Payments & crypto tools for AI agents
Updated
| Score | Tool | Type | Host |
|---|---|---|---|
| 100 | ax1.vc resource Send a Base token contract address, get an AI-written verdict: onchain metrics, a plain-language take, and a s | x402 · $0.02 | www.ax1.vc |
| 100 | api-xpay.com ping Health check ping | x402 · $0.005 | www.api-xpay.com |
| 100 | api-xpay.com payment Payment receipt with transaction details | x402 · $0.005 | www.api-xpay.com |
| 100 | api-xpay.com time Current server time in UTC | x402 · $0.005 | www.api-xpay.com |
| 100 | crypto.apitoll.cloud price Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): curr | x402 · $0.001 | crypto.apitoll.cloud |
| 100 | agi.apify.com prepaid-tokens Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and au | x402 · $1 | agi.apify.com |
| 100 | api.onesource.io erc20-balance ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneS | x402 · $0.003 | api.onesource.io |
| 100 | laso.finance auth Get a Firebase ID token for authenticating with the callable APIs | x402 · $0.001 | laso.finance |
| 100 | cheaptokens.ai buy OpenAI-compatible LLM inference and chat completions via discounted Venice API credits. Pay USDC to receive a | x402 · $1 | cheaptokens.ai |
| 100 | api.onesource.io live-balance Live wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch | x402 · $0.003 | api.onesource.io |
| 100 | api.402rates.com ping Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/p | x402 · $0.001 | api.402rates.com |
| 100 | keyring-agent.blockchhub.link send-native Pay the send-native execution fee (native coin transfer) | x402 · $0.05 | keyring-agent.blockchhub.link |
| 100 | vibesprings.net btc-usd Real-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase | x402 · $0.002 | vibesprings.net |
| 100 | quartermaster.surewhynot.app gas Current Base gas prices and a simple-transfer cost estimate for transaction planning. | x402 · $0.001 | quartermaster.surewhynot.app |
| 100 | api.oblique.markets time Use when an agent needs a trusted UTC timestamp or the smallest end-to-end test of its x402 payment client. Re | x402 · $0.01 | api.oblique.markets |
| 100 | wallets-demo-seller-server.calebgcarithers.workers.dev weather Real-time current weather conditions for a city or location, including temperature, humidity, precipitation, w | x402 · $0.001 | wallets-demo-seller-server.calebgcarithers.workers.dev |
| 100 | api.chit402.com completions Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury des | x402 · $0.002 | api.chit402.com |
| 100 | vibesprings.net base-gas Base network real-time gas price oracle. Returns block base fee, current gas price in GWEI, and network block | x402 · $0.001 | vibesprings.net |
| 100 | randomfactsx402.vercel.app random-fact Returns a single random fact as JSON in exchange for a micropayment. | x402 · $0.01 | randomfactsx402.vercel.app |
| 100 | api.bitrefill.com detail Get a product's packages, pricing, and recipient requirements before creating an invoice. | x402 · $0.001 | api.bitrefill.com |
| 100 | horrorstoryapi.vercel.app horror-story Access the exclusive horror story collection (pay-per-read). | x402 · $0.01 | horrorstoryapi.vercel.app |
| 100 | api.nansen.ai who-bought-sold Get "Token God Mode" (TGM) who bought/sold data | x402 · $0.01 | api.nansen.ai |
| 100 | cultos.dev crypto-feed Crypto Signal Feed | x402 · $0.003 | www.cultos.dev |
| 100 | rpc.nodeflare.app x402 Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no ac | x402 · $0.001 | rpc.nodeflare.app |
| 100 | agentpay.tools call Pre-trade risk check for AI agents trading crypto: live orderbook slippage at YOUR size, side-aware funding ca | x402 · $0.01 | agentpay.tools |
| 100 | x402.aispace.bot generate Text-to-image generation on Venice models (Flux, SD3.5, GPT-Image, HunyuanImage, and more), paid per request i | x402 · $0.015 | x402.aispace.bot |
| 100 | gas.apitoll.cloud gas Base gas oracle / gas price API for AI agents and bots — get the gas price for a transaction on Base in one x4 | x402 · $0.001 | gas.apitoll.cloud |
| 100 | keyring-agent.blockchhub.link send-token Pay the send-token execution fee (ERC-20 transfer) | x402 · $0.05 | keyring-agent.blockchhub.link |
| 100 | api.nansen.ai related-wallets Get Address Related Wallets Data | x402 · $0.01 | api.nansen.ai |
| 100 | kronossignals.com funding-extremes Crypto funding-rate extremes screener: scans all 17 perpetual futures markets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AV | x402 · $0.02 | kronossignals.com |
| 100 | x402uselessfacts.vercel.app useless-fact Pay a tiny amount of USDC and receive one delightfully useless fact. | x402 · $0.001 | x402uselessfacts.vercel.app |
| 100 | ladyfortunalx402.vercel.app fortune Get a random fortune via x402 payment on Base mainnet. | x402 · $0.01 | ladyfortunalx402.vercel.app |
| 100 | api.loyalspark.online rewards Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va | x402 · $0.001 | api.loyalspark.online |
| 100 | api.loyalspark.online reward-status Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va | x402 · $0.001 | api.loyalspark.online |
| 100 | x402.sniperx.fun smarttraders_smartmoney Get SmartMoney trading activities on token (sorted by time descending) | x402 · $0.02 | x402.sniperx.fun |
| 100 | coinflip402.vercel.app coinflip Flip a coin for a small USDC payment on Base mainnet. Returns heads or tails. | x402 · $0.001 | coinflip402.vercel.app |
| 100 | 767-2676.com receipt Signed time-bounded witness of an agent-carried payload digest; the payload stays with the agent | x402 · $0.001 | 767-2676.com |
| 100 | kronossignals.com macro TradFi macro context for crypto traders and agents: VIX (fear gauge), DXY (US Dollar Index), US 10-Year yield, | x402 · $0.02 | kronossignals.com |
| 100 | chat.gedx402.com completions Multi-model chat completions. POST messages[] and set model to any LLM id from GET /v1/models; dynamic USDC pr | x402 · $0.005 | chat.gedx402.com |
| 100 | api.loyalspark.online balance Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real va | x402 · $0.001 | api.loyalspark.online |
| 100 | api.printmoneylab.com kr-prices Korean exchange prices (Upbit, Bithumb) for a single token in KRW | x402 · $0.002 | api.printmoneylab.com |
| 100 | search.cyberwarex.com news Ranked news brief for any topic, refreshed every 15 minutes: the most-corroborated recent headlines, each with | x402 · $0.001 | search.cyberwarex.com |
| 100 | lionx402.com wallet-screen-json Cheapest OFAC SDN wallet screen for AI agents ($0.001). AML/KYT pre-pay gate: PASS/WARN/BLOCK before you settl | x402 · $0.001 | lionx402.com |
| 100 | roastx402endpoint.vercel.app roast Pay for a lighthearted developer roast generated on-demand. | x402 · $0.0017 | roastx402endpoint.vercel.app |
| 100 | dripstack.com stock-picks Paid JSON for stock-picker calls (API V2). Bearer API key / JWT / OAuth subscribers (PRO/EXPERT) are served wi | x402 · $3 | dripstack.com |
| 100 | crypto.apitoll.cloud sentiment The Crypto Fear & Greed index: the current market-sentiment score (0–100) and its classification (Extreme Fear | x402 · $0.001 | crypto.apitoll.cloud |
| 100 | memegeneratorx402.vercel.app generate-meme Generate a captioned meme image. Pay per request in USDC on Base mainnet. | x402 · $0.001 | memegeneratorx402.vercel.app |
| 100 | x402.problocks.io ping Verify payment connectivity with USDC on Base. Returns a JSON pong and UTC timestamp after settlement. | x402 · $0.001 | x402.problocks.io |
| 100 | kronossignals.com fear-greed Crypto Fear & Greed Index: alternative.me score (0-100) plus Kronos-owned context (BTC funding sentiment, OI 1 | x402 · $0.03 | kronossignals.com |
| 100 | agents.samedaydesk.com extract Extract a public HTTP(S) page into JSON: title, description, JSON-LD, Open Graph, headings, links, and AI-read | x402 · $0.005 | agents.samedaydesk.com |
| 100 | news.apitoll.cloud news Latest crypto news and breaking headlines, real-time from Cointelegraph. Search any topic (bitcoin, ethereum, | x402 · $0.001 | news.apitoll.cloud |
| 100 | x402.aispace.bot queue Async text-to-video and image-to-video generation on Venice (WAN 3.0, Seedance 2.5, HappyHorse, and more), pai | x402 · $0.65 | x402.aispace.bot |
| 100 | theartillerist.com x402-trial Verify that an agent wallet can complete an x402 v2 payment using USDC on Base mainnet before purchasing produ | x402 · $0.001 | theartillerist.com |
| 100 | x402wordoftheday.vercel.app word-of-the-day Get today's curated Word of the Day (definition + part of speech). | x402 · $0.0015 | x402wordoftheday.vercel.app |
| 100 | api.geoprimitives.dev depth Give it a latitude and longitude and it answers with what the nautical chart says about the water there: the d | x402 · $0.005 | api.geoprimitives.dev |
| 100 | 402timezones.vercel.app convert-timezone Convert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base. | x402 · $0.001 | 402timezones.vercel.app |
| 100 | agentpay.tools call Buyer-side trust oracle for the x402 marketplace: 'I need X, budget $Y — which tool is real?' Sweeps the WHOLE | x402 · $0.01 | agentpay.tools |
| 100 | x402.klimalabs.com catalog Entry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of | x402 · $0.001 | x402.klimalabs.com |
| 100 | toolcall.click rates Foreign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. U | x402 · $0.002 | toolcall.click |
| 100 | cdp-agent-0-01.onrender.com undefined AgentWire service card for webhook inbox relay and web fetch infrastructure. | x402 · $0.001 | cdp-agent-0-01.onrender.com |
| 100 | router.mudko.com route OnRamperX is a non-custodial value router for agents and humans: fiat<->crypto and cross-chain via one quote i | x402 · $0.005 | router.mudko.com |
| 100 | audit.liquidlogicx.com allowance x402 spend cap and allowance check by Liquid Logic X: call it before paying an x402 endpoint. Input: wallet (t | x402 · $0.001 | audit.liquidlogicx.com |
| 100 | x402.aispace.bot queue Async music/audio-track generation on Venice (Stable Audio, ElevenLabs Music, MiniMax, Lyria, ACE-Step), paid | x402 · $0.095 | x402.aispace.bot |
| 100 | onchainpulse.theaslangroupllc.com honeypot Honeypot check, half a cent: can this token actually be sold? Simulated buy+sell verdict, buy/sell/transfer ta | x402 · $0.005 | onchainpulse.theaslangroupllc.com |
| 100 | riddlex402.vercel.app riddle Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer. | x402 · $0.002 | riddlex402.vercel.app |
| 100 | stabletravel.dev search Search Google Flights for flight offers. Returns best flights, other flights, price insights, and airport info | x402 · $0.02 | stabletravel.dev |
| 100 | jokes-endpoint.vercel.app jokes Get a random interesting joke. Secured with x402 payment protocol on Base mainnet. | x402 · $0.002 | jokes-endpoint.vercel.app |
| 100 | signals.nsgoods.org signals Live market-state data for one crypto pair: BUY/SELL/HOLD state + confidence from a multi-timeframe engine. Ma | x402 · $0.01 | signals.nsgoods.org |
| 100 | preppers-paradise.com 02-what-is-programming.md Paid book chapter (x402): Automate the Boring Stuff with Python: What Is Programming. Unit of a larger practic | x402 · $0.01 | preppers-paradise.com |
| 100 | api.stocktrends.com latest Latest weekly price row for a Stock Trends symbol, including adjusted close, weekly high/low, volume (actual s | x402 · $0.0025 | api.stocktrends.com |
| 100 | toolsmith-api.dassad10.workers.dev search Keyless web search for agents: pass a query, get a concise web-grounded answer plus the top source results (ti | x402 · $0.008 | toolsmith-api.dassad10.workers.dev |
| 100 | tick.hugen.tokyo latest Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. 62-88% | x402 · $0.005 | tick.hugen.tokyo |
| 100 | api.insumermodel.com attest Signed attestation (ECDSA plus a post-quantum ML-DSA-65 companion) of on-chain wallet conditions across 37 cha | x402 · $0.05 | api.insumermodel.com |
| 100 | x402.api.browser-use.com sessions Browser Use: AI browser automation agents in the cloud. POST a natural-language task and an agent navigates we | x402 · $1 | x402.api.browser-use.com |
| 100 | multichain-rpc.clankerceo.workers.dev balance Native coin and ERC-20 token balance for any wallet address on Base, Polygon, Arbitrum, Optimism or Ethereum. | x402 · $0.002 | multichain-rpc.clankerceo.workers.dev |
| 100 | onchainpulse.theaslangroupllc.com memecoin Honeypot, rug & token-safety scanner for Solana memecoins — instant pre-trade check of mint/freeze authority, | x402 · $0.015 | onchainpulse.theaslangroupllc.com |
| 100 | keyronne.com hash Compute cryptographic digests and HMACs deterministically: MD5, SHA-1, SHA-256, SHA-384, SHA-512, output as he | x402 · $0.001 | keyronne.com |
| 100 | evm-gas.apitoll.cloud gas Multi-chain EVM gas price oracle for AI agents — 17 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, | x402 · $0.001 | evm-gas.apitoll.cloud |
| 100 | x402.spendthebits.com proof Official $0.01 proof-of-life resource for SpendTheBits x402: returns a JSON heartbeat. Pay it to verify your a | x402 · $0.01 | x402.spendthebits.com |
| 100 | app.ravn.exchange quote RAVN — best-price swap quotes across 20 execution venues and 17 chains, including native (non-wrapped) Bitcoin | x402 · $0.001 | app.ravn.exchange |
| 100 | txguard.schemasure.com preflight Explain and preflight an unsigned Base transaction, EIP-712 typed data, or an EIP-3009 x402 payment authorizat | x402 · $0.02 | txguard.schemasure.com |
| 100 | x402-mcp.onrender.com tx-decision Should I submit this Base transaction now, and at what fee? One call returns submit-or-wait, max fee per gas a | x402 · $0.01 | x402-mcp.onrender.com |
| 100 | api.anchor-x402.com roll Verifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. | x402 · $0.001 | api.anchor-x402.com |
| 100 | squeezeos-api.onrender.com credits Web scraping and extraction credit pack for AI agents: 10 accepted public-URL clean-text reads at a micro-pric | x402 · $0.005 | squeezeos-api.onrender.com |
| 100 | vibesprings.net eth-usd Real-time ETH/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase | x402 · $0.002 | vibesprings.net |
| 100 | x402.twit.sh user Get the latest tweets (timeline) from a specific Twitter/X user by their username. Returns up to 20 tweets per | x402 · $0.01 | x402.twit.sh |
| 100 | rpc.nodeflare.app x402 Arbitrum One RPC (chain 42161): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in US | x402 · $0.001 | rpc.nodeflare.app |
| 100 | api.ozdreamtools.de assess Audits a website for AI agent and AI crawler readiness from caller-supplied inputs: robots.txt, HTML, headers, | x402 · $0.01 | api.ozdreamtools.de |
| 100 | macropulse.theaslangroupllc.com is-open Is the stock market open right now? Deterministic market-status and trading-hours for the major global exchang | x402 · $0.005 | macropulse.theaslangroupllc.com |
| 100 | mcp.yield.xyz yields_get_all Discover DeFi yield opportunities across 80+ networks — 3,300+ staking, lending, vault, and RWA yields from Li | x402 · $0.001 | mcp.yield.xyz |
| 100 | trust-agent.io quick Sanctions screening for a crypto wallet before you pay it: checks the address, and an agent's owner and payout | x402 · $0.002 | trust-agent.io |
| 100 | payload402.edgebytenet.workers.dev check npm license triage for coding agents — call immediately before npm install, yarn add, or pnpm add. Returns npm | x402 · $0.001 | payload402.edgebytenet.workers.dev |
| 100 | penny402.fun tarot One card per paying wallet per UTC day from a standard 78-card deck, upright or reversed, with the keywords fo | x402 · $0.0025 | penny402.fun |
| 100 | energy.halowerk.com paid-sample Cheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full Ne | x402 · $0.001 | energy.halowerk.com |
| 100 | api.stelardigital.com sentiment Sentiment score (-1 bearish to +1 bullish) and label for arbitrary text, or for a crypto asset based on its re | x402 · $0.005 | api.stelardigital.com |
| 100 | 402oracle.com price Crypto price check: the current spot price of Bitcoin (BTC), Ethereum (ETH), Solana (SOL) or any token ticker | x402 · $0.02 | 402oracle.com |
| 100 | mysticapi.com today Live universal sky snapshot, no inputs: geocentric ecliptic longitudes for 13 bodies (Sun through Pluto, Chiro | x402 · $0.01 | mysticapi.com |
| 100 | lion-x402-bible.lionmaster-operations.workers.dev wallet-screen-json Is this crypto wallet sanctioned? Instant OFAC SDN address screen for AI agents. Returns PASS/WARN/BLOCK. $0.0 | x402 · $0.001 | lion-x402-bible.lionmaster-operations.workers.dev |
| 100 | intel.twzrd.xyz :solana_address Seller wash risk and wallet reputation for a Solana x402 merchant: wash label, fleet %, payer count, plus tier | x402 · $0.001 | intel.twzrd.xyz |
| 100 | api.loopholetape.com since New Solana tokens as they launch on pump.fun: a cursor feed of new memecoin launches with rug probability and | x402 · $0.001 | api.loopholetape.com |
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