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?
x402.jmthomasofficial.com
Company intelligence lookup: resolve a US-listed company ticker through the SEC EDGAR company ticker dataset. Returns CIK, ticker, and registrant name for company research, SEC filing discovery, and equity due diligence.
preppers-paradise.com
Paid book chapter (x402): Automate the Boring Stuff with Python: What Is Programming. Unit of a larger practical-skills library; free catalog at /library/discovery.json. Book slug: automatetheboringstuffwithpythonnew. Response format: Markd…
x402.botsmith.dev
Pay-per-call web and on-chain intelligence for AI agents, no API keys. read (URL to markdown), dossier (domain intelligence: DNS/SPF/DMARC/RDAP/TLS), onchain (EVM address due-diligence on Base/Ethereum/Optimism). USDC on Base via x402 v2, B…
api.linkedpanda.com
Read-only x402 API over LinkedIn data: profile and company enrichment, verified work email lookup, post reactions, job posting and ad search. Paid per single request in USDC on Base.
reddit.apitoll.cloud
Reddit data API paid per call over x402. Four endpoints at /tmp/claude-1000/-home-mkkksm/3f6c399f-4272-45e5-813e-469c1162ffb0/scratchpad/apply-approves.sh.03 each: subreddit feeds, keyword search sitewide or scoped to a subreddit, comment t…
api.n0brains.com
Real-time crypto liquidation map and heatmap for BTC, ETH and major coins: estimated long/short liquidation zones with price levels and notional size, open interest per venue, and nearest/densest liquidation clusters. For liquidation huntin…
api.hyperextend.xyz
Forced-liquidation tape over a time window, reconstructed from the node-fills archive (Hyperliquid has no public liquidations feed). Each row is a trade row (coin, side, px, sz, time, hash, tid, users:[buyer, seller]) plus the liquidation m…
mcp.deep3.ai
Short-term price-movement forecast for any crypto token across 7 time horizons.
entityresolver.xyz
Name in, official IDs out. Give it a company or crypto name or ticker ("Apple", "ETH", "Stripe") and get the verified IDs that identify it everywhere: SEC CIK + ticker, GLEIF LEI, Wikidata QID, CoinGecko slug. Every ID is pulled live from t…
tools.ipintel.ai
Pay-per-call x402 API package on Base: satellite observation from coordinates using Sentinel/Copernicus imagery, plus DNS, WHOIS, reverse DNS, domain health and availability, IP lookup, email validation and HTTP latency checks. Prices from …
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…
schemasure.com
Extract strict, JSON-Schema-valid typed JSON from a PNG, JPEG, or WebP document image. Failed extraction calls are not settled. Always-paid x402 V2 image API.
x402.fuchss.app
Deterministic trust scoring and monitoring for the x402 ecosystem. 88k+ endpoints tracked 24/7 on Base + Solana: probe reliability, latency, spec compliance, price history, and real on-chain USDC settlement per endpoint. Paid API: per-endpo…
proxy.aproxpay.com
Residential proxy fetch (up to 2MB). Returns HTTP 200 with the target body; read X-Target-Status for the origin status. Billed for the forwarded request, not for a 2xx origin response. For larger responses use /v1/proxy/large; at >17 reques…
x402.dailyelo.com
One-call pre-transaction guard for agents: bundle the transaction you're about to sign/send and get every applicable safety check in a single payment — signature-intent decode, live threat-DB + address-poisoning look-alike on the recipient,…
headers.use.x402atlas.com
One HEAD request against a URL, returning its parsed HTTP security headers as JSON: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, plus advisory warnings and any disclosed Server or X-Powered-By. $0…
x402.api.browser-use.com
Browser Use: AI browser automation agents in the cloud. POST a natural-language task and an agent navigates websites, fills forms, clicks buttons, extracts structured data, and completes multi-step workflows just like a human. Stealth-enabl…
www.x402scan.com
Paid x402 API from x402scan returning its ecosystem datasets: merchants, resources, buyers, facilitators and origin registry, priced per call in USDC on Base.
websearch.use.x402atlas.com
Pay-per-call web search API for AI agents. Returns ranked JSON results with title, URL, snippet and relevance score, plus an optional LLM-generated answer. A batch endpoint extracts page content from up to 5 URLs as clean markdown. Date, do…
conc-exe.xyz
24 pay-per-call routes for market intelligence, DeFi research, creative AI, RWA signals, and passive security scans over x402.
lionx402.com
AML wallet + company counterparty checks for AI agents. $0.001 wallet-screen (PASS/WARN/BLOCK OFAC check), $0.05 compliance bundle (OFAC + domain trust + firmographics), $0.012 deep research, $0.95 verified company file. Ed25519-attested JS…
rpc.nodeflare.app
Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexin…
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.
api.aidress.ai
Look up a Twitter/X user profile by their screen name. Returns full profile data including id, name, username, bio, follower count, following count, tweet count, verification status, and profile image URL. Query param: username (string, req…
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…
agent402.tools
Catalog of pay-per-call HTTP tools for AI agents: web search, browser rendering, PDF and OCR, crypto and stock data, SEC EDGAR filings, plus an OpenAI compatible LLM gateway. Paid in USDC via x402 on Base and other chains, with some tools a…
api.x402dataapi.com
Paid x402 API for AI agents that returns domain intelligence, DNS lookup data, domain risk signals, security posture, WHOIS-like technical data, mail security, TLS, HTTP headers, fingerprinting and AI agent domain analysis for a public doma…
dns.use.x402atlas.com
Pay-per-call DNS and domain lookup API with six endpoints: A, TXT and MX records, WHOIS text, parsed RDAP registration data and DNSSEC status, all returned as structured JSON. Flat $0.005 per call, payable on Base or Solana.
email-auth.use.x402atlas.com
Checks a domain's SPF, DMARC, DKIM and MX records and returns the parsed results as JSON, flagging common gaps such as SPF +all, more than 10 SPF DNS lookups, DMARC p=none and missing DKIM selectors.
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.
x402.creative-tim.com
Returns the source code of Creative Tim shadcn/ui blocks after a payment in USDC on Base, either as JSON via API or as an HTML page. Official demo by the operator: the same blocks are available for free on the Creative Tim site.
quartermaster.surewhynot.app
Current Base gas prices and a simple-transfer cost estimate for transaction planning.
x402-data-api.onrender.com
Enriched crypto market report for one asset: rank, multi-timeframe price changes (1h/24h/7d/30d), all-time-high context, plain-English momentum/volatility/liquidity signals, and a ready-to-use written summary. For agents needing market cont…
mcp.yield.xyz
Get live DeFi yield balances and pending actions for any wallet — active staking, lending, vault, and RWA positions with accrued rewards, USD values, current APY, and claimable actions. Covers 3,300+ yields (Lido, Aave, Morpho, tokenized tr…
tenjin.blog
Pay-per-read pieces by independent publishers. Pay the x402 challenge to receive the full text JSON; the 402 body carries a free preview. Browse every piece: https://tenjin.blog/.well-known/x402
evm-gas.apitoll.cloud
Returns current EVM gas fee tiers (slow, standard, fast) as EIP-1559 maxFeePerGas and maxPriorityFeePerGas in wei, plus base fee, head block and block fullness, for 17 EVM chains selected with a chain query parameter.