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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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Crypto & DeFi
281 results- Xx402.sniperx.funCrypto & DeFi
Get SmartMoney trading activities on token (sorted by time descending)
Solanax402.sniperx.funfrom $0.00110 endpoints
wafermap.xyzCrypto & DeFiGas Now — Current gas price and latest block on Robinhood Chain or Base.
BaseRobinhood ChainArbitrum+2wafermap.xyzfrom $0.00136 endpoints
News headlines, latest newsCrypto & DeFiNews headlines, latest news. News headlines on any topic, crypto included, as JSON: title, URL, snippet, publisher domain and age, from the Brave Search API's news index. 1-20 results per call; freshness limits results to the past day, week or month. Results are for the caller's immediate use only: no storing, resale or model training (Brave API terms). Upstream failures return 503, uncharged. Use
BasePolygonArbitrum+1agent-data-tools.revmesh2074.workers.devfrom $0.002575 endpoints
NetIntelCrypto & DeFiEmail deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / anti-phishing readiness for any sending domain.
BaseSolananetintel.devfrom $0.001128 endpoints- Ssvm402-serviceCrypto & DeFi
Solana token price and liquidity before you swap: one cheap per-mint market-data call returning the live price and liquidity depth, sourced from Jupiter and Helius. The pre-trade numbers when you do not need the full due-diligence report. — $0.01 USDC
Solanasvm402.comfrom $0.00214 endpoints
Losbeto Market IntelligenceCrypto & DeFiTurn messy text into strict JSON: send text plus the fields you want and get back exactly those keys, null for anything the text does not state — never invented. Invoices, emails, contracts, scraped pages, chat logs....
BaseSolanaalgorand+2api.losbeto.xyzfrom $0.001112 endpoints- Aapi.deepnets.aiCrypto & DeFi
Token safety analysis for a Solana mint: overall risk level, wallet-network concentration, bundle detection, mintable/freezable flags, critical risks, and warnings. Returns the most recent cached analysis.
Solanaapi.deepnets.aifrom $0.016 endpoints - SSiteCheck Crypto & FinanceCrypto & DeFi
DeFi pool APY (total, base, reward), TVL, 7/30-day APY change and impermanent-loss estimate (il7d, ilRisk) from DefiLlama. Filter by project, chain and symbol; returns up to 20 pools by TVL. APY is DefiLlama's estimate, not a guaranteed return.
BaseSolanaEVM chain 5042+9api.chainmarket-api.workers.devfrom $0.002174 endpoints
x402PulseCrypto & DeFiPolymarket trader scorecard for any wallet: skill score (0-100), edge over the odds paid, win rate vs. the win rate the odds implied, return (ROI), realized PnL, specialty and largest open positions. Scores the latest 200 finished bets, losses included.
BaseSolanax402pulse.devfrom $0.001448 endpoints- DDegenscan IntelCrypto & DeFi
Cheapest probe: last-hour event counts by class, top-3 severe events with impacts, venues open. Call hourly or as a health check before deeper calls.
BaseSolanaintel.degenscan.iofrom $0.00157 endpoints - Aapi.x402node.devCrypto & DeFi
China A-share major indices snapshot in one call: Shanghai Composite, Shenzhen Component, ChiNext, and CSI 300 — with price, change, percent change, day range and volume. The whole-market glance Chinese retail investors check every session. A股四大指数一览:上证指数、深证成指、创业板指、沪深300,含最新点位、涨跌、涨跌幅、振幅、成交量,一次调用看全大盘。A株主要指数スナップショット。Panorama de indices bursatiles de China A. Accepts payment on Base or Solana — either
SolanaBaseapi.x402node.devfrom $0.0022498 endpoints
Cult OS Developer ToolsCrypto & DeFiHash & Integrity
BaseSolanacultos.devfrom $0.00114 endpoints- AApiToll Crypto PricesCrypto & DeFi
Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, 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.
BaseSolanacrypto.apitoll.cloudfrom $0.00111 endpoints - SStationFXCrypto & DeFi
Convert flat tabular JSON (array of objects, or {meta, data, result_type}) to TOON, a compact pipe-delimited text format with ~60-70% fewer tokens than JSON. $0.005 per call via x402 USDC on Base or Solana, or a bearer token.
BaseSolanastationfx.comfrom $0.00549 endpoints - Ttick.hugen.tokyoCrypto & DeFi
Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. Includes quality metadata (fresh_sources, quality_state, spread_vs_single_source). Supports 29 FX pairs including EURUSD, USDJPY, GBPUSD, AUDUSD, AUDNZD, and XAUUSD. AI agent API for forex trading signals, portfolio valuation, price comparison, and arbitrage detection. Accepts USDC payments on B
BaseSolanatick.hugen.tokyofrom $0.0053 endpoints - Ppolynews.newsCrypto & DeFi
Smart money analysis: YES/NO concentration, sharp holders (track record), unusual-wallet anomalies, net flow, and directional lean. Anomaly intensity is NOT a trade recommendation.
BaseSolanapolynews.newsfrom $0.0016 endpoints
Laso FinanceCrypto & DeFiGet a Firebase ID token for authenticating with the callable APIs
BaseSolanalaso.financefrom $0.0016 endpoints- SSiteCheck Agent Intel & DevCrypto & DeFi
Checks an x402 (HTTP 402 payment) endpoint before you pay: one unpaid GET, then the HTTP status, whether a 402 challenge with an accepts list is present, the payment networks, asset, price and pay-to address format, CORS header and response time. Does not pay, does not verify the seller's identity or reputation, and gives one sample, not uptime.
BaseSolanaEVM chain 5042+9api.fadeandco.workers.devfrom $0.002135 endpoints - Uunderground.substratesymposium.comCrypto & DeFi
Wire-In Lookup — per-entity merchant-seat verdict. Pass ?ua=<counterparty-UA>; get ONE signed row: score (0.0-1.0 payment-reliability observed at this seat), confidence, verdict (settled | attempted_payment | probe_only | low_signal | unknown), observed counts, Ed25519 attestation. $0.01 USDC/entity on Base or Solana. Fold the score into your own counterparty model — wire it into your scoring loop
SolanaBaseunderground.substratesymposium.comfrom $0.01180 endpoints - TTenPrintCrypto & DeFi
Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.
BaseSolanaalgorandrubric-protocol.comfrom $0.00129 endpoints
NansenCrypto & DeFiGet Smart Money Holdings Data
SolanaBaseX Layer+2api.nansen.aifrom $0.0160 endpoints- 33RouteCrypto & DeFi
Price a swap without building a transaction. Returns expected input, output, and gas without constructing an executable transaction. Quotes are informational and can change with liquidity and chain state.
BaseEVM chain 42793Solanaapi.3route.iofrom $0.0011 endpoint - SSpread Paywall APICrypto & DeFi
Generates random UUID v4 values, returns a JSON array of UUID strings
BaseSolanaworkspace-x402-paywall.onrender.comfrom $0.00157 endpoints - Aapi.jarvisclaw.aiCrypto & DeFi
AI responses API - OpenAI-compatible multi-turn agent responses, pay per token with USDC
BaseSolanaapi.jarvisclaw.aifrom $0.001117 endpoints
Xynaptic security-priceCrypto & DeFiXynaptic Security Price — spot market data for US stocks: price, previous close, day range, 52-week range, currency, exchange + up to 30d history (OHLCV). GET ?ticker=AAPL&history=30. Refreshed intraday.
BaseSolanaPolygon+1api.xynaptic.iofrom $0.01133 endpoints- DDefiLlama DeFi TVL & YieldsCrypto & DeFi
Options volumes for one chain by DefiLlama — options-protocol volume on a single chain.
BasePolygonArbitrum+1defillama.use.x402atlas.comfrom $0.00530 endpoints - EEdge Agents AICrypto & DeFi
Latest available Türkiye central government debt plus a comparable annual history from the World Bank World Development Indicators API, with source, lag and revision caveats. Purpose: Give an autonomous agent a normalized, directly sourced Türkiye central government debt series without forcing it to understand World Bank indicator codes or response shapes. 24-hour freshness target; missing evidenc
BasexrplSolana+2pay.edge-agents.aifrom $0.0184 endpoints - Aagentpaystore.comCrypto & DeFi
Live data feeds in one call: crypto prices, DeFi TVL, gas, equities, forex, earnings, RSI momentum, DEX signals and wallet risk.
BaseSolanaagentpaystore.comfrom $0.00117 endpoints - SScrapling x402 Data StoreCrypto & DeFi
Current price of BTC, ETH and about 155 other major coins, read from Chainlink on-chain price feeds: USD price, 1h/24h/7d/30d % change and 24h high/low. Market cap, volume, supply and all-time high are not included. Example: q=btc, q=ethereum, q=solana. Refreshed about every 30 min
BasePolygonArbitrum+1scraplingdata.xyzfrom $0.00156 endpoints
PreReasonCrypto & DeFiWhat changed since your last read: one page of PreReason's change events after a cursor. A briefing's state label, a tracked release, and, for the companies you name (?companies=, at most 200), newer figures, a situation turning on or filed news (?kinds= narrows it). Each event says what changed, when it happened, when PreReason knew it and where to fetch it, never a value. With no cursor it answe
BaseSolanaapi.prereason.comfrom $0.0139 endpoints
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.