The open discovery layer for x402 services — 22603 verified service entries, LLM-ranked recommendations via /api/v1/ask, and service cards with payment, call, and quality metadata.
Add your APIAggregated from public x402 sources — x402scan, awesome-x402, Coinbase CDP Bazaar, pay-skills PRs — plus our own crawling and provider self-submissions. Every entry is de-duplicated across sources, liveness-probed (health + on-chain payment demand), and passed through ingestion filters (bare-IP / dead-host removal) before listing — distilling tens of thousands of raw endpoints down to 22603 verified services.
Overall Stats
Live counters across the directory and discovery API
Top rated
by quality score · health · trust signals| # | Tool | Grade | Score |
|---|---|---|---|
| 1 |
api.onesource.io
ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC
|
A | 10.00 |
| 2 |
OneSource - Ethereum RPC for AI Agents
Ethereum mainnet and Sepolia testnet RPC for AI agents, served from OneSource-operated nodes. Live block, balance, contract, NFT, transaction, and event data. Pay per call or use batch/session mode — USDC on Base via x402, or pathUSD/USDC.e on Tempo via MPP. No API keys required.
|
A | 10.00 |
| 3 |
Bitrefill x402
Buy gift cards, eSIMs, mobile top-ups and prepaid cards with USDC via x402. 10,000+ brands across 180+ countries. No API keys or Bitrefill account required — wallet payment and optional SIWX sign-in only.
|
A | 9.90 |
| 4 |
BotPay — AI Agent Payment Network and x402 Infrastructure
BotPay provides payment access, API discovery, automated service delivery, and settlement infrastructure for AI agents, applications, robots, and connected machines.
|
A | 9.86 |
| 5 |
Otto AI x402 — Market Intelligence, DeFi & Trading
84 pay-per-call AI services on x402 V2 — market intel, DeFi execution, AI creative tools. USDC on Base on every endpoint, Solana USDC on 66 of 84. From $0.001 per call.
|
A | 9.65 |
| 6 |
BlockRun — The routing & payment layer for AI
Pay for the outcome. One endpoint for every model, tool and data source an agent needs — each call priced before it runs, at the best value per dollar. 114 models and 100 data and tool APIs.
|
A | 9.63 |
| 7 |
blockrun-web-vbsbhh7lea-uc.a.run.app
AI chat completions API - pay per request with USDC on Base
|
A | 9.62 |
| 8 |
BlockRun
BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 87 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Base — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. 7 open-weight chat models are free and need no wallet.
|
A | 9.62 |
| 9 |
ACP - Virtuals Protocol
Virtuals Protocol ACP Job Payment Service - Pay for ACP jobs using x402 protocol
|
A | 9.60 |
| 10 |
stable-enrich-git-mason-migrate-off-prices-map-merit-systems.vercel.app
Exa Search - Neural search across the web
|
A | 9.59 |
All services
Crawled from awesome-x402, CDP Bazaar, x402scan and manual submissions · refreshed daily.
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Edge Agents AI● healthy
Machine-purchasable market intelligence for AI agents, paid per request over x402. 800+ services covering crypto (BTC, ETH, SOL, XRP, stablecoins, derivatives and funding rates), macro, rates, FX and commodities, each returned with evidence, freshness, uncertainty and provenance. From $0.01 per call. Settle in USDC on Base, Solana, Arbitrum or Polygon, or RLUSD on XRPL. Catalogue: https://pay.edge-agents.ai/.well-known/x402 · OpenAPI: https://pay.edge-agents.ai/openapi.json · MCP: https://pay.edge-agents.ai/mcp
B+8.2 finance base $0.0100 USDC / call -
SpendTheBits● healthy
DeFi risk data per call: a 0-100 yield safety score with components and observed APR for vetted stablecoin vaults, a sanctions and scam screen for wallet addresses, and a reputation report on one contract before funds move.
B7.7 finance base $0.0030 USDC / call -
PJM Nowcast● healthy
Pay-per-request PJM RTO nowcast: latest and trailing descriptive stats for RTO LMP, zonal spreads, and RTO load as JSON for agents marking power windows.
B7.2 finance base $0.0200 USDC / call -
x402 Crypto Price Tracker● healthy
Agent-payable crypto price JSON API using x402 / USDC on Base. No API keys required. Covers BTC, ETH, SOL, and 13 other assets with portfolio snapshots, revenue opportunity feeds, and x402 audits.
B6.6 finance base $0.0100 USDC / call -
Edge Agents AI● healthy
Machine-purchasable market intelligence for AI agents, paid per request over x402. 800+ services covering crypto (BTC, ETH, SOL, XRP, stablecoins, derivatives and funding rates), macro, rates, FX and commodities, each returned with evidence, freshness, uncertainty and provenance. From $0.01 per call. Settle in USDC on Base, Solana, Arbitrum or Polygon, or RLUSD on XRPL. Catalogue: https://pay.edge-agents.ai/.well-known/x402 · OpenAPI: https://pay.edge-agents.ai/openapi.json · MCP: https://pay.edge-agents.ai/mcp
B+8.3 finance basexrplsolanaarbitrumpolygon $0.0100 USDC / call -
Elfa AI● healthy
Auto conditional alerts and Iris market intelligence: describe a price or social condition and get a webhook when it fires, over trending assets, mentions, account quality, news and narratives.
B7.4 finance base $0.0145 USDC / call -
AgentBIT Stablecoin Stats & Peg Monitor● healthy
Stablecoin market data with the number agents paying in USDC actually need: current price and PEG DEVIATION per coin, circulating supply, peg mechanism and chains, ranked by market cap. Filter by symbol or screen for depegs (absolute deviation above a threshold). Open DefiLlama data, refreshed every
B+8.2 finance basepolygonarbitrumsolanaeip155:480 $0.0020 USDC / call -
AgentBIT Token Price● healthy
Current token prices for up to 10 tokens per call, on any chain: address as <chain>:<address> (base:0x…, ethereum:0x…) or coingecko:<id> for majors. Aggregated market price with a confidence score and timestamp, from DefiLlama's open price engine. $0.002 — priced for agents that check before every t
B+8.2 finance basepolygonarbitrumsolanaeip155:480 $0.0020 USDC / call -
AgentBIT Stock Price● healthy
Latest equity quote from a free, key-less source (Yahoo Finance): price, day open/high/low, previous close, % change, volume and currency. Input a symbol like AAPL. Delayed, $0.005.
B+8.2 finance basepolygonarbitrumsolanaeip155:480 $0.0050 USDC / call -
AgentBIT Protocol TVL & Fundamentals● healthy
DeFi protocol fundamentals in one call: current TVL, 1-day and 7-day change, category, chains and website for any protocol — search by name, or screen the whole universe by category and chain ranked by TVL. Open DefiLlama data, refreshed server-side every 15 minutes.
B+8.2 finance basepolygonarbitrumsolanaeip155:480 $0.0020 USDC / call -
AgentBIT DeFi Yield Search● healthy
Search every tracked DeFi yield pool with TVL over $50k: filter by chain, project, token symbol, stablecoin-only and minimum TVL, ranked by APY with base/reward split and IL risk. Open DefiLlama data, refreshed server-side every 15 minutes. $0.002 per query — the yield screener as a pay-per-call pri
B+8.2 finance basepolygonarbitrumsolanaeip155:480 $0.0020 USDC / call -
AgentBIT Invoice / IBAN Intelligence● healthy
Financial identifier validation: IBAN validation (format, length per country, mod-97 checksum), IBAN repair suggestions for OCR errors, EU VAT number format validation. Deterministic, instant, no third-party calls — for invoice, payment and onboarding agents.
B+8.2 finance basepolygonarbitrumsolanaeip155:480 $0.0200 USDC / call -
AgentBIT SEC Filings (EDGAR)● healthy
Recent SEC EDGAR filings for a US public company by ticker or CIK, optionally filtered by form (10-K, 10-Q, 8-K, ...). Returns form, filing/report dates, accession number and a direct document URL. Free public source, $0.01.
B+8.1 finance basepolygonarbitrumsolanaeip155:480 $0.0100 USDC / call -
AgentBIT Crypto Trader Kit● healthy
One call, the whole pre-trade picture: crypto market sentiment (Fear & Greed + global stats), live Base gas/block, optional token price(s) and related prediction-market odds. A bundled decision snapshot for trading agents, $0.01.
B+8.1 finance basepolygonarbitrumsolanaeip155:480 $0.0100 USDC / call -
AgentBIT Crypto Market Sentiment● healthy
Crypto market sentiment in one call: the Fear & Greed index (0-100 with classification) plus global market stats — total market cap, 24h volume, BTC/ETH dominance and 24h change. Free public data, $0.002.
B+8.1 finance basepolygonarbitrumsolanaeip155:480 $0.0020 USDC / call -
AgentBIT Wallet Dossier● healthy
The complete picture of a Base wallet in one call: profile (balance, type, ERC-20 holdings), recent transactions, top counterparties and sanctions/risk screening — merged from four AgentBIT wallet tools. $0.02.
B+8.1 finance basepolygonarbitrumsolanaeip155:480 $0.0200 USDC / call -
AgentBIT FX Aggregator● healthy
Live foreign-exchange rates for one or many currency pairs (e.g. EUR/USD, EUR/RON, USD/JPY) with mid, indicative bid/ask, source attribution, timestamp and confidence. ECB-derived reference rates, cached 30 seconds. Use for pricing, conversions and finance agents.
B+8.1 finance basepolygonarbitrumsolanaeip155:480 $0.0050 USDC / call -
Onchain Stock Data● healthy
Pay-per-request onchain data for tokenized US equities (xStocks on Solana): DEX liquidity vs underlying, holder concentration, IPO calendar, plus a weekly Claude equity portfolio with auto-scored, evidence-linked catalyst verdicts. No API keys.
B7.0 finance solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp -
AGENTUM - Taxas Oficiais do Brasil● healthy
Selic, CDI e dólar comercial, direto do Banco Central do Brasil, num JSON só.
B7.8 finance base $0.0100 USDC / call -
Hyperliquid Liquidation Risk Index● healthy
Real-time Hyperliquid BTC/ETH liquidation proximity index: notional at risk if price moves +/-1%/3%/5%, position closest to liquidation, funding rate. Built from real on-chain position data (not a statistical estimate).
B7.8 finance base $0.0300 USDC / call -
Base USDC lending APY● healthy
Live USDC lending APY on Base, read on-chain: Aave V3 USDC vs Morpho Gauntlet USDC Prime. Size-aware pick for parking idle USDC: USD per year, days to break even vs Base gas, skip if entry is uneconomic. Conservative two venues only.
B7.7 finance base $0.0100 USDC / call -
GET before you size — geopolitical risk and regime context for countries, chokepoints, and crypto (Taiwan, Hormuz, Bitcoin Call). Heat check $0.07; pre-size reading The Call $5. Perp context (funding flip, rekt guard, tape vs structure). Our Index hit Crisis mode by March 2008 — 6 months before Lehman. Not a trade signal. Method is GET (not POST).
B6.5 finance baseeip155:43114eip155:196 $0.2500 USDC / call -
EconDash● healthy
Pay-per-call macroeconomic data API with 753 indicators across 298 countries. Returns indicator metadata, time series, country profiles, and category lists for economic research and dashboards.
B7.3 finance base $0.0200 USDC / call -
Ops Control HQ Base Token Risk Signals● healthy
Read-only Base ERC-20 verification/proxy, holder, DEX liquidity/volume/pair-age, Honeypot.is simulation, tax and tradeability signals with transparent attention flags.
B7.3 finance base $0.0100 USDC / call -
Ops Control HQ Currency Exchange Rate● healthy
Informational currency exchange-rate lookup and deterministic conversion from ECB reference-rate data via Frankfurter, with source attribution and cross-rate disclosure.
B7.3 finance base $0.0030 USDC / call -
US public-company research from SEC EDGAR with profile, recent canonical filings and normalized XBRL financial facts with filing provenance.
B7.3 finance base $0.0100 USDC / call -
ScalpStream Municipal Income● healthy
Federally tax-exempt municipal income selections, ranked: municipal bond funds and muni closed-end funds (CEFs) whose distributions are exempt from federal income tax, with computed tax-equivalent yields for the 24%, 32% and 37% brackets, current yield, distribution frequency, consecutive-growth streak and years without a cut. Tax-free muni income for taxable accounts. Impersonal research data — no plan, sizing, or verdict.
B6.8 finance basearbitrumpolygon $0.0100 USDC / call -
ArgonautWorks Base Network Pulse● healthy
Return current Base mainnet health, independent RPC consensus, fees, utilization, ETH/USD, WETH pool activity, and cross-source market premium.
B6.8 finance base $0.0090 USDC / call -
ArgonautWorks ECB FX Reference● healthy
Convert amounts across ECB-supported currencies from official European Central Bank daily euro reference observations, with publication date, source rates, cross-rate math, and attribution.
B6.8 finance base $0.0015 USDC / call -
DESK LEAD x402● healthy
Pay-per-call crypto desk API over x402 (Base USDC + BSC): memecoin score, token safety, pair digest, gas, BSC yield, wallet brief, and desk packs for agent buyers. MCP at /mcp (tools/list free; tools/call x402-gated).
B7.1 finance base $0.0100–$150.0000 USDC -
Aggregated perpetual funding rates, open interest, and best bid/ask across 7 exchanges (OKX, Gate, HTX, Hyperliquid, BingX, Kraken, Coinbase). Returns min/max/mean annualized funding, cross-venue arbitrage spread, total open interest in USD, and per-venue prices for BTC/ETH/SOL. Paid per call: 0.005 USDC on Base.
B6.9 finance basepolygonsolana $0.0050 USDC / call -
Kronos Market Intelligence● healthy
Auditable market intelligence, pay-per-call via x402 (USDC on Base). Calibrated crypto & stock forecast ranges with coverage backtests, risk states, support/resistance levels, derivatives & sentiment context, and live airdrop-farming intelligence. Every response includes an audit block.
B6.3 finance base $0.0500 USDC / call -
OwlChart Insider Trades● healthy
Insider trades read raw from SEC Form 4 and 144, BaFin, AMF, Finansinspektionen and AFM minutes after filing: sales and buys in dollars, sell to buy ratio, biggest trades, or every filing for one ticker.
C+6.0 finance base $0.0300 USDC / call -
OwlChart Spot ETF Flows● healthy
Daily net flows of the US spot Bitcoin or Ether ETFs fund by fund (BlackRock IBIT, Fidelity FBTC and the rest) with running totals.
C+6.0 finance base $0.0300 USDC / call -
OwlChart Money Flows Pack● healthy
Spot Bitcoin and Ether ETF flows, where money moved today across crypto and traditional markets, and the live news wire, in one paid call.
C+6.0 finance base $0.0300 USDC / call -
Top Ledger Wallet Intelligence● healthy
Query Solana wallet intelligence across 20+ DeFi protocols, including portfolio net worth, token holdings, lending, staking, yield, LPs, perps, governance, rewards, and DEX PnL.
C+5.3 finance -
Arkham Intelligence API● healthy
Wallet balances, entity attribution, transfer and exchange-flow tracing, token holders, and Polymarket analytics across 10+ chains — returning labeled entities, portfolio breakdowns, transfer records, and live market data. Paid per request in USDC.
C+5.3 finance -
Magpie● healthy
Agent-native lending protocol on Solana: live LendingPool state across memecoin (V1), RWA (V3), and in-vault exit (V4) strategies, the approved-collateral catalog (170+ tokens), the permissionless liquidation feed, 24h aggregates, and loan/wallet lookups.
C+6.0 finance solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp -
DeepSearch Korean Stock & Crypto● healthy
Historical and real-time data for all 2,000+ KRX-listed companies — up to 10 years of quarterly financials, 3 years of daily prices, news with sentiment, AI issue analysis, investment risk, dividends, and crypto prices with kimchi premium.
C5.0 finance base $0.1000 USDC / call -
Bridge Watch● healthy
Base mainnet address-intelligence API: wallet labels, transaction explanations, funder sybil clustering, CCTP bridge tracking, compliance alerts, and SEC Form 8-K filings served over x402 pay-per-call HTTP endpoints.
C+5.3 finance base $0.0100 USDC / call -
Spraay Batch Payments● healthy
Native batch payments on Solana — send SOL or any SPL token to thousands of wallets in one non-custodial x402 call. The agent signs the returned transactions; the gateway never holds funds. For airdrops, stablecoin payroll, and agent disbursement.
C+5.9 finance solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp -
Agent Control — Agent Meter● healthy
Can I pay this address? First 5 free. Then $0.02 USDC per look. ok · new · warn · sink. No inbox.
C+6.0 finance basesolana $0.2000 USDC / call -
CoinMargin - Tiny Trade● healthy
Deterministic fee-aware net P&L calculator for micro crypto trades. Part of CoinMargin, a five-endpoint x402 toolkit for tiny-trade economics, break-even prices, DCA averages, position sizing, and risk/reward. No API key; $0.001 USDC per call on Base. Catalog: https://coinmargin-lab.ak10082247.workers.dev/api
C+6.0 finance base $0.0010 USDC / call -
Tetrac Exchange Operations● healthy
Account reads, order placement, cancels, leverage changes and withdrawals on major centralized and decentralized crypto exchanges through one Tetrac dispatcher, plus the venue catalog and live venue latency.
C+5.9 finance solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp -
AgentPulse Economy Report● healthy
Structured JSON report on AI agent economy activity: on-chain USDC flows, transaction volume, new agent launches, trending agent services, and smart-money signals. Pay once per report. No API key required.
C+5.9 finance solana -
Market Intelligence API● down
Market intelligence for AI agents across crypto, US and European stocks, rates, FX and macro: on-chain order flow, a one-call trading decision, opportunity scans, perps, smart money, SEC and ESEF filings, European short interest and policy news.
D4.0 finance base $0.0100 USDC / call -
Orion Memecoin Safety API● down
Repeat-purchase pre-buy, pre-sign, transaction-safety, and do-not-execute risk gate for autonomous memecoin agents. Checks Base honeypot and sell-tax risk plus Solana mint/freeze authority risk before an agent swaps, approves, signs, or broadcasts.
D1.2 finance base -
DESK LEAD x402● down
Micropay research: /brief /pons/filter /v1/memecoin-score /v1/pm-digest via HTTP 402 USDC to 0x2e882B5f4D97C2acCEb7D68C97582E8c8Dae6f22
D3.1 finance basebsc $0.0100–$150.0000 USDC -
120+ pay-per-call endpoints: RWA aggregates/assets/risk/valuation/intelligence, DeFi TVL/yields/analytics, crypto (price/trending/squeeze scanners/funding rates/mempool), Binance ticker, Hyperliquid, DexScreener, GeckoTerminal, SEC filings, FDA/OSHA/EPA/FEC/SAM/NIH data, federal contracts, lobbying disclosures, clinical trials, compliance audits, web search/fetch, developer utilities (JSON/CSV/YAML/base64/hex/hash/HMAC/JWT), domain enrichment, IP info, TLS cert, WHOIS, weather alerts, wallet analysis, rugpull/honeypot detection. USDC on Base via x402.
D2.0 finance base $0.0010 USDC / call -
OwlChart Coin Brief Pack● down
Everything on one coin in a single paid call: liquidity magnets, order book walls, funding and open interest across 13 exchanges, 24h liquidations, Owl Score and latest headlines.
E1.0 finance base $0.0300 USDC / call -
Autonomo Radar Fiscal API● down
Spanish freelancer tax-deadline and reserve calculator API on Base. Two pay-per-call endpoints: next VAT/income-tax filing deadline plus recommended monthly reserve (POST /v1/fiscal/reserva-trimestral), and estimated late-filing surcharge under Spanish tax law (POST /v1/fiscal/riesgo-recargo). Free endpoints: /health, /v1/fiscal/calendario, /.well-known/x402. No API keys.
D1.9 finance base $0.0200 USDC / call -
Hermes Crypto Data API● down
Real-time crypto market data API with 7 pay-per-call endpoints: price, top gainers, trending, Solana data, watchlist, history, market stats. x402 native — payment IS authentication, no API keys needed. USDC on Base.
E0.3 finance base -
Pay-per-call financial intelligence for AI agents. Market regime detection (bull/bear/sideways), portfolio risk scoring, strategy backtesting. x402-native on Base, USDC micro-payments, no API keys required.
E0.3 finance