Data

20 utility tools for agents via x402 micropayments: ip/dns/whois lookup, QR codes, exchange & stock/crypto prices, email/phone validation, SSL check, weather, translate, geocode, web/news search, PDF extract, screenshot, html-to-pdf, OCR, webpage reader.

Multi-chain agent-to-agent marketplace exposing 619 deterministic microservices via an MCP bridge, payable per call in USDC with no signup. Tiered pricing (Micro/Basic/Standard/Premium).

Crypto market-data MCP with 117 tools plus 19 REST endpoints aggregating DexScreener, Birdeye, GMGN, Arkham, Nansen, Dune and Jupiter for token/DeFi intelligence. Pay-per-call in USDC on Base and Solana.

145+ pay-per-call APIs behind one MCP endpoint: social enrichment, OSINT lookups, web scraping, image generation and document intelligence. USDC on Base via x402.

Structured data on 5,336+ AI tools via REST API and an MCP server: search, compare and retrieve tool profiles. Pay-per-call in USDC on Base via x402.

x402-powered API marketplace ('UK's API Marketplace for AI Agents'). ~27 live APIs / 222 endpoints across property, companies, weather, vehicle and financial data. Agents discover and pay per request; settles in USDC on Base. Free to list, 3% platform fee.

Open x402 index with 1,346 deterministic tools: web/documents, live public data, unit conversions, text processing, encoding, validation and more. Wallet-is-identity model — no signup, pay per call in USDC on Base, Solana, Polygon and Arbitrum. 1,156 free proof-of-work CPU tools included.

Unified API platform for AI agents: 64 tools across AI generation, web scraping, crypto data, and utilities. Single POST per call; pay-per-request in USDC via x402 on Base, Ethereum, Solana, and 12+ chains.

16 stateless API endpoints for AI agents: wallet screening, OFAC checks, transaction decoding, on-chain verifiable RNG, LLM one-shots, and multi-step due-diligence investigations. $0.001–$1.77/call; USDC on Base/Solana, JPYC on Polygon.

MCP server exposing 38 pay-per-call APIs: LLM inference (15 models), image generation, audio transcription, TTS, embeddings, crypto/market data, blockchain tools, and IPFS storage. USDC on Base/Solana; USDm on MegaETH.

MCP server with a live, auto-updating catalog of x402 services (scans every 6 h). Nine tools: keyword search, health checks, compliance scans, trust attestation, and autonomous payment relay at max($0.003, 2.5%) per tx.

Hosted MCP server with 17 pay-per-call tools: entity due diligence ($0.50), Gulf Arabic NLP, email verification, web scraping (basic and structured), crypto prices, weather, gold prices, prayer times, legal simplification, and screenshots. USDC on Base via x402; no API key required.

Verification and trust infrastructure for x402 endpoints. Runs free readiness checks on 402 challenge behavior and manifests; publishes reports agents inspect before paying. Payable services: Agent Trust Scan ($0.01), Reputation Lookup ($0.001), endpoint listing/registration. USDC on Base.

574+ live keyless API endpoints across 106+ categories (Crypto 46, Government 56, Finance, Medical, Space, Patents) payable via x402 on Base and Solana. Features ai.council (multi-model consensus), Watchers (event-driven callbacks, $0.05), and wallet-scoped agent memory. From $0.001/call.

8 pay-per-call DeFi data endpoints: crypto prices, multi-chain gas (ETH/Base/Polygon/Arbitrum), DEX swap quotes (Uniswap/SushiSwap/1inch), token security scan, whale tracking, yield scanner, perpetual funding rates (6 exchanges), and wallet profiler. USDC on Base; companion MCP server available.

Privacy-coin payment detection and MEV intelligence API via x402: Monero/Zcash payment watching via view keys with webhook delivery, DeFi liquidation data, block-builder slot histograms, and at-risk position tracking. Pay-per-call in USDC on Base.

21-primitive x402 execution engine on Base: post-quantum security, AI inference (LLM/STT/embeddings/image-gen), browser automation, web search, DNS auditing, key-value + object storage, agent identity/passport, IPFS verification, and trust bundles. No account required.

47 x402-gated utility endpoints for AI agents across Base, XRPL, Stellar, and XRPL EVM: JSON repair, YouTube transcripts, webpage rendering, web monitoring, DNS/WHOIS, blockchain balances, wallet risk assessment, honeypot detection, PII redaction, JWT verification, and more.

On-chain ERC-8004 agent registry indexing 22,000+ AI agents across 17 blockchains. Agents search for peers, register on-chain identities, and build cryptographic reputation — all paid in USDC on Base via x402. Supports MCP, Google A2A, and OASF.

22 pay-per-query data APIs for AI agents accessible via MCP: prediction markets (Polymarket + Manifold), property intelligence, sports odds, regulatory filings, FX rates, weather, IP geolocation, academic papers, and AI-powered document summarization. USDC on Base, no API keys or signup.

186 pay-per-call DeFi and crypto data endpoints built on Base: MEV scanner, bridge routing, approval risk, yield tracker, funding rates, ENS lookups, Aave V3 liquidation monitoring, and more. $0.001–$0.01 USDC per call, no API key.

Open-source PulseChain analytics platform with 20 MCP tools: token safety scores, honeypot detection, whale tracking, smart money feeds, bridge stats, and holder leagues. Paid per call in USDC on Base.

Pay-per-call reverse-proxy API gateway with 12 endpoints spanning finance, DEX quotes, web scraping, news sentiment, and SEC filings. Settles in USDC via x402 on Base, Polygon, Arbitrum, and Solana. Free credits on first use; no signup required.

Remote MCP server aggregating 16 cross-niche data sources: crypto/DeFi prices, stocks, forex, Hacker News, Reddit trending, GitHub trending, weather, flights, real estate, and sports. $0.001/query via x402 on Base; bundle pricing for up to 20 queries.

14 deterministic truth endpoints for AI agents: astronomical positions (NASA JPL), magnetic field (NOAA WMM2025), timezone math, randomness via drand, timestamped proofs, timelock encryption, and 8 text-analysis tools. EIP-191-signed receipts per call.

Public-data scraping MCP: 18 sources across Facebook, Instagram, Craigslist, Zillow, AliExpress, Apartments.com, and more. Returns source-linked structured rows. Routed through Ampersend Nimble Router on Base; $0.001/request via x402.

French and European company data API for AI agents: registry lookups across 12 countries (France Sirene/RNE, Belgium, UK, Norway, Estonia and more), KYB compliance, sanctions screening against 6 official lists, business-health scoring. Ed25519-signed responses, no account required.

62 pay-per-call endpoints for AI agents covering live prices, web scraping, site audits, uptime monitoring, SEO/accessibility checks, QR/barcode generation, agent memory datastore, and LLM gateway; USDC on Base from $0.001 per call.

71-endpoint agent commerce platform with pay-per-call APIs across trading intelligence, creative AI, audio, developer tools, document AI, and blockchain data on Base. Payments in USDC; no API keys or subscriptions.

15 pay-per-request Algorand-mainnet endpoints for Fry Networks DeFi data (fleet telemetry, farm analytics, FRY rewards) and non-custodial on-chain action builders (staking, LP farming, P2P offers). Settled via GoPlausible facilitator in USDC.

13 general-purpose pay-per-call utility endpoints for agents at a flat $0.005 USDC: web search, URL reading, crypto prices, Wikipedia summaries, news, weather, FX rates, IP geolocation, DNS, trending tokens, stock quotes, WHOIS, and crypto market data.

TypeScript client SDK for Vybe Network's Solana analytics API using x402 micropayments. Supports HTTP pay-per-call and prepaid WebSocket streaming sessions; no API key or subscription required.

Multi-venue perpetual futures funding rate and real-world-asset spread API for arbitrage-aware AI agents. Four paid tools (current rates, spreads, oracle family classification, RWA coverage) at $0.001 USDC per call on Base; two free tools for venue listing and health.

Deterministic quant-finance API for agents: Black-Scholes with full Greeks, Kelly, Monte Carlo, Sharpe/Sortino/VaR/CVaR, GARCH, drawdown, plus paid composites (risk audit, hedge recs, options optimizer). ~73 tools; 1,000 free calls/day.

Live-data MCP with 11 tools pulling Twitter, Reddit, web, GitHub, Amazon and YouTube data for AI agents. Pay-per-call in USDC via x402.

Pre-trade endpoint health checker for trading agents: verifies a target x402 endpoint is fresh, fast, and live before a trade. Returns staleness, p95 latency, success rate, consecutive failures, and drift alerts. $0.002 USDC per check on Base mainnet.

51+ live pay-per-call endpoints for AI agents: sanctions screening, macroeconomic indicators, and company registry data across multiple jurisdictions. Sanctions data refreshed every 4 hours. Free US CPI preview endpoint. $0.002–$0.10 USDC on Base; no API key required.

27-endpoint crypto market data and agent-risk intelligence API: token prices/gas/trending/DeFi TVL/Fear-Greed/governance/NFT floors (all $0.002), plus risk gates — agent preflight, wallet scoring, credit, counterparty trust, and Polymarket trader classification.

Document intelligence API for AI agents: fetch any webpage or PDF as clean markdown (/read), convert unstructured text to schema-compliant JSON (/jsonify), compress long prompts (/token-reducer), and route queries through Claude with context optimization (/ask-cheap). USDC on Base.

37 keyless attested x402 tools for AI agents: OFAC/EU/UN sanctions screening, compliance bundles, company enrichment (SEC EDGAR, firmographics), token risk, domain intel, social signals, web search, and keyless Base RPC. Ed25519-signed responses; no API key or account needed.

DeFi and agent-intelligence MCP with 5 x402-gated tools: top yield pools (5 chains), SOL/ATOM staking router, semantic search over 500+ agent-economy research findings, live security threat intel, and an aggregated intel feed. Three free preview tools included. Pay per call in USDC on Base.

Real-time prediction market arbitrage scanner across Polymarket (1500+ markets), Kalshi (500+), and Myriad (118+). Refreshes every 7 seconds. Pay-per-call via x402: opportunities, historical spreads, price snapshots, and strategy metrics.

20 pay-per-request tools for AI agents covering web scraping, screenshots, PDF parsing, email validation, domain intel, and utilities. No API keys — USDC micropayments on Base via x402.

Pay-per-call API and MCP server for Japan's official NTA corporate registry: 5.76M corporations and 5.05M invoice registrations, monthly-refreshed. Endpoints for company lookup, invoice verification, business-day calendars, and daily change events. $0.002–$0.01 USDC on Base or Solana.

European company screening from official public registers across 8 countries — VAT validation, LEI lookup, EU/UN/MiCA sanctions screening, supplier due diligence — plus crypto market intelligence, web search, news, and LLM chat. All payable via x402 on Base.

Real-time Korean DART regulatory filing events for AI agents. Classifies 2,500+ daily corporate filings into 31 categories with English labels and materiality scores. Includes procurement bid data and an MCP server.

Cryptographically attested data marketplace for AI agents. Provides weather, markets, code, security, and knowledge feeds via MCP. Every response includes an EIP-712 signed receipt. On-demand queries pay USDC on Base via x402.

24 pay-per-call REST API endpoints for agents: web document reading, domain dossier, on-chain wallet risk screening, X (Twitter) and Instagram lookups, Polymarket data, crypto perpetuals, stablecoin monitoring, package risk assessment, and Google SERP.

Live Clash Royale metagame data for AI agents: dominant decks, matchup win rates, threat cards, and card-level benchmarks per trophy range. Pay per call in USDC.

8-tool MCP server for Solana/crypto/macro intelligence: wallet scan, password breach check, Jito MEV tip calculator, GitHub repo health audit, FRED macro series, Drift protocol exposure, and a premium content gate. Agents auto-pay in USDC on Base via x402; hosted on Vercel.

25 crypto market-data endpoints for AI agents: spot prices, BTC lead-lag signal, cross-exchange funding rates, DeFi yields, stablecoin peg health, macro Fear & Greed, ENS resolution, wallet snapshots. No API key; pay-per-call USDC on Base (JPYC on Polygon beta).

25 endpoints across 7 Norwegian and Scandinavian data services: Companies House (500k+ companies, board/CEO/financials), SEO backlinks (bhrefs), Aurora weather/marine, SSB statistics (3,785+ tables), property/address registry, public transport, and Schema.org validator. USDC on Base.

Cross-registry entity-ID resolver for AI agents: converts ambiguous company/person/asset names to verified canonical IDs (SEC CIK, GLEIF LEI, Wikidata QID, CoinGecko ID) in real time — prevents hallucinated identifiers. $0.005/call on Base, no account required.

Pay-per-call x402 API delivering ECDSA-signed BUY/SELL/HOLD signals for any active Kraken USD spot pair. Endpoints: single-pair signals ($0.01), market scan ($0.10), backtesting ($0.25), technical indicators ($0.005). Hash-chained audit trail; free preview endpoint.

10-tool crypto trading intelligence MCP: calibrated price forecasts, market signals, risk assessments, decision journals with PnL verification, and 819+ agent automation prompts. Pay per call with USDC on Base.

Validated equities and options market research for AI agents. Six endpoints covering volatility regimes, implied volatility, seasonal biases, Granger causality lead-lag maps, and cross-asset correlation regimes. Each response carries provenance metadata and a public performance scorecard.

Signed web attestations and x402 conformance grading for AI agents: URL snapshots with ed25519 signatures, change watchers, sports settlement proofs, and preflight verification of payment-endpoint safety.

Claim grounding and citation verification MCP server for AI agents. Checks a stated claim against live sources and returns a verdict, confidence score, and citations. Installable via `claude mcp add groundcheck -- npx -y groundcheck-mcp`. Free trial endpoint; paid verification via x402.

Real-time news and data wire for AI agents: 11 endpoints refreshed every 5 minutes covering news, SEC EDGAR filings, CVE advisories, federal regulations, weather alerts, earthquakes, arXiv papers, central bank announcements, Hacker News, and cloud incidents. $0.005–$0.01/call USDC on Base.

Agent-ready paid API shelf with 115+ x402-payable utility endpoints across web research, real estate, social media, public data, prediction markets, and developer tools; $0.005–$0.85 per call in USDC on Base.

Unified pay-per-call gateway for AI agents combining Google web search (Serper), neural/semantic search (Exa), URL scraping (Firecrawl), and Llama-3.1-8B LLM inference; $0.005–$0.015 per call, USDC on Base, no accounts needed.

Four-endpoint pay-per-call market data API on Algorand mainnet: grid-trading telemetry, multi-source crypto price checks, tuned grid parameters, and x402 conformance verification. Settled in USDC via GoPlausible facilitator.

MCP server giving AI agents access to 2,800+ APIs via x402 micropayments on Base at a flat $0.01 per call. No signup or API keys needed — browse, call, and pay in USDC per request via the @orbisapi/mcp npm package.

20+ Solana token intelligence endpoints: quick scan ($0.02), deep-dive risk ($0.50), exit check, market intel, trade execution via Jupiter, smart-money signals, social news pulse. Pay-per-call USDC on Base or Solana.

Pay-per-use API marketplace with 48 routes (26 paid + 21 free) spanning AI/LLM chat, image generation, OCR, crypto prices, weather, maps, QR codes, and text-to-speech. Pay in USDC on Base via x402; MCP-compatible via `npx goldbean-mcp`.

Pay-per-request crypto market data from CoinMarketCap — quotes, top listings, DEX token search, and DEX pair trading data. Also exposes an MCP server endpoint. $0.01 USDC per call on Base, no API key required. Currently in beta as part of the CMC AI Agent Hub.

50+ AI-powered data quality and enrichment APIs — company name matching, individual name matching, email validation, address standardization, company intelligence — payable per call via x402 USDC on Base. ~$0.01/call, no subscriptions.

Pay-per-use web scraping and structured JSON extraction for AI agents. POST /scrape at $0.01/request and POST /extract at $0.05/request. x402 USDC on Base; version 0.7.33 confirmed live.

Compliance and regulatory screening for AI agents: sanctions/watchlist checks (10 official lists), KYB lookups, identifier validation (IBAN, LEI, ISIN), jurisdiction risk, PII scanning, and LEI resolution.

Pay-per-use API toolkit for AI agents on Base: screenshot, PDF extraction, sentiment analysis, and market intelligence. USDC micropayments via x402, no API keys or subscriptions required.

AI oracle for crypto and tokenized NYSE markets with 27 live data feeds: BUY/SELL/HOLD signals, Polymarket edge detection, congressional trading intelligence, and cross-asset macro regime data.

105+ pay-per-call data APIs for AI agents across 13 categories including OSINT, prediction markets, legal/regulatory data, academic research, health, environmental monitoring, and government spending. USDC on Base; no account required.

OCR Japanese invoices (請求書) and receipts (領収書) into structured JSON with NTA qualified-invoice registry verification; pay $0.01–$0.04 per document in USDC on Base or Solana, no API key required.

Agent-native pay-per-call data APIs covering company intelligence, news search, job postings, app reviews, social trends, and Singapore property market analysis; USDC on Base, no API keys required.

971 intelligence API endpoints across 77 verticals — finance, healthcare, real estate, compliance, legal, sustainability, and more. Agents query with USDC on Base or Solana via x402; no accounts, API keys, or subscriptions.

980+ AI tools across 10 specialized MCP server collections — Lead Gen, Finance (253 tools), Social Media (96 tools), Web Scraping, Developer Tools, Content Research, Competitive Intel, Media Studio, Academic Research, and Marketing — all payable at $0.01 USDC per call on Base via x402.

AI-powered financial research API on Base. Offers SEC 10-K extraction, automated risk summaries from public filings, Kelly Criterion sizing, due diligence reports, and financial Q&A — pay-per-call in USDC.

No-KYC cross-chain crypto swap service (1,288+ assets aggregated across 3 providers) exposed as 10 MCP tools with market data. Pay-per-call in USDC on Base.

Global macroeconomic data API: 753 indicators across 298 countries (World Bank, FRED, OECD) exposed via 15 x402-protected endpoints, payable per call in USDC on Base.

43 live data endpoints for energy, crypto, finance and real estate intelligence, payable per query in USDC on Base ($0.02–$2.00). No API key or account required. MCP server available at mcp.lonestaroracle.xyz; also accepts credit card via Agent Wonderland.

Two YouTube intelligence endpoints for AI agents: transcript retrieval (official captions or Whisper, time-indexed paragraphs + chapters) at $0.03, and engagement analytics (views, likes, comments, ratios, composite score) at $0.02. Permanent cache on transcripts. USDC on Base mainnet.

Honey-variety and producer intelligence: proprietary flavor/provenance index covering 550+ beekeepers, variety catalog with color/texture/flavor/origin filters, and scientific citation database. Pay-per-call in USDC on Base.

Fail-closed AI trust layer: detects hallucinations, validates citations, traces claim provenance, screens for prompt injection, and redacts PII. Eight primary tools at $0.02–$0.03/call; also exposes a free web scanner. Reports a confidence score and evidence per verdict.

41 context-efficient MCP tools for AI agents — deterministic web extraction, search, and utilities, with a benchmarked 98.1% token reduction. Pay per tool call in USDC on Base via x402; no signup or subscription required.

Pay-per-query Kindle Direct Publishing niche intelligence: demand score, competition score, Amazon BSR range, monthly revenue estimate, review threshold to rank, and average book price. Cached results $0.03, live research $0.10. No API key; USDC on Base.

B2B data fulfillment MCP: 15+ live intelligence products (crypto market, India NSE, ESG, hiring signals, sports/wagering) at $0.03–$0.50/call, plus custom dataset orders quoted in minutes. Pays via x402 USDC on Base and Solana; custom orders also accept Stripe.

Semantic business intelligence search over 324+ curated x402 ecosystem entries. AI agents query a corpus of market intelligence and receive multi-model synthesized reports with agreement points and pricing patterns. $0.03–$0.15/query USDC on Base Mainnet.

8 pay-per-call endpoints for AI agents: real-time geophysics (KP-Index, Schumann resonance, solar wind), AI visibility scoring, full-page screenshot (Chromium), web scrape, web search (Brave + DuckDuckGo fallback), PDF text extraction, LLM summarize, and LLM translate. USDC on Base.

Provenance-stamped public-domain US government and scientific data (SEC EDGAR, FRED, NOAA, openFDA, USGS) with pay-per-record x402 access. Listed in the official MCP Registry.

76 live financial data endpoints for AI agents: US Treasury curves, 53 FRED economic series, forex rates, yield spreads, breakeven inflation, and composite macro dashboards. No API key required; pay per call in USDC on Base.

Competitive intelligence API with two x402-gated tools: analyze_competitor and batch_analyze, covering market entry, crypto protocol, venture screening, compliance, and acquisition research. Pay-per-call on Base and Solana.

Cryptographically-signed trading-strategy verifier. Submits a settled trade history and receives one of four Ed25519-signed verdicts: REAL_EDGE, REGIME_LUCK, NEGATIVE_EV, or INSUFFICIENT_DATA. Uses a chronological 70/30 train/test split with t-statistic gating.

On-demand crypto market microstructure metrics and prediction-market diagnostics for AI agents; covers VPIN, order-flow toxicity, Polymarket data, BTC options Greeks, and TVL momentum; $0.05–$0.25 per call, USDC on Base.

Pay-per-query API for US surplus lines (excess & surplus) insurance market data from 15 state stamping offices — premium volumes, carrier market share, policy counts, and catastrophe impact analytics. USDC on Base.

2026 NFL preseason rankings and draft board API for AI fantasy football agents: 412-player dump with 19 fields, half-PPR and full-PPR VOR boards for 320–543 players, plus a 14-day unlimited bundle. Payable via x402 on Base.

CFTC Commitments of Traders positioning data for 439 futures markets (agriculture, natural resources, financials) plus technical analytics for 52 assets. Pay-per-call in USDC on Base; no signup required.

Instagram influencer search MCP for AI agents: search by keyword, country, category, gender, and follower range. Returns username, followers, engagement, bio, business email (58% match), and audience demographics. Pay-per-search USDC on Base and Solana.

Multi-chain token-safety API with rug detection, honeypot simulation, and liquidity analysis producing deterministic 0–100 safety scores. Pay-per-call in USDC on Base via x402. Supports PulseChain, Monad, Base, and BSC.

Bittensor subnet allocation analysis for autonomous agents: model portfolio snapshots and allocation analysis endpoints, settled via x402 v2 through the Coinbase CDP facilitator on Base.

Universal MCP gateway aggregating 981 tools across 275 providers behind one endpoint. Pay-per-call with x402 USDC on Base (plus MPP USDC on Tempo). Single MCP URL for agents to reach many upstream APIs.

20,000+ web-scraping and automation Actors payable per-run by AI agents in USDC on Base. No Apify account or API key required.

19-tool MCP server for AI agents: 55+ LLMs, image/video generation, Polymarket/Kalshi/Limitless prediction markets, live web/X search, and on-chain queries across 40+ chains. Pay-per-call via x402 USDC on Base or Solana.

Pay-per-request LLM chat completions and MCP tool execution bridge on Solana USDC. Provides OpenAI-compatible endpoints and a native MCP interface — no API keys, no subscriptions.

120 live pay-per-call change-intelligence feeds for AI agents covering regulatory updates, security advisories, economic indicators, Congressional bills, SEC filings, OFAC sanctions, and drug approvals; USDC on Base with MCP server.

AI agent governance and intelligence platform exposing 100+ tools across finance, healthcare, real estate, crypto, and enterprise systems (Salesforce, Epic, Workday, HubSpot). Pay-per-call in USDC on Base via x402; responses include ML-DSA-65 post-quantum cryptographic attestation.

Context-aware PII sanitization MCP: redacts emails, phone numbers, national IDs (8 languages), private keys, and financial data across 5 domain modes. Each sanitization anchors a cryptographic proof on Solana. x402-compatible autonomous payment; 50-call free trial per wallet.

46-tool paid MCP server on a USDC-on-Base agent-to-agent payment rail: marketplace browsing, document conversion, and data fetching tools. EIP-3009 settlement; no API key required. Available as the @voidly/pay-mcp npm package.

Ecosystem explorer/aggregator for x402 (live at x402scan.com). Lets users and agents discover x402 servers, monitor on-chain transaction volumes, and call resources via an embedded wallet; aggregates facilitator configs and accepts community resource registration.

Real-time X (Twitter) data API/MCP with 7 pay-per-use endpoints: tweet lookup, tweet search, user lookup, follower check, article extraction, media download, and trends. No account or subscription required.