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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 37–56 of 56
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.
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
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
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
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
hypernatt.com hypernatt.com

HyperNatt Terminal for AI agents: multi-crypto liquidation radar (magnet, OI, clusters) + Li.Fi cross-chain swap. MCP surface = 3 tools v2.7.0 (get_agent_manifest, get_liq_radar, swap_via_nattswap). Whitelist BTC ETH SOL BNB XRP HYPE ZEC. F…

paid API finance x402
$0.56 · 30d 555 tx
api.stocktrends.com api.stocktrends.com

Per-request paid API exposing weekly Stock Trends data for North American equities and ETFs: prices, trend indicators, market regime, screener, leadership rotation and history. Priced from $0.0025 to $0.50 per call in USDC on Base.

paid API finance x402
$25.36 · 30d 364 tx
tick.hugen.tokyo tick.hugen.tokyo

Best bid/ask FX aggregated from multiple sources across 14 instruments (major pairs and XAUUSD), with quality metadata: number of fresh sources, quality status and spread comparison against the single source. Paid per call in USDC on Base o…

paid API finance x402
$26.74 · 30d 2,334 tx
edgar.apitoll.cloud edgar.apitoll.cloud

SEC EDGAR data by ticker or CIK: 10-K, 10-Q and 8-K filings, Form 4 insider trades, and a bundle combining insider, 13F holdings and recent 8-K in one call. Sources live from data.sec.gov. A free coverage route reports which forms exist bef…

paid API finance x402
$0.26 · 30d 87 tx
api.bitrefill.com api.bitrefill.com

API to search gift cards, eSIMs and mobile top ups and pay for them in USDC via x402, priced per call and with no account. Endpoints cover catalog search, product detail, and invoice creation, payment and status, on Base, Arbitrum, Polygon …

paid API finance x402
$178669.76 · 30d 1,480 tx
Slippage and price-impact oracle for any crypto pair slippage.hergertsynthora.com

Slippage and price-impact oracle for any crypto pair: estimates expected slippage, price impact and effective execution price for a given trade size from live order-book depth and liquidity. Answers 'expected slippage for this swap', 'price…

paid API offline finance x402
$0.40 · 30d 59 tx
FX Exchange Rates (ECB) fx-rates.hergertsynthora.com

Foreign exchange reference rates for 30+ currencies, sourced from European Central Bank data via the Frankfurter API. Keyless JSON endpoint; the first 3 calls per wallet are free.

paid API offline finance x402
$0.40 · 30d 59 tx
SYNTHORA DeFi Strategy Verdict defiverdict.hergertsynthora.com

Scores a caller-supplied DeFi yield, LP or staking position (protocol, pool address, APY, TVL, duration) and returns an execute/monitor/avoid verdict with risk flags plus an Ed25519-signed receipt. The pool address is checked on-chain for c…

paid API offline finance x402
$0.44 · 30d 98 tx
SYNTHORA Routing Check routingcheck.hergertsynthora.com

Validates a US bank routing number (ABA): 9-digit format check, mod-10 weighted checksum, Federal Reserve district decode and institution-id extraction. Ed25519-signed receipt. First 3 calls per wallet are free via the X-WALLET header.

paid API offline finance x402
$0.44 · 30d 98 tx
SYNTHORA Liquidation Risk Signal (Aave v3) liqrisk.hergertsynthora.com

Returns the live Aave v3 health factor, collateral and debt for any wallet on Base, with a liquidation risk signal ranging from safe to liquidation_now. Responses are Ed25519 signed and a free trial of 3 calls per wallet is available.

paid API offline finance x402
$0.44 · 30d 98 tx