x402 Directory

Market data & DeFi

Paid market data & defi APIs an AI agent can call with x402.

657 endpoints

x402 Market Feed · Token Signal X402 X402 Market Feed

x402 Market Feed · 76.13.79.47.nip.io

x402 Market Feed: ranked paid-resource demand signals from x402 discovery, including 30-day calls, unique payers, price, estimated gross revenue, tags, niche summaries, and a buildBrief with recommended experiments, pricing rules, and do-not-build warnings for agents deciding what crypto/API endpoint to build, buy, or price. The crypto preset is shaped for agents evaluating token-risk, crypto-news, onchain-prefilter, and x402 seller-tool demand.

$0.001 Base 107 paid calls

Stock quote · Stock Quote

Stock quote · agent402.tools

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-market use premarket-quote, and for crypto pairs crypto-price returns richer market fields. Backed by Yahoo Finance's public chart endpoint - keyless, no rate limits in practice.

$0.001 Base 100% up 106 paid calls

VAPE · Data Yields

VAPE · vape-x402.vapex402.workers.dev

VAPE yields — Yield pools filtered by chain/project/symbol, ranked by TVL, with apy/apyBase/ilRisk/exposure — enough to tell a real yield venue from a trap (huge APY + tiny TVL = red flag).

$0.01 Base 106 paid calls

X402node · Defi Yield Best

X402node · api.x402node.dev

Highest-yield DeFi pools across all chains and protocols, filterable by token and chain, TVL-filtered to exclude dust, with base vs reward APY split and impermanent-loss risk - aggregates 16000+ pools into a ranked shortlist agents cannot assemble. best yield, defi yield, highest apy, yield farming, best lending rate, yield aggregator Accepts payment on Base or Solana — either network works.

$0.01 Base 100% up 103 paid calls

Myceliasignal · ETH USD

Myceliasignal · api.myceliasignal.com

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

$0.01 Base 100% up 93 paid calls

VAPE · Data DEX Volumes

VAPE · vape-x402.vapex402.workers.dev

VAPE dex_volumes — DEX trading volume on a chain by venue, each with its logo (default Base) — real trading activity across the chain's exchanges.

$0.01 Base 93 paid calls

Otto AI · Funding Rates

Otto AI · x402.ottoai.services

Cross-venue funding-rate arbitrage + crowded-positioning radar: live perp funding rates, open interest, global & top-trader long/short ratios, whale positions, and liquidations across Binance, OKX, Bybit, Hyperliquid, and more. Omit symbol for the whole-market overview; pass one (e.g. BTC) for the per-exchange breakdown. (Hyperliquid-only perp data: use hyperliquid-market.)

$0.001 Base 100% up 88 paid calls

TickersFeed · Stock News

TickersFeed · api.tickersfeed.net

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.

$0.005 Base 100% up 81 paid calls

Otto AI · Tokenized Equities

Otto AI · x402.ottoai.services

Live registry of tokenized US equities & ETFs on Robinhood Chain (4663): symbol, pin-verified token address, decimals, routability, and the EXECUTABLE buy price — what a $100 buy pays per token at the route's minimum output — next to the catalog reference price and their deviation. Not a data-coverage claim. Informational only. Hourly.

$0.001 Base 100% up 78 paid calls

US Treasury daily yield curve · Treasury Yield Curve

US Treasury daily yield curve · agent402.tools

Latest US Treasury daily constant-maturity yields (1mo, 3mo, 6mo, 1y, 2y, 3y, 5y, 7y, 10y, 20y, 30y) as clean JSON. Source: FRED DGS* series (St. Louis Fed), public domain, no key. No params - always returns the most recent published curve.

$0.01 Base 100% up 62 paid calls

Token Price Snapshot · Crypto Prices

Token Price Snapshot · store.agentexchange.work

Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, bitcoin, 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. Also accepts legacy ?ids=bitcoin,ethereum.

$0.01 Base 100% up 57 paid calls

Printmoneylab · KR Prices

Printmoneylab · api.printmoneylab.com

Korean exchange prices (Upbit, Bithumb) for a single token in KRW

$0.002 Base 100% up 57 paid calls

Otto AI · Defi Analytics

Otto AI · x402.ottoai.services

Where DeFi capital is flowing — TVL rankings, fastest-growing vs bleeding protocols, chain-by-chain breakdown, and per-protocol deep dives. Track capital rotation and protocol health. Powered by DefiLlama.

$0.001 Base 100% up 57 paid calls

Vibe Springs · Price SOL USD

Vibe Springs · vibesprings.net

Real-time SOL/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.

$0.002 Base 100% up 57 paid calls

Oblique Markets · Paid Bazaar Pulse

Oblique Markets · api.oblique.markets

Use when an agent needs bazaar pulse. Returns Live x402 Bazaar market pulse: trending services, call volumes, new listings, and catalog changes from daily full-catalog snapshots. Machine-readable JSON for agent-market research. $0.002.

$0.002 Base 100% up 55 paid calls

Vibe Springs · Price Base GAS

Vibe Springs · vibesprings.net

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

$0.001 Base 100% up 53 paid calls

NetIntel · Currency Exchange Convert

NetIntel · netintel.dev

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.

$0.01 Base 100% up 50 paid calls

Vibe Springs · Exchange Convert

Vibe Springs · vibesprings.net

Fiat currency converter and international pricing calculator. Perform instant conversions for any base amount between 30+ fiat currencies with official real-time ECB rates. Returns the exact converted sum, forward exchange rate, and the inverse exchange rate for clear cross-currency financial auditing.

$0.002 Base 100% up 50 paid calls

Swaphunt · Price Multi

Swaphunt · x402.swaphunt.dev

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.

$0.003 Base 48 paid calls

Otto AI · Technical Signals

Otto AI · x402.ottoai.services

Daily technical snapshot for a vendor-resolved equity from licensed Tiingo adjusted closes: Wilder RSI-14, 20-session momentum, SMA-20/SMA-50, price distance from each average, above/below/mixed trend state, and the latest observed golden/death cross. Price and averages retain Tiingo payload units because the captured feed does not identify a currency.

$0.003 Base 100% up 48 paid calls

CoinGecko Crypto Price & Data · Markets

CoinGecko Crypto Price & Data · coingecko.use.x402atlas.com

Top crypto coins ranked by market cap — paginated market data (price, market-cap rank, symbol) in any currency, CoinGecko-sourced.

$0.005 Base 100% up 47 paid calls

MacroPulse · FX Convert

MacroPulse · macropulse.theaslangroupllc.com

Convert an amount between currencies at the official European Central Bank reference rate. Answers "what is the USD to EUR exchange rate", "convert 250 GBP to JPY", "what was the EUR/USD FX rate on 2024-03-15". Multi-currency in one call (to=EUR,GBP,JPY), 30+ currencies, historical daily fixings back to 1999. Deterministic and cacheable: real ECB data, not a model estimate — identical inputs always return the identical rate. Keyless, sub-second.

$0.005 Base 46 paid calls

Omni Terminal · Market Risk

Omni Terminal · omniterminal.app

Omni Terminal assesses one Hyperliquid market before entering, sizing, or reducing a position using all published mark-anchored liquidation levels, explicit flow direction, margin stress, current funding/carry, and enriched AI news.

$0.01 Base 43 paid calls