Search services
200 results
AX1 Console
api✓ verifiedSend a Base token contract address, get an AI-written verdict: onchain metrics, a plain-language take, and a shareable verdict card. Entertainment, not trading advice.
StableEnrich
api✓ verifiedExa Search - Neural search across the web
Exa
api✓ verifiedExa /search endpoint
StableEnrich
api✓ verifiedExa Contents - Retrieve content from URLs
SolEnrich
api✓ verifiedTrailing 7d, 30d, and lifetime holder yield: rewards distributed in the quote asset, priced in USD, divided by average market cap over the window (daily snapshots). Annualized with an explicit caution flag when the window is under 7 days or partial. Returns quote_exposure — what a holder is economically long (the coin + the quote asset) and the reward asset.
BlockRun.AI
api✓ verifiedGet an AI-generated answer to a question grounded in live web search results.
StableTravel
api✓ verifiedSearch cached Seats.aero award availability by origin, destination, dates, cabin, carriers, and pagination.
svm402-service
api✓ verifiedCurrent price and liquidity data for a Solana token given its mint address, sourced from Jupiter and Helius. Call this for a quick, cheap market quote when you do not need the full analysis. — $0.01 USDC
BlockRun.AI
api✓ verifiedExtract full text content from specific URLs. Priced at $0.002/URL — total = urls.length × $0.002.
BlockRun.AI
api✓ verifiedNeural and keyword web search. Optional category filter: company, research paper, news, pdf, github, tweet, personal site, linkedin profile, financial report.
svm402-service
api✓ verifiedFull analysis of a Solana token given its mint address — current price, liquidity, safety risk score, honeypot check, and top-holder concentration. Call this when you need a complete due-diligence report on one token. — $0.03 USDC
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.
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.
ReadX
api✓ verifiedSearch for tweets by query (optional product filter; paginate with cursor). Example: GET /api/search/tweets?q=typescript
Nansen
api✓ verifiedGet Address Current Balance Data
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.
Gondola
api✓ verifiedOpenAI-compatible chat completions across the Venice AI model catalog. Pay per request in USDC on Base via x402, with no account and no API key. Overpayment is never lost: it banks as reusable wallet credit for your next call. Model ids and live prices: GET https://api.gondola-ai.com/v1/models.
Twitter/X API
api✓ verifiedSearch Twitter/X with structured filters or raw advanced-search syntax. Returns up to 20 normalized tweets with full text, author details, engagement metrics and a pagination cursor.
Satellite & GeoRisk x402 API
api✓ verifiedAgent-ready satellite observations for any coordinates. Returns PNG image URLs and scene metadata for true color, vegetation, water, thermal, or radar analysis.
svm402-service
api✓ verifiedDiscover newly active Solana tokens ranked by genuine organic activity, filtered to exclude wash trading. Optionally filter by minimum organic score and holder count. Call this to find tokens worth researching further with /analyze or /safety. — $0.01 USDC
Horror Story API
api✓ verifiedAccess the exclusive horror story collection (pay-per-read).
SolEnrich
api✓ verifiedRanks every StonkFun reward coin 0-100 on whether it is alive, paying, and liquid: recent holder payout, holders, size, turnover, age, momentum, quote strength. Stages GEM / WATCH / NOISE / DEAD with reasons and round-trip tax. A shortlist, not a price forecast: in a paper test (9/26-10/3) higher scores did not beat the market. Pair with stonk-creator and stonk-quote. Milliseconds.
SolEnrich
api✓ verifiedScreen every StonkFun reward coin from a 10-minute index. Per row: payout status (PAYING / STALE / NEVER), hours since last payout, live flag (traded AND paid in 24h), round-trip transfer-tax cost, holders, rewards USD, yields, volume, mcap, 24h change. Filters: quote_mint, category, holders, age, volume, market cap, paying_only, live_only. Sort by volume24h (default), lastPayout, holders, priceChange24h, or yield. "Which coins on NVDAX paid holders today?" is one call.
StableUpload
api✓ verifiedBuy an upload slot. Agent uploads file via returned URL.
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.
glim.sh
api✓ verifiedSearch tweets with advanced operators (recommended). Body param is `query` (not q), e.g. {"query":"from:elonmusk AI min_faves:100"}
botsmith
api✓ verifiedX Tweet Search ($0.02/call): Search X (Twitter) posts with full advanced-search syntax (from:, since:, until:, exact phrases, boolean operators). Returns up to 20 posts per call as clean JSON with metrics and entities, plus a cursor for the next page. No X account or API key needed.
Random Fact
api✓ verifiedReturns a single random fact as JSON in exchange for a micropayment.
Exa
api✓ verifiedExa /contents endpoint
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.
Web Search (SERP)
api✓ verifiedWeb search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).
keyring-agent.blockchhub.link
api✓ verifiedPay the send-token execution fee (ERC-20 transfer)
Nansen
api✓ verifiedGet "Token God Mode" (TGM) who bought/sold data
x402.sniperx.fun
api✓ verifiedGet SmartMoney trading activities on token (sorted by time descending)
SolEnrich
api✓ verifiedRecently launched tokens from DexScreener, filtered by liquidity and risk, ranked safest first.
Otto AI
api✓ verifiedImportance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.
Bitrefill
api✓ verifiedSearch 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.
Web Search, News & Page Reader
api✓ verifiedReal-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online — latest news, current events, finance. Date, domain and exact-phrase filters.
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.
Fortune Generator
api✓ verifiedGet a random fortune via x402 payment on Base mainnet.
Otto AI
api✓ verifiedToken price, market cap, volume, supply, and basic metrics. Works for any listed token.
Academic Paper Search
api✓ verifiedAcademic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and direct PDF link. Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. Keyless.
url2md
api✓ verifiedPDFs, JavaScript pages and ordinary HTML as clean Markdown. Pays a page's x402 toll for you. Follows robots.txt.
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.
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.
Wallets Demo Weather
api✓ verifiedReal-time current weather conditions for a city or location, including temperature, humidity, precipitation, wind, and a human-readable condition.
BlockRun.AI
api✓ verifiedQuery Polymarket markets with filtering, sorting, and pagination
SCVD General Store
api✓ verifiedA Small Blessing. One blessing slip from a 87-slip jar filled in 2 seasons so far, never the same slip twice in a row, delivered instantly with purchased_text: an ed25519 envelope binding the exact words and purchase certificate. Full listing: https://scvd.store/menu/small_blessing. MCP tool: buy_small_blessing.
767-2676.com
api✓ verifiedSigned time-bounded witness of an agent-carried payload digest; the payload stays with the agent
Geocoding & Reverse Geocode
api✓ verifiedGeocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.
Web Search + Page Reader
api✓ verifiedWeb search plus page reading in one call: answer with sources. Runs a web search, scrapes the top results, and returns the ranked search results together with each page's content as clean LLM-ready markdown, so an agent gets the SERP AND the underlying text without a second round of scrape calls. Per-page fetch errors are reported honestly per URL.
Oblique Markets
api✓ verifiedUse when an agent needs a trusted UTC timestamp or the smallest end-to-end test of its x402 payment client. Returns Current server time as ISO 8601 and Unix epoch milliseconds, returned only after a real settlement. $0.01.
Coin Flip
api✓ verifiedFlip a coin for a small USDC payment on Base mainnet. Returns heads or tails.
Useless Fact
api✓ verifiedPay a tiny amount of USDC and receive one delightfully useless fact.
Latest Cars 2026
api✓ verifiedEducational briefing on the latest cars in 2026 (powertrains, range, pricing, and what's new).
Otto AI
api✓ verifiedTradFi macro intelligence: indices, VIX, DXY, treasury yields, commodities, and individual stock quotes with moving average context.
Life Advice
api✓ verifiedGet one piece of thoughtful life advice, paid per request over x402.
Meme Generator
api✓ verifiedGenerate a captioned meme image. Pay per request in USDC on Base mainnet.
Google Trends SEO Keyword Data
api✓ verifiedGoogle Trends interest by region for a keyword — search popularity by geography for geo-targeting, local SEO and market research.
Ozmium Agent API
api✓ verifiedCoinbase's tokenized U.S. stocks on Base (B20): each token's contract, underlying ticker, live Chainlink 24/5 price (USD) with updatedAt, and minted supply (0 = no secondary liquidity yet; the quote decides). GET /v1/stocks. Secondary trading is permissionless on-chain; Regulation S, not for U.S. persons or other restricted jurisdictions.
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.
Ausca Agent Inbox
api✓ verifiedStart one renewable random receive-only temporary email address, then wait for and read bounded inbound mail. Use it as a disposable email or throwaway inbox for agent workflows, and extend the same active address when more time is needed. No outbound email or mailbox suite.
Ausca Browser Session
api✓ verifiedLease one ordinary remote browser with standard CDP access for 10, 30, or 60 minutes. No automation, proxy, stealth, or target-success promise.
StableUpload
api✓ verifiedBuy a site upload slot. Upload a zip file, then activate to extract and serve as a static site.
Oblique Markets
api✓ verifiedUse when an agent wants one-call situational awareness of the x402 Bazaar before choosing what to buy or sell. Returns Live x402 Bazaar market pulse: trending services, call volumes, new listings, and catalog changes from daily full-catalog snapshots. Machine-readable JSON for agent-market research. $0.002.
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.)
Word of the Day
api✓ verifiedGet today's curated Word of the Day (definition + part of speech).
Dice Roller
api✓ verifiedRoll a dice with any number of faces. Specify faces via ?faces=N query parameter.
Roast Generator
api✓ verifiedPay for a lighthearted developer roast generated on-demand.
Otto AI
api✓ verifiedQuick pulse check from crypto Twitter. Breaking news, trending narratives, and sentiment shifts at a glance.
Random Joke API
api✓ verifiedGet a random interesting joke. Secured with x402 payment protocol on Base mainnet.
x402 Web Search
api✓ verifiedWeb search that returns structured SERP results as JSON. Runs on a dedicated SearXNG instance aggregating multiple engines, so there is no per-engine API key, quota or HTML scraping to manage. Each result carries title, URL, snippet, the source engine and a published date where available. Choose general web, news, or image results, up to 10 per call. Use it to ground an answer in current web sources, research a topic, or monitor news on a query.
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.
Weight Converter API
api✓ verifiedConvert a weight/mass value between units (kg, g, lb, oz, stone, tonne, and more).
Riddle Oracle
api✓ verifiedPay a micro-fee in USDC on Base mainnet to receive a riddle and its answer.
Timezone Converter
api✓ verifiedConvert a time between any two IANA time zones (DST-aware). Pay-per-call in USDC on Base.
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
Otto AI
api✓ verifiedImportance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.
Vibe Springs
api✓ verifiedReal-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.
StableStudio
api✓ verifiedGet a client token for direct upload to Vercel Blob
Ausca Transcription
api✓ verifiedSpeech-to-text for one immutable audio or video artifact, returning normalized text and timed segments for audio-to-text or video transcription workflows.
Ausca Analysis
api✓ verifiedExtract normalized forms, tables, signatures, or layout from a document.
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 scored track record at /api/stats — measured on served predictions, not a backtest.
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.
TenPrint
api✓ verifiedUnforgeable operating history for any AI agent attesting through TenPrint: record count, first-seen date, continuity days, and recent activity, computed from HCS-anchored attestations that cannot be backdated.
MiroShark
api✓ verifiedMiroShark: predict how people and markets react to any scenario - a product launch, policy, campaign, crisis, token launch, or news headline. Spawns a 25-agent simulation across Twitter, Reddit, and a Polymarket-style prediction market over 10 rounds from a prompt, article, or URL, then returns a cited markdown report with belief drift, top posts, and market reaction.
ChronoSure
api✓ verifiedResolve a local time to an exact UTC instant with explicit DST ambiguity handling, business-day arithmetic, public-holiday status, and working-hour overlap across timezones. Detects ambiguous and nonexistent local times instead of silently shifting them. Declares its IANA tzdb release and per-jurisdiction holiday provenance.
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.
Onchain Query API
api✓ verifiedENS name resolution in both directions on Ethereum mainnet. Pass name to resolve an ENS name to its address (forward), or pass address to get that address's primary ENS name (reverse, forward-verified so spoofed reverse records are rejected). Read straight from the ENS registry. Use it to turn vitalik.eth into an address, or to label a raw address with a human-readable name.
x402 Uptime Monitor
api✓ verifiedFleet-wide uptime statistics for every monitored endpoint: uptime percentage, average response time, and total check count over 1, 7 and 30 day windows (plus an optional custom window). Use it to get an at-a-glance reliability picture of a service fleet in one call.
BlockRun.AI
api✓ verifiedQuery Kalshi markets with filtering, sorting, and pagination
402rates.com
api✓ verifiedPayment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the challenge lists currently available networks for each transport. The receipt identifies the paid network and transaction. Business/professional use only. Terms: https://402rates.com/data-terms/
TenPrint
api✓ verifiedAttested 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.
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).
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.
TenPrint
api✓ verifiedAttested 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.
CoinGecko
api✓ verifiedSearch onchain DEX pools and token, by contract address, name, or token symbol.
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.
SCVD General Store
api✓ verifiedSpot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and no money moves. Name a host and get what this observatory already holds on it, signed: corpus rounds and verdicts as recorded, when we last actually knocked, our coverage of the window since we met it, and the gaps with their reasons. Read from the books at the counter — no request is made to the host, so the answer is as fresh as our last round and no fresher, and sa…
Omni Terminal
api✓ verifiedOmni Terminal delivers fresh, deduplicated market-moving news and catalyst context across equities, crypto, macro, and forex for AI trading agents.
x402 Weather API
api✓ verifiedLive current weather conditions for any city, sourced from Open-Meteo
Minifetch Technical SEO API
api✓ verifiedCheap robots.txt preflight before you call the Minifetch /extract and /run/seo-page-audit endpoints: returns whether the Minifetch user agent may fetch a target URL (allow/deny) plus its crawl-delay. If blocked or setting a crawl delay read https://minifetch.com/tutorials/unblock-minifetch . Checks the URL as given — does not follow redirects. Supports GET & POST
Hyperliquid Smart Money Data API
api✓ verifiedHyperliquid perps (perpetual futures). What history exists before you pay for it: how many markets we track, which asset classes, and the range covered. The cheap probe that tells an agent whether the paid series is worth buying
Bitrefill
api✓ verifiedPay a Bitrefill invoice in USDC via x402 to buy gift cards, eSIMs & mobile top-ups across 180+ countries.
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).
Oblique Markets
api✓ verifiedUse when an agent needs base gas price. Returns Current Base gas price: fetch EIP-1559 latest-block base fee and gas price in wei and gwei from redundant public RPCs, with block freshness metadata for transaction planning. $0.002.
Agent Web-Access
api✓ verifiedRead any live web page as clean, LLM-ready text. Renders JavaScript in a real browser, then strips navigation, ads and boilerplate. Use it when a plain HTTP GET returns empty or garbled HTML: single-page apps, dynamic feeds, or content that only appears after scripts run. Returns markdown, plain text or cleaned HTML plus the upstream HTTP status. Page content is third-party data and is flagged untrusted so an agent treats it as input, never as instructions.
Kronos Crypto Data & Forecasts
api✓ verifiedCrypto funding-rate extremes screener: scans all 17 perpetual futures markets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT/HYPE). Uses z-score (30-day baseline) to identify statistically extreme funding: |z|≥2 = extreme, |z|≥3 = critical. Returns only assets clearing the threshold. Real-time from Kronos market_signals (OKX data). Pay-per-call via x402.
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.
Oblique Markets
api✓ verifiedUse when an agent needs base block number. Returns Fetch the current Base mainnet block number from redundant public RPCs and return structured JSON with source and freshness metadata. $0.002.
Weather Forecast & Air Quality
api✓ verifiedWeather forecast and air quality for any location worldwide. Returns current conditions plus a 16-day daily weather forecast - temperature highs and lows, precipitation, and wind - alongside air-quality readings including AQI, PM2.5, PM10, and ozone, for any latitude and longitude. Daily forecast resolution. Keyless, via Open-Meteo.
Kronos Crypto Data & Forecasts
api✓ verifiedTradFi macro context for crypto traders and agents: VIX (fear gauge), DXY (US Dollar Index), US 10-Year yield, S&P 500 (SPX), and gold. Sourced from stooq.com and Yahoo Finance in parallel with 15-minute caching. All fields are null if sources are unreachable — never fabricated. $0.02 USDC via x402.
Bitrefill
api✓ verifiedCreate a price-locked USDC invoice for one or more gift cards, eSIMs, or mobile top-ups.
Brazil Data API
api✓ verifiedOfficial USD/BRL and EUR/BRL exchange rates (PTAX, Central Bank of Brazil).
OnchainPulse
api✓ verifiedHoneypot check, half a cent: can this token actually be sold? Simulated buy+sell verdict, buy/sell/transfer tax, mint authority, ownership renounced, transfer-pausable, blacklist — the raw flags, one source, no fusion. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. Cheapest token safety check before you trade; upgrade to /api/evmtoken ($0.015) for the fused CLEAR/CAUTION/AVOID verdict. Answers: is this token safe?
Vibe Springs
api✓ verifiedReal-time ETH/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.
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.
api.onesource.io
api✓ verifiedLatest Ethereum block height - current chain tip via eth_blockNumber
Hyperliquid Prediction Markets
api✓ verifiedThe catalog of Hyperliquid prediction-market outcomes and their metadata.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
Bitrefill
api✓ verifiedDiscover the Bitrefill x402 storefront: supported networks, the full route flow, and wallet persistence rules.
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.
Chit402
api✓ verifiedSigned spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk and possession book for agent spend — export, policy, evidence. POST /v1/chat/completions is the x402 USDC door on Base and Solana. Returns signed receipt + public verify_url. Paying this host is real mainnet USDC.
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.
ApiToll Crypto News
api✓ verifiedLatest 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.
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.
FortiSwap
api✓ verifiedList every token FortiSwap routes on the X1 blockchain (XDEX + Degen launchpad): mint, symbol, name, decimals, logo, USD price, 24h volume, TVL, trust tier. Call this first to resolve a symbol to a mint before quoting or building an X1 swap.
ip402.xyz
api✓ verifiedPaid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.
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✓ verifiedLive wallet balance - native ETH plus up to 20 caller-supplied ERC20 tokens in one bounded RPC batch
api.onesource.io
api✓ verifiedBest-effort contract introspection via batched RPC - bytecode presence, token metadata, and ERC20-like/ERC721/ERC1155 classification
api.onesource.io
api✓ verifiedERC20 Transfer logs via eth_getLogs - raw Transfer events for a token or wallet
Quartermaster Gas Prices
api✓ verifiedCurrent Base gas prices and a simple-transfer cost estimate for transaction planning.
Vibe Springs
api✓ verifiedBase network real-time gas price oracle. Returns block base fee, current gas price in GWEI, and network block details.
BAGS Agent API
api✓ verifiedBAGS Agent API index — machine-readable directory of the agentic payment API, MCP server, and x402 payment surface.
RobinX
api✓ verifiedLive scored launch feed (realtime) — or add ?tier=free for the 10-min-delayed free feed, or ?tier=alpha ($0.02) for caller_signal enrichment
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. Upsell: recheck $0.01 answers should I pay this wallet again (GO, HOLD, or STOP).
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.
Bitrefill
api✓ verifiedGet a product's packages, pricing, and recipient requirements before creating an invoice.
JMT WHOIS RDAP
api✓ verifiedRaw RDAP registration record for a domain, returned as structured JSON.
glim.sh
api✓ verifiedSearch Amazon by keyword or browse bestsellers by category slug
Book chapter
api✓ verifiedPaid 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: Markdown (.md) for agent parsing. USDC on Base via Coinbase CDP facilitator. Free teasers and discovery.json require no payment.
Massive
api✓ verifiedGet the most recent news articles relating to a stock ticker symbol, including a summary of the article and a link to the original source. Can't find what you're looking for? POST feedback to /feedback, no charge.
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)
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✓ verifiedNext transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent
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✓ verifiedDeepstate, the on-chain order-book exchange on Robinhood Chain. Lists the markets this service serves with their token layout (base, quote, token0/token1, decimals).
IXS
api✓ verifiedIXS Real world asset vaults — 6% yields, BlackRock exposure, tokenized on-chain
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.
Kronos Crypto Data & Forecasts
api✓ verifiedForward liquidation cluster map + recent prints for all 17 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/HYPE-USD. Pay-per-call via x402.
Agentic Reservations
api✓ verifiedRestaurant recommendations from the Blackbird network (~2,000 curated restaurants, mostly NYC and San Francisco). Full-text search plus city/neighborhood filters, with complete specials on every result, refreshed daily from a cache (never a live call) — e.g. every West Village restaurant with its current Fly-reward offers in one call.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
TenPrint
api✓ verifiedAttested 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.
Dokimo Verify API
api✓ verifiedDokimo Verify API (GET) - scheme demo: recomputes a sample dokimo-merkle-v1 proof to its root. For real caller verification, POST /paid/verify (recompute + on-chain anchor check). Scheme: /merkle-spec.html.
ApiToll Crypto Sentiment
api✓ verifiedThe Crypto Fear & Greed index: the current market-sentiment score (0–100) and its classification (Extreme Fear → Extreme Greed), plus optional daily history. A widely-watched contrarian signal for crypto market timing. Sourced from Alternative.me.
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.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
SameDayDesk
api✓ verifiedExtract a public HTTP(S) page into JSON: title, description, JSON-LD, Open Graph, headings, links, and AI-readiness signals. No JavaScript; 12-second timeout; 3 MB cap. Paid JSON keeps requestedUrl, finalUrl, status, sourceOk, error, and capture limits. Default excerpt 1200. Optional textExcerptLimitChars 1-40000 is rejected before payment; price unchanged. Not the full page. Use /read for Markdown.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
api.loyalspark.online
api✓ verifiedOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
TenPrint
api✓ verifiedAttested 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.
Toolsmith
api✓ verifiedForeign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.
Orcpin
api✓ verifiedx402 endpoint reliability pre-flight: factual service-delivery measurements of a target x402 endpoint before an agent pays it — reachability/uptime rate, valid-402 rate, response latency (p50/p95/p99), last status, and sampled paid delivery verification. Facts only (no trust score, no 'scam' label). Check whether an endpoint is live and delivers before spending on it.
ZoningVerdict
api✓ verifiedAddress-to-zoning lookup for published municipalities. Coverage: 64 municipalities in 6 states. Resolves a street address to supported municipality and, where GIS is verified, zoning district_code with lookup method. Positioning: Records tell you what's on file; ZoningVerdict tells you what the ordinance actually says, independently verified, with the citation. Responses include source citations and last-reviewed dates. Price: $0.01/call.
api.onesource.io
api✓ verifiedQuery Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range
api.onesource.io
api✓ verifiedEthereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on
api.onesource.io
api✓ verifiedList every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)
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✓ verifiedCheck if an Ethereum address is a contract via eth_getCode - returns deployed bytecode
api.onesource.io
api✓ verifiedNFT metadata for ERC721 or ERC1155 tokens via eth_call, with IPFS, Arweave, data URI, and public HTTP(S) resolution
api.onesource.io
api✓ verifiedDeepstate, the on-chain order-book exchange on Robinhood Chain. Per-maker time-at-top, notional rested, fills, and maker rewards earned for a market (token varies by market; see /deepstate/v1/markets).
OnRamperX
api✓ verifiedOnRamperX is a non-custodial value router for agents and humans: fiat<->crypto and cross-chain via one quote interface (Coinbase Onramp v2, Relay, x402). This endpoint returns the router's live capabilities and rail status; use /api/x402/quote for a ranked route. Settlement centers on USDC on Base.
Kansai ADS-B Live API
api✓ verifiedLive aircraft positions over Kansai / western Japan from an independent ADS-B receiver (~1s freshness): position, altitude, speed, squawk, plus callsign→route resolution (origin/destination airports) from official timetables.
ContextSlim
mcp✓ verified[MCP: fetch_result] Targeted JSONPath extraction (query param mode) from cached context reference.
Minifetch Technical SEO API
api✓ verifiedRuns a full technical SEO audit on a single web page. Verify redirects, headers, meta tags, indexability, JSON-LD, missing or conflicting canonicals and more. No black-box scoring; just deterministic, composable signal you can act on. Every threshold is documented at https://minifetch.com/skills/seo-page-audit/SKILL.md Obeys robots.txt. Supports GET & POST
JAW.id 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.
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.
HALOWERK Energy
api✓ verifiedCheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full NegPrice decision after a valid USDC payment.
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.
api.onesource.io
api✓ verifiedDeepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a market, bids descending and asks ascending, with live resting size per level.
api.onesource.io
api✓ verifiedDeepstate, the on-chain order-book exchange on Robinhood Chain. Rolling 24h / 7d / 30d volume and price change for a market.
api.onesource.io
api✓ verifiedDeepstate, the on-chain order-book exchange on Robinhood Chain. OHLCV candles for a market.
api.onesource.io
api✓ verifiedDeepstate, the on-chain order-book exchange on Robinhood Chain. Depth heatmap - resting order size by price level over time for a market.
api.onesource.io
api✓ verifiedSimulate a read-only Ethereum contract call via eth_call - no transaction sent
api.onesource.io
api✓ verifiedDeepstate, the on-chain order-book exchange on Robinhood Chain. Gas spent resting and cancelling orders for a market.
api.onesource.io
api✓ verifiedLook up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)
api.onesource.io
api✓ verifiedDetect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy
api.onesource.io
api✓ verifiedDeepstate, the on-chain order-book exchange on Robinhood Chain. Trade tape for a market, newest first.
api.onesource.io
api✓ verifiedFull Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block
api.onesource.io
api✓ verifiedRead a raw storage slot from any Ethereum contract via eth_getStorageAt
Laso Finance
api✓ verifiedOrder a gift card from the catalog. Browse available cards at GET /search-gift-cards.
api.onesource.io
api✓ verifiedTransaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction
api.onesource.io
api✓ verifiedEstimate the gas a transaction will consume via eth_estimateGas before signing it
api.printmoneylab.com
api✓ verifiedKorean exchange prices (Upbit, Bithumb) for a single token in KRW
api.onesource.io
api✓ verifiedERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds
api.run402.com
api✓ verifiedSet prototype tier ($0.10 USDC) — auto-detects start/renew/upgrade