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.
Why this order?
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…
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.
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…
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…
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 …
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…
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.
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…
exchange-rates.hergertsynthora.com
Returns current foreign exchange rates for about 165 fiat currencies against a chosen base currency, sourced from open.er-api.com and served as JSON with a signed receipt. Three free calls per wallet are available by sending an X-WALLET hea…
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.
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.