Find x402 services agents can discover, pay for and use.

Email deliverability verification

Deep person research — returns enrichment, social profiles, articles, and dossier

Profile enrichment from LinkedIn URL

Get "Token God Mode" (TGM) holders data

Get Address Transactions Data

Retrieve token screener data

Get Address PnL Summary Data

Cryptographic hash of a text string - sha256 (default), sha512, sha1 or md5 - returned as hex and base64. Use it for content fingerprints, integrity checks and deterministic ids; pure computation, instant.

Live ticker statistics including mention counts, velocity (mentions/minute), acceleration, and lifecycle stage classification.

LinkedIn profile enrichment API for one B2B lead

Web search powered by Exa

Fetch a tweet (with thread context) by URL/id or a user (with recent tweets) from one URL

Onchain 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.

Onchain 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.

Onchain 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.

Web search for AI agents, powered by Exa neural search: pass a query and receive relevant pages with title, URL, published date, author, relevance score and a text snippet as structured JSON. Pair with /web-extract for full-page content. For RAG retrieval, research, fact-finding and monitoring. Keyless, pay-per-call, cached by query. No matches returns an empty result set.

Top Polymarket prediction markets RIGHT NOW: the 25 highest-volume open markets with live odds (outcome probabilities), best bid/ask, spread, last trade price, 24h + total volume, liquidity, 1d/7d price change, end date and event link. Flat JSON, refreshed every 5 minutes. Prediction market odds, Polymarket data, event probabilities, market sentiment. $0.001 per call.

TikHub — 742 per-call social-data endpoints (GET) across douyin/tiktok/weibo/instagram/bilibili/zhihu/kuaishou/youtube & more. Pass { endpoint, ...params } (params per endpoint; most reads take username/user_id/keyword + pagination_token). Find endpoints via vaaya/discover or the social-data knowledge doc. Most calls 1¢.

Omni Terminal renders a bounded public Hyperliquid trader-profile PNG with configurable symbol, range, chart tab, and capture depth for visual-capable trading agents.

Omni Terminal renders a bounded PNG for one published Hyperliquid liquidation bucket at an explicit price and side for visual trading agents.

Omni Terminal renders a bounded price-chart PNG with published Hyperliquid liquidation levels so visual-capable trading agents can inspect level placement and price structure.

Omni Terminal provides Hyperliquid price structure with bounded OHLCV candles, current funding/carry, and an optional mark-anchored all-level liquidation and margin-stress overlay.

Use this to scan Quotient's published prediction-market signals on Polymarket International, Polymarket US, Kalshi, and Limitless: side, entry YES price, latest Q probability and thesis, conviction, the forecast_status gauge with its standing adverse move, upside to Q, and capacity — one signal per market. A signal is active or retired; a missing live quote drops a row from the feed, and a caution/warning forecast_s…

Historical hourly AI intelligence digests (1-24 hours lookback). Track how AI agent sentiment, topics, and narratives evolve over time. Each digest contains full analysis of that hour's agent activity.

Paid ($0.01 USDC via x402). Returns the top 20 active opportunity cards by score as TEASERS — { id, slug, title, category, score, signalCount, lastSeen } only. No evidence and no productAngle (buy GET /v1/opportunity for the full card). While the index is still warming and no active cards exist yet, you get a no-charge 503 corpus_warming (never an empty charged list) — poll the free GET /v1/categories to see when ca…

Trending crypto coins. The coins most searched on CoinGecko right now, with rank, price, and market-cap rank.

Bulk web search: up to 5 search queries in a single call, each returning ranked title, URL, and snippet, with the same locale, freshness, and news filters as the single-query web search. One paid call instead of five for research fan-out.

FDA recalls and adverse events. Drug, device, and food recall and adverse-event records from openFDA with classification, recalling firm, and reason.

Node4All 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.

Fast real-time news scan across 44+ curated domains (configs/search_domain_profiles.json), every item source-attributed. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). The quick-scan tier below research.topic-deep-researcher's slower, citation-grade report.

Use when an agent is checking that its x402 payment headers and query encoding survive a paid round trip. Returns The query parameters you sent, echoed back with a server timestamp. $0.01.

Use when an agent needs a current USD price for a major token by symbol before quoting, converting or rebalancing. Returns Spot USD price for one crypto asset by ticker symbol, with 24h change, market cap and volume when the source reports them. $0.004.

TradFi risk-on/risk-off in one $0.003 call for crypto agents. Returns the S&P 500 and Nasdaq-100 regime state, how many equity sectors are green out of 11 (breadth), whether the permission ladder allows risk at all, and the same engine's BTC/ETH trend gate — size against equity risk appetite instead of guessing. Regime states flip rarely (days, not minutes); recomputed ~5-9 min in-session by a live long-only engine…

Today's market leaders, ranked — which stocks are leading the tape right now? Top leadership names per book (S&P 500, Nasdaq-100, macro) by opportunity score, each with opportunity 0-100 + percentile, entry state, hold strength, growth score, dollar volume and coil read. Plus the AWARENESS block: sector money flows (mean move + breadth), coiled setups (compression or held post-catalyst, coil_score 0-100) and coverag…

CPG product data + shop prices by barcode or name. Open Food Facts + Open Prices. Ed25519 attested.

GLEIF LEI lookup for AI agents — Legal Entity Identifier search by LEI code, legal name, or domain. Keyless Global LEI Index Golden Copy (api.gleif.org), no API key. LEI, jurisdiction, registration status, LOU. Ed25519-attested. $0.005 Base USDC x402. Matches: LEI, GLEIF, legal entity identifier, LEI lookup, company LEI.

SEC EDGAR financials for public companies (keyless, attested)

Screen a company or entity name against multi-list sanctions (OFAC/EU/UN public designations index). PASS/BLOCK. Fail-safe if lists unavailable. $0.01 Base USDC, keyless, Ed25519-attested.

Free-text web search for AI agents: ranked title/url/snippet results fused across multiple engines (Brave, Google, DuckDuckGo, Mojeek, Startpage, Yahoo), with freshness filters (past day/week/month/year), region/locale and SafeSearch. One call for grounded, up-to-date web results — no keys, no scraping setup.

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response

Attested 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.

Attested x402 payment history for any buyer wallet: settlement count, first-seen, last-seen, total spent, services used, distinct sellers observed - computed from an append-only settlement ledger and anchored on Hedera. Counterparty intelligence that is evidence, not opinion: unlike behavioral scores, these records cannot be revised.

Ethereum RPC (chain 1): 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.

Retrieve a seven-day USD-denominated report of Tether bridge flows on Ethereum. This is a bounded onchain stablecoin intelligence product backed by The Tie's data API.

Send dollars to a bank account by ACH. Requires a bank destination registered beforehand with addBankingDestination (list them at GET /bank-recipients), which in turn requires an approved banking profile. The on-chain x402 payment credits the user's account balance via the standard deposit webhook, so a payout that cannot be fulfilled leaves nothing stranded — retry, or recover the funds with POST /withdraw.

Convert any video to a clean, web-ready MP4. Provide a source URL or upload the file directly; the paid request returns a status URL to poll, and the finished MP4 (plus a thumbnail) is downloadable for 24 hours. Fixed price per conversion in USDC over x402; no account or API key. Failures on our side automatically mint a free retry voucher. Input up to 100 MB.

Give this API a loan amount, an interest rate, and a repayment term, and it returns the exact monthly payment plus a full month-by-month schedule: interest paid, principal repaid, and balance remaining for every payment. Ask what an extra $300 a month, or a $10,000 lump sum in month 24, would do and it reports the months and interest saved. Every figure uses banker's rounding at pinned precision, so two correct syst…

Send an HTTP request to any URL from our servers and receive the full response — including the status code, all response headers, and the body content. Supports GET, POST, PUT, PATCH, DELETE, and HEAD. Automatically follows up to 3 redirects. Useful for testing endpoints, verifying servers are responding correctly, debugging redirect chains, or fetching raw data without needing a local setup.

Give this API a web address and it will visit that page, then hand back everything an SEO professional needs to know: the page title, meta description, meta keywords, robots instructions, canonical link, H1/H2/H3 headings, how many links are on the page, and the HTTP status code. No setup required — just paste a URL and get structured data back in under two seconds.

Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of the internet: the network number, the owner's name, the country it's registered in, the regional registry that manages it, and the exact address range it belongs to.

Hotel search — find hotels & vacation rentals anywhere by destination with live nightly rates, star class, guest ratings, amenities, photos & coordinates as clean JSON.

Yield pools by DefiLlama — every tracked pool with APY, TVL, project and chain.

Top crypto coins ranked by market cap — paginated market data (price, market-cap rank, symbol) in any currency, CoinGecko-sourced.

Structured live crypto market data for ~50 top assets in one JSON call: spot price and 24h open/high/low/volume/change (Coinbase Exchange) plus market cap, rank and circulating/total/max supply (CoinGecko). Quote in USD, EUR or GBP; defaults symbol=BTC vs=USD, so a bare call returns Bitcoin. 60s cache, keyless upstreams — the purpose-built replacement for scraping exchange price pages.

On-chain address risk scoring and intelligence. Analyzes any Ethereum, Base, or Sepolia address across 6 security signals: balance profile, transaction history depth, contract detection, bytecode analysis (self-destruct patterns, delegate calls), proxy detection (EIP-1967), and known-risky address matching. Returns a 0-100 risk score, severity-ranked flags, and full profile data in a single call.

Daily fire hotspots across Brazil from the official INPE satellite program: count and mean intensity (FRP) by biome (Amazon, Cerrado, etc.) over the last 7 days, leading states, plus mean days-without-rain at fire locations — a drought proxy. Signal for ESG screening, carbon markets, cattle and soy supply-chain risk. Free sample, no payment: https://api.brazilayer.com/v1/commodities/amostra

Brazil stored hydro energy (EAR) by grid subsystem, daily from the official grid operator (ONS), with 7-day delta. Brazil is hydro-dependent: reservoir levels drive power prices, aluminum/industrial costs and drought narratives. A compact energy-risk gauge for one of the world largest grids. Free sample, no payment: https://api.brazilayer.com/v1/commodities/amostra

VAPE stablecoins — Stablecoins by circulating supply with live peg price and a computed depeg amount — a de-pegging stablecoin is a live systemic threat signal.

VAPE chain_fees — Fee-earning protocols on a chain, ranked, each with its logo (default Base) — the chain's real economic activity, not just parked capital.

Read the current block height directly from a supported Base, Ethereum, or Arbitrum public JSON-RPC provider.

Large on-chain transaction monitor — whale movements on Base, Ethereum, and Robinhood Chain with AI pattern analysis

On-chain intelligence — whale transfers trending tokens DeFi TVL on Base and Ethereum

Update the profile (name/bio/location/url) of an X account you control.

List the TikTok accounts your wallet owns, with session health.

Latest PulseChain block number and timestamp.

Returns verified, citation-backed facts about new AI model releases, benchmark scores, and protocol changes, each with source URLs and confidence.

Returns a structured knowledge graph of the AI tooling ecosystem, expandable by topic and depth, for navigating MCP servers and related capabilities.

X User Profile ($0.015/call): Fetch an X (Twitter) account by handle: display name, bio, follower/following/tweet counts, account creation date and age in days, verification status, location and profile image. No X account or API key needed.

Stablecoin Peg Monitor ($0.015/call): Live peg-and-supply snapshot for any stablecoin by symbol (USDC, USDT, DAI, ...): current price, signed deviation from peg in basis points, a depeg alert at 1%, total circulating supply and its top-chain breakdown. Keyless. Useful before settling or holding value in a given stablecoin.

Coinbase price premium vs composite spot median (OKX + Kraken + Binance). premium_pct = (coinbase / composite_median − 1) × 100. Positive = US/institutional demand skew; negative = global selling pressure. Covers BTC/ETH/SOL/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/BCH/ATOM/NEAR (assets listed on Coinbase). Point-in-time only — no historical baseline stored. $0.02 USDC per call via x402.

Material-change feed for up to 5 crypto assets. Pass the cursor from your last call and receive ONLY what changed since: funding sign or band, funding trend, open-interest regime, alert set, and source stale/recovered. Returns an explicit no-change packet rather than pretending, plus per-asset freshness and a next-poll time derived from the real 5-minute collection cadence. Market data, not advice. $0.02 USDC via x4…

AgentOracle: top 10 gainers and top 10 losers by 24h price change percentage across all tracked on-chain tokens. Returns two parallel arrays plus an `asOf` timestamp.

Live Base wallet balance for AI agents. Returns native ETH and Circle USDC balances, atomic values, block height, contract address, and observation time for any EVM address. Includes a machine-readable upgrade path to treasury readiness for spend, gas-reserve, and wallet-health decisions. No API key.

Current crude oil price in USD per barrel — WTI or Brent spot price from the U.S. Energy Information Administration (EIA). Reflects the latest official daily figure, not live or real-time trading data; lags the market by several business days.

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.

Verifiable call log: every signal this desk has published, timestamped and countable (?asset=BTC optional). Audit us for a penny before you spend a dime — no accuracy claims, compute your own. Descriptive research, not financial advice.

Paid 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.

Fetch deterministic, token-efficient context from one public HTTPS URL: canonical URL, title/description, headings, clean main content, structured-data types, freshness observations, evidence, and limitations. Call when you need a bounded JSON reading of one public page without a browser, login, crawl, or LLM.

Parse SEC filings (10-Q, 10-K, 8-K, Form 4) and earnings transcripts into structured JSON. Supports EDGAR by ticker or direct URL.

Resolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and per-address chain scoping via interop addresses.

Validates email deliverability: syntax check, MX record lookup, and SMTP server reachability. Returns risk score and quality rating. Deterministic, sub-second. x402-native.

Fetch a URL and grade its HTTP security headers (HSTS, CSP, X-Frame-Options, etc.)

Plan, open, adjust, and close concentrated liquidity positions on Uniswap V3 or V4.

Highest-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.

Itemized fee breakdown and net P&L for any arbitrage trade — fees, slippage and gas. For arbitrage and trading agents.

Macro snapshot — SPX, VIX, DXY, gold, BTC/ETH marks, Fear & Greed, Treasury yields, central-bank calendar

DNS 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.

Give it a longitude and latitude and it answers with the IANA timezone identifier (America/New_York), the UTC offset in force there right now, whether daylight saving is currently in effect and by how much, the local wall-clock time, and the zone's standard offset. Pass an optional ISO 8601 `at` instant to ask about any moment between 1900 and 2100 instead of now, which is what you want when scheduling something mon…

Raw market trades over a time window — the live hot tier (~24h) plus S3 read-through for older history (archive from 2025-05-25), merged. Each row mirrors HL's WsTrade verbatim, including the buyer/seller addresses (`users`) and the trade `hash`. Priced per asset-hour ($0.015 base, $0.03 HIP-3/HIP-4) plus $0.05 per uncached archive hour pulled (warms the cache); ≤24 asset-hours/request.

invinoveritas /regime — the daily crypto risk-on/off + exposure-scalar read our own live trading bot acts on, recomputable from the raw inputs we return

AI video generation from a text prompt. Returns an 8-second 720p clip with native audio. Use for short-form video, b-roll, product shots, music-video visuals, social clips, and ads. Include sound cues (instruments, voices, weather, movement) since audio is generated from the scene; a silent scene renders near-silent by design. Async by default: poll the returned pollUrl for videoUrl, or pass ?async=false to block.

Latest Sealed BTC Forecast. Latest sealed five-minute LUMI, TENNA, and consensus forecast from TENNA Observatory, including English commentary, recent accuracy, and eligible live edge-node consensus. Reuses existing app.tenna.ai output with no extra AI call. Eligible external wallets may receive one zero-budget preview per UTC day; 0.01 USDC is the fallback rate because ACP cannot list a zero price. Experimental for…

USD token price (POST wrapper, body: {symbol} or {chain, contract}) — $0.001 USDC

Heartbeat endpoint billed via a batch-settlement payment channel

Detect whether an arbitrage opportunity exists in a set of token exchange rates (multi-pool negative-cycle scan). Cheap boolean + magnitude signal for trading agents. POST a swap-rate graph, get back whether a profitable cycle exists and how large — without the path.

List every network Yield.xyz supports (80+) with its id (slug), name, and category (EVM, Cosmos, Substrate, misc). Filter by name/id or category. Use the network id to filter yields_get_all.