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Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.

protocol All A2A only Paid APIs Domain verified Has on-chain inflow
category All Data 320 AI 122 Finance 83 Verification 55 Blockchain 54 Other 21 Content 17 Search 14 Web 12 Compute 12 Infrastructure 10 Inference 9
sort Quality Revenue (30d) Recently updated Name
Showing 37–72 of 83
Why this order?
Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + domain-verified agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
Vybe Solana Analytics API (x402) x402-api.vybenetwork.xyz
65%

Solana on-chain analytics — token prices, top holders, wallet PnL, DEX trades, transfers, Pyth oracles. Pay-per-call USDC on Solana or Base; no API key.

paid API finance x402
from $0.01
smartmoney.market pay.smartmoney.market
65%

Smart money market data API for curated 13-F fund positioning, selected issuer-side Form 4 insider activity, and House PTR trading signals with JSON endpoints for agents.

paid API finance x402
from $0.01
Clustly tip.clustly.ai
65%

Tip any X (Twitter) handle in Solana USDC via x402. Registered Clustly users receive directly to their linked Solana wallet; unregistered handles are escrowed in a Privy-custodied placeholder pocket the recipient can claim later via X OAuth…

paid API finance x402
from $0.17
Snack Money api.snack.money
65%

Micropayment API — send USDC "Snacks" (tips, rewards) to social identities (X, Farcaster, GitHub, email, domain). Single and batch payments.

paid API finance x402
from $0.01
Askew x402.askew.network
65%

Security and DeFi intelligence for AI agents. Live DeFi yield comparison across 5 chains (DefiLlama-sourced), SOL/ATOM staking routing (native vs liquid), Guardian security threat summary, agent-economy research search, and a combined strat…

paid API finance x402
from $0.00
TradeOS Crypto Intelligence tradeos.tech
65%

Plain read-only crypto intelligence APIs for agents, dashboards, screeners, and research workflows.

paid API finance x402
$0.01 · 30d 1 tx
PopaDex Personal Finance Reference API app.popadex.com
65%

Read-only personal finance reference-data and calculation API for AI agents: tax estimates, disposable-income comparisons, sub-central tax rates, and social-security contribution data.

paid API finance x402
from $0.01
Greenwood Financial Intelligence api.greenwood.financial
65%

Real-time SEC EDGAR insider trading signals, congressional STOCK Act disclosures, FEC political contribution monitoring, and compound signals — cross-referenced and scored. Pay per query via x402 on Base mainnet. No subscriptions, no API ke…

paid API finance x402
from $0.00
MIND Protocol api.mindprotocol.xyz
65%

Paid Solana data cards for autonomous agents: price signals, wallet market intelligence, and risk scoring over x402 v2 and USDC.

paid API finance x402
from $0.01
SolProbe api.solprobe.xyz
65%

On-chain intelligence for Solana traders and agents, priced per call over x402. Token risk scans and safety grades, trending and smart-money discovery, wallet intel, launch and graduation radar, exit and cross-chain exit checks, news signal…

paid API offline finance x402
$0.59 · 30d 10 tx
Trend Signals trend-signals.com
65%

Derived crypto trend data for autonomous agents — not a price feed. PP-SuperTrend trend state across ~1,600 crypto assets: bull/bear direction on 1D, 4H and 1W, how many bars ago each asset flipped, the band level at which the trend invalid…

paid API finance x402
from $0.01
Wintergreen x402 Content Broker x402.wintergreen.uk
65%

Live Hyperliquid quant data (funding rates, OHLCV, regime classification, correlation matrices), raw Polymarket odds, proprietary weather-forecast calibration and oil geopolitical event-study feeds, quant methodology packs, and x402 endpoin…

paid API finance x402
from $0.00
BRS Signals brs-signals.com
65%

Live Bitcoin market-regime API for AI agents. Three independent sensors (on-chain, off-chain, absence) read the market every 30 seconds and reject almost everything — when they converge, a directional call is emitted with the evidence attac…

paid API finance x402
from $50.00
stipend.sh gas top-up stipend.sh
65%

Non-custodial USDC wallet on Base that an AI agent installs unaided. This x402 endpoint tops up gas credits: we broadcast the agents signed transfer and pay the network fee so it can send without ever holding ETH.

paid API finance x402
from $7.80
TrafficMonetize BTC Prediction Feed trafficmonetize.com
65%

Proprietary BTC 15-minute cycle Kalshi prediction feed — 740 verified trades, 82.7% win rate all-time (84.1% last 7d, 82.8% last 30d). Automated Kalshi trading bot signals delivered via x402 micropayments. Pay USDC on Base mainnet OR Solana…

paid API finance x402
from $10.00
forex-latest.hergertsynthora.com forex-latest.hergertsynthora.com
65%

Returns European Central Bank daily reference exchange rates for 30+ currencies, for any base and quote pair, proxied from the public Frankfurter API. Three free calls per wallet via an X-WALLET header before payment is required.

paid API offline finance x402
$0.44 · 30d 98 tx
Satoshi Dispatches — Lightning & x402 API dispatches.mystere.me
35%

Pay-per-call Lightning Network and Bitcoin data API. Invoice decoding, fee estimates, routing queries, real-time node stats. Dual payment: L402 (Lightning sats) or x402 (USDC on Base). From a real mainnet Lightning node — not a proxy, not a…

paid API finance x402
Blocksize Market Data mcp.blocksize.info

Agent-native institutional crypto, FX, and metals market data through listed x402-paid per-call routes.

paid API finance x402
$0.02 · 30d 5 tx
TNT House Risk-Data API tnt-audit.com

Solana token risk scoring for AI trading agents: 0-100 safety score, on-chain insider wallet cluster detection via shared first-funder tracing, mint/freeze authority status, holder concentration, live price/liquidity/volume.

paid API finance x402
from $0.02
sec.multyplylabs.com sec.multyplylabs.com

Normalized SEC financial data, priced per call, built for agents. Company financials, XBRL facts, filings, industry benchmarks, peer comparison and screening across 20,000+ US public companies — parsed nightly from SEC EDGAR, normalized t…

paid API finance x402
from $0.01
mru-oracle.com mru-oracle.com

First comprehensive AML/CFT compliance oracle for the agent economy. Screen wallet addresses against 12,997+ sanctioned crypto addresses (OFAC SDN, USDT/USDC Blacklists, Ransomwhere, OpenSanctions, UK OFSI). Search 1.1M+ entities across OFA…

paid API finance x402
$0.09 · 30d 66 tx
strategysignals.duckdns.org strategysignals.duckdns.org

Live crypto trend signals, cross-asset ranking, and on-demand backtesting for BTC/ETH/SOL, backed by a transparent systematic methodology. Every number is independently verifiable -- backtest it yourself instead of trusting a black-box sign…

paid API finance x402
$0.14 · 30d 7 tx
x402stock.xyz x402stock.xyz

Pay-per-call market and economic data API for agents: US stocks, ETFs and options, macro series, SEC filings, crypto and market sentiment. Paid in USDC via x402 on Base, no API key required.

paid API finance x402
$30.12 · 30d 1,296 tx
liq.lonestaroracle.xyz liq.lonestaroracle.xyz

Perpetual futures liquidation data for BTC, ETH, SOL, AVAX, LINK and ARB, sourced from OKX. Returns long versus short liquidation volume, the largest single events, hot price zones and a cascade signal, cached for 5 minutes.

paid API finance x402
$10.10 · 30d 113 tx
api-v2.ixs.finance api-v2.ixs.finance

Pay-per-call API exposing IXS tokenized real world asset vaults: vault listings with their underlying asset and on-chain details, returned as JSON. bash.001 per request in USDC on Base.

paid API finance x402
from $0.00
oi.lonestaroracle.xyz oi.lonestaroracle.xyz

Pay-per-call API returning perpetual futures open interest for BTC, ETH, SOL, AVAX, LINK and ARB across OKX, Hyperliquid and dYdX: USD totals, per-exchange breakdown, 5-minute delta and an accumulating or deleveraging signal. $0.05 in USDC …

paid API finance x402
$10.10 · 30d 113 tx
perpsignals.use.x402atlas.com perpsignals.use.x402atlas.com

Pay-per-call API for crypto perpetual futures: funding rates ranked across roughly 100 Binance perp markets, the list of covered symbols, and the current Fear and Greed sentiment index, returned as structured JSON.

paid API finance x402
$0.04 · 30d 5 tx
coil.trade coil.trade

AI stock-scanner board sold per read over x402: ~560 S&P 500 / Nasdaq-100 / Macro names scored for opportunity, entry state, and hold strength, with per-book regime verdicts and buy-list lanes. $0.25/read in USDC on Base, refreshed ~every 5…

paid API finance x402
$1.92 · 30d 4 tx
marketdata.use.x402atlas.com marketdata.use.x402atlas.com

Pay-per-call market data API for stocks, crypto, forex, options and futures: OHLC bars, ticker reference, technical indicators, US macro series, corporate actions, insider trades, short interest and news. Flat $0.015 per call in USDC on Bas…

paid API finance x402
from $0.01
defillama.use.x402atlas.com defillama.use.x402atlas.com

Pay-per-call proxy over DefiLlama public data: DeFi TVL, yield pool APY, token prices, DEX and fee volumes, stablecoin supply. 30 endpoints at $0.005 per call in USDC on Base. Operated by x402 Atlas, not affiliated with DefiLlama.

paid API finance x402
$0.05 · 30d 10 tx
hyperliquid.use.x402atlas.com hyperliquid.use.x402atlas.com

Pay-per-call REST API serving Hyperliquid market data on Base: spot and perp context, mid prices, order book, OHLCV candles, funding and predicted funding, open-interest caps and perp metadata. Nine endpoints, $0.005 to $0.01 per call. Oper…

paid API finance x402
$0.07 · 30d 9 tx
hyperliquid-predict.use.x402atlas.com hyperliquid-predict.use.x402atlas.com

Relays Hyperliquid HIP-4 prediction market data over x402: a catalog of outcomes with their metadata, and the settled result for a single outcome by id. Upstream payloads are relayed verbatim. Operated by x402 Atlas, not by Hyperliquid.

paid API finance x402
$0.02 · 30d 4 tx
stablefinance.dev stablefinance.dev

Pay-per-request API for US equities data: prices, financial statements, SEC filings, 13F holdings, insider trades and central bank rates. Wraps the Financial Datasets AI API at $0.02 per successful call, no upstream account needed.

paid API finance x402
$2.38 · 30d 119 tx
hyperliquid-accounts.use.x402atlas.com hyperliquid-accounts.use.x402atlas.com

Paid API returning a Hyperliquid account's trading state for any 0x address: perpetuals positions and margin, spot balances, HYPE staking, open orders, recent fills, portfolio history and fee tier. Relays Hyperliquid's public upstream data,…

paid API finance x402
from $0.01
cpi-report-us.underscoredone.com cpi-report-us.underscoredone.com

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 an…

paid API finance x402
$30.68 · 30d 57 tx
coingecko.use.x402atlas.com coingecko.use.x402atlas.com

Pay-per-call REST API serving CoinGecko data on Base: spot prices, OHLC candles, market-cap rankings, coin metadata, 24h trending coins and historical price snapshots, at $0.005 per call. Operated by x402 Atlas, not by CoinGecko.

paid API finance x402
$0.15 · 30d 31 tx