x402 Data API

Verified, CLDR-versioned locale formatting for 120+ locales: currency amounts, numbers and dates per the official CLDR rules (de-CH apostrophe grouping, en-IN lakh, ja-JP zero decimals, Arabic-Indic digits), raw per-locale rules, and a /verify endpoint that checks YOUR formatted string against the canonical CLDR output before it lands in an invoice or document. Every response carries the CLDR/ICU version for auditability. $0.001 per call, USDC on Base via the Coinbase CDP facilitator. Free locale list.

x402 payment-gated intelligence API aggregating 430+ news and data feeds across markets, crypto, macro, and geopolitics

Safe web access for AI agents, paid per call in USDC on Base. Read any URL as clean Markdown with a prompt-injection scan ($0.002), live web search ($0.004), prompt-injection scan of untrusted text ($0.002), grounded answers with verbatim-checked citations ($0.015) and claim verification with verbatim-checked evidence ($0.02). Quotes that do not appear in the fetched source are dropped. Failed calls are never charged. No account or API key.

Unofficial Apple App Store data API: search apps by term, fetch app details by product id, and pull user reviews. Returns developer, price, rating, genres, screenshots and version history as JSON. $0.02 per call in USDC on Base.

Podcast intelligence for AI agents: transcripts and semantic search across episodes, guests and appearances, chart rankings, advertising and sponsor analytics, political-bias and brand-suitability analytics, plus companies, people and topics as one knowledge graph. 100+ REST endpoints and an MCP server (mcp.particle.pro) payable per request in USDC on Base via x402 v2 (Coinbase CDP facilitator), $0.01 to $0.04 per call, no API key or signup. Capability manifest at /.well-known/x402, x-payment-info on every payable operation in /openapi.json, Bazaar declarations on every 402.

Machine-payable air-quality queries over x402. GET /air?lat=&lon= returns the current US AQI and pollutant breakdown for any coordinates worldwide (Copernicus CAMS model), an EPA-based verdict on whether outdoor exercise is advisable, and the cleanest window in the next 7 days for a session of a given length. $0.01 per call, USDC on Base/Arbitrum/Polygon or XRP/RLUSD on XRPL. Free preview at /preview; OpenAPI at /openapi.json; discovery at /.well-known/x402. A ScalpStream agent.

FDA drug-approval catalyst change stream for US-listed biotechs: every state change of every catalyst we track — each PDUFA date as it is set, extended and resolved — with the real outcome (approval or CRL), the SEC filing quote and its EDGAR source. A superset of the upcoming calendar, as a since-cursor delta feed. Date accuracy AND coverage are published free at GET /v1/accuracy — audit before you pay. Flat price per request.

Pay-per-call x402 API by SuVerse Labs with around 500 data endpoints (crypto prices, DeFi TVL, FX rates, weather, IP geolocation, prediction markets) wrapping public sources. Settles in USDC on Base, Solana and Noble, typically $0.05 to $0.10 per call.

Extracts verified emails, social links, 40+ tech stack signals, pricing tiers, and company summary for GTM & research agents.

Pay-per-call network tools for agents: DNS records, WHOIS, TLS certificate check, email validation (MX, SMTP, disposable), IP geolocation, DNSBL blacklist check, HTTP headers. 0.002 to 0.005 USDC per call on Base, no API key or account.

21 pay-per-call data tools for AI agents, settled in USDC on Base via x402. US macro indicators (Treasury yield curve, BLS CPI, jobs, PCE, GDP, retail sales, housing starts, EIA energy, release calendar), SEC EDGAR filings (insider Form 4, XBRL financials, 13F holdings, filing feeds, full-text search), and on-chain EVM reads (token balances, portfolios, cross-chain balances, Chainlink oracle prices, gas). Every source is free public-domain US government data or direct on-chain reads, so there is no upstream vendor licence to lapse. Also available over MCP at /mcp. Prices run $0.001-$0.03 per call; failed upstream calls are never charged.

Indonesian news for AI agents: headlines by topic, keyword search, ranked briefings with keyword trends and top sources, a full 8-topic digest, and a brand coverage monitor with a 7-day timeline. Structured JSON, paid per call in USDC on Base via x402.

Executes live Google News RSS + HackerNews Algolia search queries and returns clean, token-pruned results with zero ad bloat.

Agent-ready business data, intelligence and procurement APIs, payable per request in USDC via x402. Provides company search, verification, profiles, directors, financials, risk, compliance, certifications, public contracts, funding opportunities, business intelligence and procurement data without API keys or subscriptions.

Commercial wine market data API for AI agents. Provides current wine prices, historical price trends, investment analytics, winery and producer discovery, Italian wine regions, DOC/DOCG denominations, sommelier intelligence, tasting profiles and food pairing. Paid per request via x402 V2 using USDC on Base.

Pay-per-request API for public social media data across TikTok, Instagram, YouTube, X, LinkedIn, Facebook, Reddit and other platforms, priced at $0.06 per call. Aggregates third-party scraping providers (Scrape Creators, Data365, Lightreel) behind one x402 endpoint set.

Pay-per-call MCP server: crypto market signals, clean web-page text extraction, and GitHub repo SEO audits. USDC settlement via x402. Three paid tools at 0.005 USD each.

Normalize, geocode, and parse Japanese addresses. x402-enabled for AI agents.

Signed, verifiable market-data endpoints from RC Quantum. Six paid products over x402 on Base: BTC performance history, hourly BTC intel, a cross-venue perpetual funding surface, a compact funding-regime read, a cross-asset macro event-risk surface, and a BTC DCA accumulation indicator. Every payload is Ed25519-signed and independently verifiable against a published key. Data, not investment advice.

Qonoro is an x402-native intelligence API for autonomous agents: structured, source-cited B2B intelligence and data enrichment, callable 24/7 with pay-per-call USDC on Base. Endpoints cover company enrichment, research & discovery, competitor and sales-signal analysis, lead qualification, person enrichment & search, hiring and job-change signals, intent signals, domain/tech intelligence, KYB entity verification, news sentiment, outbound personalization, and real-time validation/normalization utilities (email, phone, URL, address, domain resolution, NAICS). Every response is normalized JSON built for agent-to-agent workflows. All endpoints are live and x402-validated (indexed on Agentic/Bazaar via real settled USDC payments on Base). Per-call pricing starts at $0.005 depending on the endpoint. Additional intelligence agents are actively in development and will ship under the same api.qonoro.ai base. MCP server (PyPI): https://pypi.org/project/qonoro-mcp/

DNS, IP, AS, and Lightning Network intelligence. 53 endpoints covering DNS lookups, reverse DNS, IP geolocation, BGP/ASN analysis, reputation scoring.