Search services
200 results
StableEnrich
api✓ verifiedExa Search - Neural search across the web
StableTravel
api✓ verifiedSearch cached Seats.aero award availability by origin, destination, dates, cabin, carriers, and pagination.
Exa
api✓ verifiedExa /search endpoint
BlockRun.AI
api✓ verifiedNeural and keyword web search. Optional category filter: company, research paper, news, pdf, github, tweet, personal site, linkedin profile, financial report.
StableEnrich
api✓ verifiedExa Contents - Retrieve content from URLs
StableEnrich
api✓ verifiedPDL Person Enrich — career history, emails, phone. Requires one of: `email`, `profile` (LinkedIn URL), or `first_name` + `last_name` + (`company_name` OR `company_domain`). `{ first_name, last_name }` alone returns 400. Prefer `email` when known, then `profile`. No match: HTTP 200, status 404, data null — not billed. Match: $0.28.
StableEnrich
api✓ verifiedFirecrawl Search - Search the web
Otto AI
api✓ verifiedSearch X/Twitter for any query and get the actual matching tweets — keyword, $CASHTAG, from:handle (a user timeline), @handle (mentions), or boolean OR. Each tweet returns author, full text (long-form note tweets included), timestamp, likes and retweets (reply/quote counts when available). Most-recent-first for real-time monitoring and alerting. Live X search backend, pay-per-call USDC, structured JSON — no API keys, no sign-up.
Kronos Crypto Data & Forecasts
api✓ verifiedForward liquidation cluster map + recent prints for all 16 crypto assets. Part A: estimated liq price levels for 5x/10x/25x/50x leverage bands, modeled from open interest and mark price — no new upstream source. Part B: real liquidation prints from OKX public API (no auth). Returns cluster map, nearest_long/short clusters, squeeze_bias, and honest disclaimers. Supports BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT-USD. Pay-per-call via x402.
Google Trends SEO Keyword Data
api✓ verifiedGoogle Trends interest over time for a keyword — worldwide search popularity as a monthly series for keyword research, SEO & demand trend analysis.
StableEnrich
api✓ verifiedFullEnrich People Search — filter by company domain/name/LinkedIn URL, seniority, title, location, skills, and 20+ FullEnrich filters. Default lean roster: companies map + company_id refs; include_employment_history or verbose for full history. $0.15 when results found; free when no matches.
Otto AI
api✓ verifiedReal-time crypto market news with sentiment analysis and top headlines ranked by importance.
BlockRun.AI
api✓ verifiedExtract full text content from specific URLs. Priced at $0.002/URL — total = urls.length × $0.002.
BlockRun.AI
api✓ verifiedGet an AI-generated answer to a question grounded in live web search results.
Google Trends SEO Keyword Data
api✓ verifiedGoogle Trends related search queries for a keyword by country — top & rising terms for SEO keyword research, query expansion and content ideas.
x402scan
api✓ verifiedPaginated list of merchants (top recipients by volume)
Exa
api✓ verifiedExa /contents endpoint
StableEnrich
api✓ verifiedClado Contacts Enrichment - Enrich contact info from LinkedIn URL, email, or phone
glim.sh
api✓ verifiedSearch Amazon by keyword or browse bestsellers by category slug
StableEnrich
api✓ verifiedReddit Search - Search Reddit posts
StableEnrich
api✓ verifiedWhitepages Person Search - Find people by name, phone, address
x402.tavily.com
api✓ verifiedTavily Search - advanced mode
StableUpload
api✓ verifiedBuy an upload slot. Agent uploads file via returned URL.
Meme Generator
api✓ verifiedGenerate a captioned meme image. Pay per request in USDC on Base mainnet.
Coin Flip
api✓ verifiedFlip a coin for a small USDC payment on Base mainnet. Returns heads or tails.
Riddle Oracle
api✓ verifiedPay a micro-fee in USDC on Base mainnet to receive a riddle and its answer.
Useless Fact
api✓ verifiedPay a tiny amount of USDC and receive one delightfully useless fact.
x402.twit.sh
api✓ verifiedSearch Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags, from, to, mentioning, minReplies, minLikes, minReposts, since (YYYY-MM-DD), until, next_token. e.g. GET /tweets/search?words=bitcoin&from=elonmusk&minLikes=100. Returns X v2 API-compatible JSON.
ApiToll Crypto Prices
api✓ verifiedLatest 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.
Vaaya
api✓ verifiedExa — semantic web search via our API key. numResults up to 100. For people/lead discovery set category:"people" with an open ICP query.
Random Fact
api✓ verifiedReturns a single random fact as JSON in exchange for a micropayment.
Life Advice
api✓ verifiedGet one piece of thoughtful life advice, paid per request over x402.
Dice Roller
api✓ verifiedRoll a dice with any number of faces. Specify faces via ?faces=N query parameter.
Word of the Day
api✓ verifiedGet today's curated Word of the Day (definition + part of speech).
Fortune Generator
api✓ verifiedGet a random fortune via x402 payment on Base mainnet.
Roast Generator
api✓ verifiedPay for a lighthearted developer roast generated on-demand.
Horror Story API
api✓ verifiedAccess the exclusive horror story collection (pay-per-read).
Timezone Converter
api✓ verifiedConvert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base.
Otto AI
api✓ verifiedDeFi yield farming markets with live APYs across Aave V3 and Morpho on Base, Ethereum, and other major chains. Find the best stablecoin yield (USDC) and ETH yield for idle capital: returns supply APY, TVL, and vault/market addresses per token, filterable by protocol, chain, or token symbol. Compare DeFi yield rates across lending markets and vaults before depositing.
Vibe Springs
api✓ verifiedReal-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.
Otto AI
api✓ verifiedPremium alpha from top 50 crypto KOLs. Real trading signals, trending token picks, and sentiment from influencers who move markets.
Arkham x402
api✓ verifiedGet Arkham intelligence for an address. $0.20 per call.
LoneStarOracle OptionsFlow
api✓ verifiedOptions flow intelligence — unusual activity put/call ratios large block trades
ReadX
api✓ verifiedAccounts a user follows (~200 per page; paginate with cursor until has_more is false). Example: GET /api/jack/following
Apify
api✓ verifiedApify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Use these tools, called Actors, to extract structured data from social media, e-commerce sites, search engines, maps, travel sites, or any other website. Turn the open web into a real-time data source for your research, lead generation, and monitoring.
Otto AI
api✓ verifiedHyperliquid perpetuals market data: live mark/oracle price, funding rate, open interest, max leverage, and size specs for any tradable asset.
Otto AI
api✓ verifiedToken price, market cap, volume, supply, and basic metrics. Works for any listed token.
CheapTokens AI Inference
api✓ verifiedOpenAI-compatible LLM inference and chat completions via discounted Venice API credits. Pay USDC to receive a live Venice.ai API key for /api/v1 models, chat, images, audio, video, and embeddings. Same-Day credits are 30–90% below Venice direct and expire at 23:59 UTC; Prepaid API Keys support recurring agent jobs.
Random Joke API
api✓ verifiedGet a random interesting joke. Secured with x402 payment protocol on Base mainnet.
Kronos Crypto Data & Forecasts
api✓ verifiedCrypto Fear & Greed Index: alternative.me score (0-100) plus Kronos-owned context (BTC funding sentiment, OI 1h trend, 24h price momentum). Not a pure proxy — adds proprietary derivative signals. Pay-per-call via x402.
GEDX402 Chat
api✓ verifiedMulti-model chat completions. POST messages[] and set model to any LLM id from GET /v1/models; dynamic USDC pricing scales with model and token usage. Hero: GET /heroes/chat-completions.
BlockRun.AI
api✓ verifiedQuery Polymarket markets with filtering, sorting, and pagination
Vaaya
api✓ verifiedFirecrawl — Scrape a single URL and return clean markdown/HTML.
StableEnrich
api✓ verifiedFullEnrich Company Search — filter by domain, name, LinkedIn URL/ID, industry, type, HQ, headcount, founding year, keywords, specialties, and company IDs. Requires at least one filter; offset alone → 400. Paginate via search_after. Returns up to 10 results. $0.15 if results; free if empty. Legal names not brands (Anysphere≠Cursor).
Otto AI
api✓ verifiedCross-venue funding-rate arbitrage + crowded-positioning radar: live perp funding rates, open interest, global & top-trader long/short ratios, whale positions, and liquidations across Binance, OKX, Bybit, Hyperliquid, and more. Omit symbol for the whole-market overview; pass one (e.g. BTC) for the per-exchange breakdown. (Hyperliquid-only perp data: use hyperliquid-market.)
ApiToll SEC Filings
api✓ verifiedLatest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports, and 8-K material events. Resolves ticker to CIK via SEC's official index and returns the parsed filing (company, form type, dated items). Sourced live from data.sec.gov.
ReadX
api✓ verifiedSearch for tweets by query (optional product filter; paginate with cursor). Example: GET /api/search/tweets?q=typescript
Email Auth SPF/DMARC/DKIM Check
api✓ verifiedEmail authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF +all, SPF >10 lookups, DMARC p=none, missing DKIM). Clean JSON for deliverability and security-ops automation.
DNS & WHOIS Domain Lookup
api✓ verifiedWHOIS domain lookup — raw registry text with registrar, nameservers, lifecycle dates and status, plus the responding server. Use the RDAP endpoint when you need parsed structured data.
GridPulse
api✓ verifiedLive grid carbon intensity, deterministic. Answers "how clean is the grid right now", "gCO2 per kWh in Germany", "cleanest hour to run a job today". Current intensity + forward curve (to 48h) + cleanest and dirtiest slots, from NESO (GB national + 14 DNO regions) and energy-charts/Fraunhofer ISE (DE FR NL BE AT ES IT NO). No LLM, no key. Pair with /api/energy/compute-window for full job scheduling.
Otto AI
api✓ verifiedTradFi macro intelligence: indices, VIX, DXY, treasury yields, commodities, and individual stock quotes with moving average context.
Kronos Crypto Data & Forecasts
api✓ verifiedMulti-source volume-weighted median (VWM) spot price for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT). Aggregates Binance, Coinbase, Kraken, and OKX in parallel (2 s timeout per source). Includes 1% outlier rejection, cross-exchange spread %, confidence grading (high/medium/low), and per-source USD volume weights. Kaiko-style reference pricing — $0.02/call.
Otto AI
api✓ verifiedBase social intelligence: a current Base sentiment summary + the quality-screened Base tokens (CoinGecko-listed, market-cap/age/liquidity gated) that trusted KOLs are actually talking about — with per-token KOL mention counts and verbatim quotes, ranked by KOL signal. Includes overall crypto-KOL market sentiment. The social-intelligence wedge for Base — who is saying it, not who pumped. Refreshed hourly.
Linked Panda
api✓ verifiedVerified work-email lookup for a LinkedIn profile
Weight Converter API
api✓ verifiedConvert a weight/mass value between units (kg, g, lb, oz, stone, tonne, and more).
Vibe Springs
api✓ verifiedBase network real-time gas price oracle. Returns block base fee, current gas price in GWEI, and network block details.
StableUpload
api✓ verifiedBuy a site upload slot. Upload a zip file, then activate to extract and serve as a static site.
Otto AI
api✓ verifiedWhere DeFi capital is flowing — TVL rankings, fastest-growing vs bleeding protocols, chain-by-chain breakdown, and per-protocol deep dives. Track capital rotation and protocol health. Powered by DefiLlama.
Otto AI
api✓ verifiedLive weather for any city or lat/lon worldwide. Returns current conditions — temperature, feels-like, humidity, wind and sky — plus a 5-day forecast with daily highs/lows and precipitation probability. City names auto-geocode (no coordinates needed). Refreshed hourly with transparent freshness metadata. Keyless, pay-per-call, agent-ready JSON.
Otto AI
api✓ verifiedQuick pulse check from crypto Twitter. Breaking news, trending narratives, and sentiment shifts at a glance.
glim.sh
api✓ verifiedSearch tweets with advanced operators (recommended). Body param is `query` (not q), e.g. {"query":"from:elonmusk AI min_faves:100"}
ApiToll Crypto Market Overview
api✓ verifiedA snapshot of the total crypto market: aggregate market capitalization in USD, 24-hour trading volume, Bitcoin and Ethereum dominance percentages, 24h market-cap change, and the number of active cryptocurrencies and markets. The macro view in one call. Sourced from CoinGecko.
Agent402.tools
api✓ verifiedCryptographically secure randomness. ?bytes=1..1024 returns hex; or ?min=&max= returns a uniform integer; ?count=1..100.
Ozmium Agent API
api✓ verifiedEvery listed Morpho Blue market on Base: marketId, full MarketParams (loanToken, collateralToken, oracle, irm, lltv- the id is re-derived and asserted, wrong-market proof), live borrow APY, and LLTV. The input universe for /v1/tx/loan. GET /v1/loan/markets.
Drip
api✓ verifiedPaid JSON for one Substack-backed newsletter, blog, or podcast post: synthesized summary (`synthesizedSummary`), metadata, and identifiers for financial analysis. Path params are `publicationSlug` and `postSlug`. Returns 503 until summary exists. USDC `exact` x402 on Base or Solana; USD amount is per-post when set on the post, otherwise the server default.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
Laso Finance
api✓ verifiedGet a prepaid card for use inside the United States
Laso Finance
api✓ verifiedGet a Firebase ID token for authenticating with the callable APIs
ApiToll Base Gas Oracle
api✓ verifiedBase gas oracle / gas price API for AI agents and bots — get the gas price for a transaction on Base in one x402 call. Real-time slow/standard/fast EIP-1559 fee tiers from a live eth_feeHistory call, returned as DROP-IN maxFeePerGas + maxPriorityFeePerGas in wei — plug straight into a viem/ethers transaction, no gwei conversion. Plus base fee, head block, and network fullness. Call it before every Base tx to set a fair fee or wait out congestion.
Otto AI
api✓ verifiedTop 3 hottest altcoins traders may want to ape into, based on news and Twitter analysis. DYOR.
Otto AI
api✓ verifiedLive + reference foreign-exchange (forex) rates, base USD. LIVE near-real-time mid quotes for the 12 most-traded currencies (EUR, GBP, JPY, CHF, CAD, AUD, NZD, CNY, HKD, SGD, SEK, KRW), refreshed every minute with an honest market-open/stale flag, PLUS the official ECB daily reference table for ~30 currencies. Derive any cross-rate or pair. For agents pricing cross-border ops, treasury, invoicing and FX conversion. Keyless, pay-per-call.
ApiToll Multi-Chain EVM Gas
api✓ verifiedMulti-chain EVM gas price oracle for AI agents — 17 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche…). One x402 call returns slow/standard/fast EIP-1559 tiers as DROP-IN maxFeePerGas + maxPriorityFeePerGas in wei (plug straight into a viem/ethers tx, no conversion, exact even on sub-gwei L2s), plus base fee, head block, and fullness, from a live eth_feeHistory call. Pass ?chain= to switch chains.
Vibe Springs
api✓ verifiedFiat currency converter and international pricing calculator. Perform instant conversions for any base amount between 30+ fiat currencies with official real-time ECB rates. Returns the exact converted sum, forward exchange rate, and the inverse exchange rate for clear cross-currency financial auditing.
AgentPay Pre-Trade Risk Check
api✓ verifiedPre-trade risk check for AI agents trading crypto: live orderbook slippage at YOUR size, side-aware funding carry, open-interest crowding, and optional contract security — composed into a single ok/caution/avoid verdict with per-factor reasons and raw data embedded. Answers 'is this trade sane?' before trading, not after. Replaces four API integrations plus the judgment layer.
Quartermaster Gas Prices
api✓ verifiedCurrent Base gas prices and a simple-transfer cost estimate for transaction planning.
x402.fuchss.app
api✓ verifiedTrust score (0-100, grade A-F) for any x402 endpoint -- listed in our catalog or not. Unlike uptime-only checkers, we return ECONOMIC PROOF: the REAL on-chain USDC settlement volume and distinct-payer count for the endpoint's payTo address -- is anyone actually paying it, or is it just live? Computed deterministically from continuous monitoring: 30d probe uptime, 402-envelope spec compliance, latency, observed age, on-chain settlement activity, and advertised-price stability. Includes a full component breakdown, machine-readable flags, and an honest observedDays (we report only the history we actually have, with dataCompleteSince marking our gap-free on-chain coverage). Uncataloged endpoints are live-probed on your first query and auto-adopted into the monitored catalog (first-contact score with low confidence -- history accumulates from there). Know before you pay.
Otto AI
api✓ verifiedCrypto prediction markets on Polymarket: the highest-volume open BTC, ETH and crypto markets with live odds (outcome probabilities), best bid/ask, spread, 24h + total volume, liquidity, price change and end date. "Bitcoin above X", price targets, ETF and protocol events — what the prediction market ACTUALLY prices in, as flat JSON refreshed every 5 minutes. Crypto odds, Bitcoin prediction market, ETH probability. $0.001 per call.
api.onesource.io
api✓ verifiedERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC
api.onesource.io
api✓ verifiedENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live Ethereum RPC
api.onesource.io
api✓ verifiedLatest Ethereum block height - current chain tip via eth_blockNumber
Bitrefill
api✓ verifiedSearch 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.
Kronos Crypto Data & Forecasts
api✓ verifiedReal-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC. Live track record at /api/stats: ~54% directional hit, ~70% in-range over 15k+ scored forecasts — measured on served predictions, not a backtest.
StableStudio
api✓ verifiedGet a client token for direct upload to Vercel Blob
Vibe Springs
api✓ verifiedReal-time ETH/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.
Otto AI
api✓ verifiedLive DEX token price in USD by ticker symbol or contract address across Base, Ethereum, Solana, Polygon, BSC, Arbitrum, Optimism and Avalanche (bare 0x defaults to Base, else network:address). Symbols resolve to the canonical top-market-cap asset — squat-proof. Flat JSON: price, 24h change, volume, market cap, FDV, liquidity — echoes the matched deployment. Token price, crypto price, DEX price. $0.001 per call.
BlockRun.AI
api✓ verifiedQuery Kalshi markets with filtering, sorting, and pagination
SchemaSure
api✓ verifiedExtract strict, JSON-Schema-valid typed JSON from unstructured text or HTML. Failed extraction calls are not settled. Primary x402 V2 API for production agents.
WAVE-1 Token Forecaster
api✓ verifiedShort-term price-movement forecast for any crypto token across 7 time horizons.
api.onesource.io
api✓ verifiedLive wallet balance - native ETH plus any ERC20 tokens in one call via eth_getBalance and balanceOf on OneSource Ethereum RPC
api.onesource.io
api✓ verifiedFull Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block
api.onesource.io
api✓ verifiedNext transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent
api.onesource.io
api✓ verifiedFetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber
api.onesource.io
api✓ verifiedTotal supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)
IXS
api✓ verifiedIXS Real world asset vaults — 6% yields, BlackRock exposure, tokenized on-chain
MiroShark
api✓ verifiedMiroShark: run a 25-agent social-media simulation across Twitter, Reddit, and Polymarket over 10 rounds from a single prompt, URL, or article, then read a synthesized markdown report with belief drift, top posts, and prediction-market trajectories.
WebberSites x402 Data API
api✓ verifiedRaw metadata extractor: the complete, unopinionated head inventory of a page — title, charset, lang, canonical, all meta tags grouped by family (OpenGraph, Twitter, Dublin Core, named, http-equiv, itemprop), every link relation, and JSON-LD returned as parsed objects. For agents doing their own processing (head-check audits the same data; this just dumps it). ?url=
Otto AI
api✓ verifiedReal-time crypto market news with sentiment analysis and top headlines ranked by importance.
NodeFlare
api✓ verifiedBase 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 indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.
Concierge Agent
api✓ verifiedMacro snapshot — SPX, VIX, DXY, gold, BTC/ETH marks, Fear & Greed, Treasury yields, central-bank calendar
Otto AI
api✓ verifiedBest DeFi yield opportunities across stablecoins, ETH, and BTC with risk ratings and APY comparisons.
glim.sh
api✓ verifiedFetch a YouTube transcript from a video URL or 11-char id (video_id, also accepted as ref or url); returns a presigned download URL to the transcript
glim.sh
api✓ verifiedA user's recent tweets, ~20/page. Body: optional cursor + include_replies only
api.onesource.io
api✓ verifiedNFT metadata, traits, and image URI for any ERC721 or ERC1155 token - fetched via eth_call with IPFS resolution (OneSource live Ethereum RPC)
api.onesource.io
api✓ verifiedList every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)
api.onesource.io
api✓ verifiedContract introspection via eth_call - name, symbol, decimals, and ERC20/721/1155 interface support
api.onesource.io
api✓ verifiedERC20 Transfer logs via eth_getLogs - decoded sender, recipient, and amount for a token or wallet
api.onesource.io
api✓ verifiedTransaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
JustaName ENS Resolver
api✓ verifiedResolves an ENS name into its addresses, text records, and content hash, with batch support up to 50 names and per-name chain scoping via interop addresses.
Agentic Reservations
api✓ verifiedBook a paid Resy reservation for the authenticated user using a slot config token.
Laso Finance
api✓ verifiedOrder a gift card from the catalog. Browse available cards at GET /search-gift-cards.
Tenjin
api✓ verifiedPay-per-read pieces by independent publishers. Find one by question first: POST https://tenjin.blog/api/search is free and returns payable candidates or an honest MISS. The 402 carries a free preview; pay it for the full text JSON. Agent guide: https://tenjin.blog/llms.txt. Full catalog: https://tenjin.blog/.well-known/x402
hyperextend
api✓ verifiedThe most-recent N OHLCV candles (≤5000). Same per-row pricing as the windowed read ($0.00001 base for main/spot, $0.000025 premium for HIP-3/HIP-4); candles lag ~2 days.
Drip
api✓ verifiedPaid JSON for stock-picker calls from financial newsletters and investing articles. Query params: optional `date=YYYY-MM-DD` for one UTC effective day, optional `limit`. Default (omit `date`) returns the latest UTC effective day with picks. Rows missing publication timestamps may use extractedAt for the effective day. Returns 404 when no picks exist for the day. USDC `exact` x402 on Base or Solana; amount is based on distinct attributed source posts returned.
VoidFeed
api✓ verifiedReturns clean, normalized datasets of AI model benchmarks, pricing, leaderboard scores, and Ethereum EIPs, parsed from sources that are costly to scrape.
AgentPay x402 Trust Oracle
api✓ verifiedBuyer-side trust oracle for the x402 marketplace: 'I need X, budget $Y — which tool is real?' Sweeps the WHOLE catalog across many queries, collapses sybil/factory clusters (one wallet stamping many fake-distinct listings), ranks the genuinely-used survivors by unique-payer usage, and returns one vetted pick with a ready-to-pay challenge. The credit-bureau check an agent can't do in a single query.
Stock Trends Market Intelligence
api✓ verifiedLatest weekly price row for a Stock Trends symbol, including adjusted close, weekly high/low, volume (actual shares traded), trades, and price change.
ApiToll Reddit Search
api✓ verifiedReddit search scraper — keyword-search all of Reddit, or scope to one subreddit, for AI agents. Find posts matching any query, sorted by relevance, top, new, hot, or comments, with an optional time window. Returns each post’s title, author, subreddit, score, comment count, permalink, external link + domain, flair, and timestamp. No login, no API key. Track brand mentions, monitor topics, and surface Reddit discussion for agents.
ApiToll DeFi Yields
api✓ verifiedHighest-yield DeFi pools across every chain and protocol, filterable by chain, project, or asset symbol: each pool returns TVL in USD, total APY with base/reward split, stablecoin flag, impermanent-loss risk, and exposure. Sort by APY or TVL, and set sustainable=true to exclude IL-risky pure reward-emission farms. Find where to earn yield on USDC, ETH, SOL and more. Sourced from DefiLlama.
Bitrefill
api✓ verifiedPay a Bitrefill invoice in USDC via x402 to buy gift cards, eSIMs & mobile top-ups across 180+ countries.
api.onesource.io
api✓ verifiedEVM network info - chain ID, block height, gas price, chain head age, and chain characteristics in one batched RPC call (eth_chainId + eth_blockNumber + eth_gasPrice + latest block header)
api.onesource.io
api✓ verifiedLook up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)
api.onesource.io
api✓ verifiedEstimate the gas a transaction will consume via eth_estimateGas before signing it
api.onesource.io
api✓ verifiedERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds
api.onesource.io
api✓ verifiedQuery Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range
api.onesource.io
api✓ verifiedSimulate a read-only Ethereum contract call via eth_call - no transaction sent
api.onesource.io
api✓ verifiedERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet
api.onesource.io
api✓ verifiedEthereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on
api.onesource.io
api✓ verifiedCheck if an Ethereum address is a contract via eth_getCode - returns deployed bytecode
tick.hugen.tokyo
api✓ verifiedGet real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. 62-88% tighter spreads than any single source. Includes quality metadata (fresh_sources, quality_state, spread_vs_single_source). Supports 14 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 Base and Solana
HyperNatt Terminal
api✓ verifiedForced-order map. If cluster_grammar is present, read it before liq_radar. class=noise (<3%) is high-leverage bait — ignore. class=true (~7%+) is the low-leverage stack. Terrain, not a signal. Whitelist BTC ETH SOL BNB XRP HYPE ZEC (omit = BTC).
X402 Data API
api✓ verifiedPaid x402 API for AI agents that checks robots.txt, sitemap availability, llms.txt discovery, AI crawler readiness, agent accessibility and AI scraping compatibility for a public URL.
LION Verified Company
api✓ verifiedCheapest OFAC SDN wallet screen for AI agents ($0.001). AML/KYT pre-pay gate: PASS/WARN/BLOCK before you settle any x402 counterparty. Keyless Base USDC, Ed25519-attested. Beats $0.005–$0.05 wallet-screen clones. Upsell multi-list sanctions $0.02 + compliance receipt $0.05.
CoinGecko Crypto Price & Data
api✓ verifiedCrypto token price in USD, EUR and more — real-time spot prices for one or many coins by CoinGecko id (bitcoin, ethereum, solana).
Bitrefill
api✓ verifiedGet a product's packages, pricing, and recipient requirements before creating an invoice.
DNS Lookup API
api✓ verifiedDNS Lookup API. Resolve domain DNS records and receive structured JSON with A, AAAA, MX, NS, TXT, CAA, and SOA records. Useful for agents, developers, domain diagnostics, email setup checks, DNS troubleshooting, and infrastructure investigation. Paid per call via x402.
Stock Trends Market Intelligence
api✓ verifiedLatest Stock Trends Inference Model (ST-IM) outputs for a symbol: forward return expectations and statistical distributions across 4-week, 13-week, and 40-week horizons. Use /v1/meta/stim for ST-IM provenance, base-period context, and interpretation limits.
CoinGecko
api✓ verifiedQuery onchain DEX token price & market data based on the provided token contract addresses on a network.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
ApiToll Perps (Hyperliquid)
api✓ verifiedPerpetual-futures market data from Hyperliquid for any coin (BTC, ETH, SOL, HYPE…): mark price, hourly funding rate and its annualized APR, open interest in coin and USD, 24-hour notional volume, 24h price change, and max leverage, across 200+ perp markets. Sort by volume, open interest, or funding. Track the perp market the way trading agents do. Sourced from Hyperliquid.
Browser Use
api✓ verifiedBrowser 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-enabled remote browsers with CAPTCHA solving, residential proxies, live session view, and optional structured output. Payments top up your balance; managing your session is free — you only pay to open a new browser. Docs: https://docs.browser-use.com
Kronos Crypto Data & Forecasts
api✓ verifiedReal-time crypto derivatives signals for BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT-USD: perpetual futures funding rate (raw + annualized), next_funding_time, funding_interval_hours, open interest and 1h change, basis (perp vs index), funding-rate trend. Live data from Bybit/OKX via Kronos market_signals. Pay-per-call via x402.
Kronos Crypto Data & Forecasts
api✓ verifiedStablecoin market cap, top-10 breakdown by dominance, and 7d/30d supply flows (mint/burn) via DeFiLlama. Shows total stablecoin market cap, per-coin dominance %, and net capital entering/leaving crypto. 15-minute caching. Never fabricated — returns available:false when sources are unreachable. $0.02 USDC via x402.
Tereno Token Metadata
api✓ verifiedWhat token is this? Read a Base token's name, symbol, decimals and total supply in one cheap typed call, with block-level freshness and explicit limitations. Identity is shared across agents for 7 days while total supply is re-read on every call beyond the block window the answer was quoted for. Positive-sum by design: $0.03 cold, $0.02 when the token identity is already shared, $0.01 on a shared full answer — and the wallet that seeded it earns a share of every reuse.
Web Search, News & Page Reader
api✓ verifiedRead any web page or article: fetch up to 5 URLs in one batch call and extract the main content as clean, LLM-ready markdown or plain text. Convert webpages to markdown, scrape page text, pull article content for RAG ingestion and AI agent context.
SupplyChainPulse
api✓ verifiedFull supply chain report — shipping rates, BLS PPI, NY Fed GSCPI, AI summary
IndustrialMetals
api✓ verifiedIndustrial metals prices with momentum signals, category analysis, and AI brief
api.onesource.io
api✓ verifiedPending block - transactions not yet mined, via eth_getBlockByNumber("pending")
api.onesource.io
api✓ verifiedRead a raw storage slot from any Ethereum contract via eth_getStorageAt
api.onesource.io
api✓ verifiedDetect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.
x402.twit.sh
api✓ verifiedGet the latest tweets (timeline) from a specific Twitter/X user by their username. Returns up to 20 tweets per page sorted by most recent first, with pagination support. Query params: username (string, required) - Twitter screen name; next_token (string, optional) - pagination cursor, e.g. GET /tweets/user?username=elonmusk. Returns X v2 API-compatible JSON.
Roll
api✓ verifiedVerifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.
threat-feed
api✓ verifiedLive feed of freshly-detected malicious addresses on Base — address-poisoning seeders caught via zero-value transfer sprays, updated continuously by our on-chain collector. Poll ?since=<unix> to ingest only new threats into your agent's blocklist. Deterministic, evidence-backed, machine-readable.
ApiToll Insider Trades
api✓ verifiedLatest insider trades (SEC Form 4) for any US-listed company by stock ticker or CIK: who bought or sold, their role (director, officer, 10% owner), the buy/sell/grant/exercise code, shares, price per share, total value, and shares held after. Resolves ticker to CIK via SEC's official index. Sourced live from data.sec.gov.
fresh-feeds
mcp✓ verifiedDelta of the MCP registry since a daily baseline: added, removed, and changed (score/status) servers — the cheap habit endpoint for repeat callers.
agent-web-reader
api✓ verifiedWeb-content reader: fetch any http(s) URL and return clean readable text, title/description/canonical, and outbound links as JSON — the data an agent ingests on each step of a crawl or RAG loop. Input: url.
Hyperliquid Prediction Markets
api✓ verifiedThe catalog of Hyperliquid prediction-market outcomes and their metadata.
hyperextend
api✓ verifiedForced-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 markers (method market|backstop, markPx, liquidatedUser, dir). Priced per asset-hour ($0.005 base, $0.01 HIP-3/HIP-4) plus $0.05 per uncached archive hour pulled; up to 24 asset-hours/request, available ~2h after the hour closes.
PayPerByte
api✓ verifiedNWS weather forecasts for 5 US cities (NYC, LA, Chicago, Houston, Miami)
LoneStarOracle MacroPulse
api✓ verifiedUS macro intelligence — Fed rate, CPI/Core PCE YoY, yield curve, M2 money supply, GDP, VIX, crypto Fear & Greed, AI macro regime narrative
tick.hugen.tokyo
api✓ verifiedGet real-time Best Bid/Ask for ALL available FX pairs in a single call. Multi-source aggregated from multiple institutional LPs with 62-88% spread improvement. Returns 14 FX pairs including majors, crosses, and XAUUSD gold. Each pair includes quality metadata and spread improvement vs single source. AI agent API for portfolio dashboards, multi-pair monitoring, and FX market overview. Accepts USDC payments on Base and Solana
tick.hugen.tokyo
api✓ verifiedList all available FX symbols with their current quality state and source count. AI agent API for discovering available instruments before subscribing to tick data. Accepts USDC payments on Base and Solana
Yield.xyz MCP
api✓ verifiedDiscover DeFi yield opportunities across 80+ networks — 3,300+ staking, lending, vault, and RWA yields from Lido, Aave, Morpho, and more. Filter by token, network, yield type, or provider and sort by APY or TVL. Returns yield IDs (needed by every other tool) with APY, TVL, lock-up/cooldown periods, and KYC gating. Start here.
api.printmoneylab.com
api✓ verifiedKorean exchange prices (Upbit, Bithumb) for a single token in KRW
WebberSites x402 Data API
api✓ verifiedIP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup for analytics, fraud, and personalization agents.
CoinGecko
api✓ verifiedSearch onchain DEX pools and token, by contract address, name, or token symbol.
BAGS Agent API
api✓ verifiedBAGS Agent API index — machine-readable directory of the agentic payment API, MCP server, and x402 payment surface.
weather.payapi.market
api✓ verifiedCurrent weather conditions for any global location — temperature, feels-like, humidity, precipitation, wind, and human-readable weather description.
SCVD General Store
api✓ verifiedA Small Blessing. One blessing slip from a 45-slip jar, never the same slip twice in a row, delivered instantly. Full listing: https://scvd.store/menu/small_blessing. MCP tool: buy_small_blessing.
HTTP Security Headers Check
api✓ verifiedAudit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.
Minifetch Technical SEO API
api✓ verifiedCheap preflight checks if a URL can be fetched by Minifetch's user agent before making requests to the other paid Minifetch endpoints. If your own site is blocked read the tutorial: https://minifetch.com/tutorials/unblock-minifetch
US CPI Data & Inflation Report
api✓ verifiedGives 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 and 'core' inflation (which ignores food and energy prices), plus a plain-English summary sentence.
x402.twit.sh
api✓ verifiedLook 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, required) - Twitter screen name without @, e.g. GET /users/by/username?username=elonmusk. Returns X v2 API-compatible JSON.
sandbox.node4all.com
api✓ verifiedNode4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship demo of the Node4All x402 v2 payment flow. Operator: Node4All (https://node4all.com). Currency: USDC on Base.
StableTravel
api◐ partialSearch Google Flights for flight offers. Returns best flights, other flights, price insights, and airport info.
ApiToll Crypto News
api◐ partialLatest crypto news and breaking headlines, real-time from Cointelegraph. Search any topic (bitcoin, ethereum, DeFi, regulation, market sentiment) or pull the live feed, with full article text across 14 languages. Built for agents tracking crypto markets, tokens, and Web3.
Token Price Snapshot
api◐ partialCurrent USD prices for one or more tokens by CoinGecko id (e.g. bitcoin, ethereum, solana, usd-coin). Returns price, symbol, and confidence per token in one call. Sourced live from DefiLlama with attribution.
Ozmium Agent API
api◐ partialThe tradeable Gains Network (gTrade) crypto pair universe on Base: on-chain pairIndex, symbol, and the FULL leverage band per pair- maxLeverage, minLeverage (10x on forex, 2x on metals; below it the contract reverts), and openable, which is false for the ~300 listings the venue currently refuses to open at any size. USDC-collateralized synthetic exposure- any pair trades without holding the asset. GET /v1/risk/pairs.
CoinGecko Crypto Price & Data
api◐ partialTop crypto coins ranked by market cap — paginated market data (price, market-cap rank, symbol) in any currency, CoinGecko-sourced.
ReadX
api◐ partialSearch tweets. Start the query with @ (or add f:user) to search users instead. Example: GET /api/search?q=typescript
x402 Entity-ID Resolver
api◐ partialName 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 the entity's own official registry and tagged with the sources that agreed — so you can check it yourself, not trust an LLM's guess. Ranked by confidence.
DNS & WHOIS Domain Lookup
api◐ partialDNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.