers, registry dead rates, wallet shelf sizes. Dated JSON.

Every seller in the x402 Bazaar as one CSV (2,046 rows), ranked by paid calls in the last 30 days: listings, calls, unique payers, last call, price range, networks, sample description.

AgentCore-compatible Oblique seller router: paid ranked top-three shortlist with live health, prices, x402 and MPP rails, MCP schemas, qualified session handoff and receipt binding

Find the SaaS tools and APIs an AI agent can use on its own for a task, such as "send an invoice". Each result gives the tool's agent level (0 to 5), whether an agent gets in without a person, what our agent got done in it and where it stopped, from a real drive of the product. $0.01 a search.

Top holders of any SPL token: per-account share with top-1, top-5 and top-10 concentration for a Solana mint. A deeper cut than the summary in /api/token-risk.

EXIT LIQUIDITY on seized collateral: what a liquidator ACTUALLY realises selling a Kamino reserve into live routing, versus the oracle price the protocol marks it at. Returns max_exitable_usd (largest clip whose liquidator margin is still positive, found…

Open interest spikes across every Bybit USDT perp: abnormal OI jumps against an earlier snapshot of the same universe, at least 30 minutes old and with its exact age returned as baseline_min_ago, plus funding and 24h price context.

Market state for BTC, ETH, SOL or HYPE in one call: spot and perp basis, realized vol 7d and 30d, implied vol (DVOL or 30-day ATM) and the IV minus RV spread, funding per venue with 30-day z-scores, open interest and its 24h change, long/short, liquidations 1h and 24h by side, Fear and Greed, the next FOMC or CPI release, and flags with stated thresholds. Use when you need to answer: What is the…

Base launches: pools created on Base in the last 24 hours on Uniswap V4, V3, V2 and Aerodrome, newest first, with launchpad, liquidity and volume. Use when you need to answer: Which tokens just launched on Base, with liquidity and honeypot flags? Each carries its pair, creation time, launchpad named from the V4 hook (Zora, Clanker, Doppler, Flaunch), quote-side liquidity, 24h volume and swaps,…

Solana token trade flow: the unique traders over its latest swaps, top-5 share of volume, round-trip wallets, share of brand-new buyer wallets and launch-slot bundle size for mints under 7 days. Use when you need to answer: Who is actually trading this Solana token: many wallets or a few?

Liquidations by exchange: per-venue liquidation share across Bybit, OKX and Binance with long/short split and biggest print, for any symbol or the whole recorded universe. Which venue is flushing whom.

Speech to text: the text, timed segments and the spoken language for mp3, wav, m4a, ogg or webm audio (10 MB, 5 minutes, checked from the file). Use when you need to answer: What is said in this audio file? Cached 24 hours by the audio itself.

Paper search: OpenAlex works (CC0 data) for a search: title, year, DOI, authors, venue, citation count and open-access link, up to 25, optionally from a given year. Use when you need to answer: Which scholarly papers cover this topic? Cached 24 hours.

Base gas price (chain 8453) in BOTH gwei and wei, with base fee, priority fee and block number when the node supplies them. Both units are returned because a caller asking in wei and a caller asking in gwei are asking the same question. Served from…

Solana holder clusters: the account that first funded each of the top 20 wallets, the clusters sharing a funder and their supply share. Use when you need to answer: Do the top holders of this Solana token share a funder? A shared funder can be an exchange.

Full market state in one call: prices, funding, fear/greed, positioning, liquidations

Open interest for ANY USDT perp: Bybit OI in base units and in USD with 1h and 24h change, plus OKX open interest and the mark price. /api/positioning covers SOL and BTC only.

SPL token metadata via Helius DAS

Signal for one Hyperliquid perp, for trading bots. Use when you need to answer: What is the positioning, liquidation and cascade picture for one coin right now? Everything on the signal board for the coin (price changes, funding, open interest, liquidations with their z-score, whale net position and tilt, flags) plus the 15-minute liquidation cascade probability from our forecast model, the…

Solana wallet activity: recent transactions for any address, parsed human-readable — type, protocol, description, fee and failures. Helius enhanced transactions.

ERC20 and native ETH wallet balance on Base or Ethereum mainnet, for a 0x address or an ENS name. decimals() and symbol() are read from the contract at request time rather than assumed, because assuming 18 reports a USDC balance a trillion times too…

Use when an agent needs a spot price without choosing a venue. Returns the price, the venue that actually served it, and a Pyth confidence when Pyth served. Coinbase, then Kraken, then Pyth Hermes. Serves SOL, BTC and ETH; anything else is declined.

Hash: SHA-256, Keccak-256 (the Ethereum hash) or BLAKE2b-512 of UTF-8 text or hex bytes, as hex and 0x-hex. Use when you need to answer: What is the SHA-256, Keccak-256 or BLAKE2b hash of this input? Input up to 2 KB; over that is a 400, never billed.

Web page to markdown: the main content of the one URL you pass as clean markdown (Mozilla Readability, then turndown), with title, final URL, fetch time and word count. http or https on ports 80 and 443, 5 MB, 10 s; robots.txt honoured and private addresses refused. Use when you need to answer: What does this web page say, as clean markdown? A blocked or unreachable URL is never charged.

Use when an agent needs to know what is being liquidated right now. Returns the last 60 minutes across every USDT perp we record: total USD, long/short split, prints and the top 5 symbols. Declines with the tape age if our recording is stale.

QR code: an SVG or PNG (base64 and data URI) at error-correction level M, scaled for scanning. Use when you need to answer: How do I turn this text into a QR code? Input up to 2 KB; over that is a 400, never billed.

Liquidation forecast, FORWARD-LOOKING and not a description of what already happened. Returns the probability that a symbol will liquidate more in the NEXT 15 minutes than its own 90th-percentile 15-minute window. Calibrated on a 28-day tape of 1.4M…

Funding rate for SOL and BTC perps, from Hyperliquid: the hourly rate, its 8h equivalent, mark price and open interest for each. For the funding rate on ANY USDT perp across Bybit, OKX and Hyperliquid in one call, use /api/funding-cross.

Solana priority fees right now: the fee estimate at every level from min to unsafeMax in micro-lamports per compute unit, with a recommended tip. For bots that need their transactions to land.

SOL spot price via Pyth

Time zone conversion: an ISO time or epoch in any IANA time zone: local time with offset, weekday, abbreviation, DST flag and epoch. Use when you need to answer: What time is it, or was it, in this time zone? Defaults to now in UTC.

ETH spot price in USD, aggregated across seven independent venues (CoinGecko, Coinbase, Kraken, Binance, OKX, Gemini, DefiLlama). Returns the lead figure plus every venue quote that answered, so a caller can see the spread rather than trust one exchange.…

Top gainers and losers over 24h across every Bybit USDT perp above a liquidity floor, each with its funding rate attached. The "what moved" screener.

OFAC wallet screen: an exact match of a Bitcoin, Ethereum, Tron, Solana or other address against the OFAC SDN list, with entry, program and list date. Use when you need to answer: Is this crypto address on the OFAC sanctions list? No match is not a clearance.

BTC spot price via Pyth

Wikipedia summary: the Wikipedia summary and lead section for a page title in any language, with the CC BY-SA 4.0 licence, the article URL and the authors link. Use when you need to answer: What does Wikipedia say about this topic? Cached 24 hours.

Solana token rug check / risk signals for any SPL mint: mint and freeze authority status (revoked is safer), top-1 and top-10 holder concentration, supply, price, and a list of risk flags. Not a honeypot or LP-lock checker.

Domain DNS and TLS: its DNS A, AAAA, MX, NS and TXT records and the live TLS certificate: issuer, alternative names, validity dates and days to expiry. Use when you need to answer: What DNS records and TLS certificate does this domain have? Public hosts only; no registrar data.

Liquidation cascade detector, live: clustered same-side liquidations happening NOW on SOL, BTC, ETH, XRP and DOGE across Bybit, OKX and Binance, with side, USD total, prints, duration and severity. For every perp we record use /api/cascade-scan.

FOMC, CPI, NFP and PCE calendar for traders: the next Fed rate decisions and the CPI, nonfarm payrolls and PCE release dates with UTC times converted from New York time (DST-aware), each with its official Fed, BLS or BEA source URL and the time we verified it. Use when you need to answer: When are the next FOMC decision and CPI, NFP and PCE releases? Read daily from the agencies' own pages and…

Use when an agent needs the most extreme funding rates right now. Returns the 5 largest absolute annualised rates across the whole Bybit USDT perp universe, each with venue, 8h rate, open interest and 24h price move. One call, not a full screen.

FX reference rates: the ECB euro foreign exchange reference rates for about 30 currencies, as published or as crosses for another base, plus Hyperliquid HIP-3 FX and commodity marks. Use when you need to answer: What are today's official euro exchange rates? The ECB rates are available free of charge on the ECB's website; they are for information only, not for transactions.

PDF to markdown: the text of the one PDF URL you pass, page by page as markdown, with title, page count and word count. http or https, 10 MB, 10 s; robots.txt honoured and private addresses refused. Use when you need to answer: What does this PDF say, as markdown? A file that is not a PDF, or an unreachable URL, is never charged.