Get the latest available price for any US-listed stock: the most recent 1-minute bar close plus today's OHLCV, change, and previous close. Currently 15 minutes delayed; each response carries `is_delayed: true`. Real-time pricing lands when the data plan is upgraded. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

GBP/CNY forex exchange rate — British pound to Chinese yuan — Ed25519 signed attestation

EUR/USD forex exchange rate — real-time euro to US dollar for FX trading and settlement — Ed25519 signed attestation

Web content extraction and search. Get clean markdown from any URL or search results.

Validate a CPSC CPC/GCC certificate row or CSV against all 7 statutory elements under 16 CFR 1110 / CPSA Section 14(a) eFiling (product ID, safety rule citations, US importer/manufacturer certifier, records custodian contact, manufacture date/place, test date/place, and CPSC-accepted third-party lab or determination). Supports GET query params and POST JSON/CSV. Templates & schema linting only — not legal advice.

Self-serve CPSC eFiling (16 CFR 1110 7-element CPC/GCC bulk-upload CSV template + ACE Reference PGA broker sheet) & EU GPSR (Regulation (EU) 2023/988 Articles 9/16/19 Amazon Manage Your Compliance CSV + checklist) SKU compliance template pack (.zip + JSON). Also available at alias /v1/x402/sku-compliance-templates. Templates and schema linting only — not legal advice.

Has this place been built on or cleared in the last 12 months? Sentinel-2 satellite change detection for any lat/lon: NDVI/NDBI deltas, change direction, confidence and the scene-by-scene evidence.

Rank publishers by political bias metric. Returns a paginated leaderboard ranking publishers by a chosen bias metric: most_left_leaning, most_right_leaning, most_political, most_diverse, most_monolithic, or most_analyzed. min_analyzed_podcasts

Filtered search over the full SEC Form 4 insider-trade database: combine insider role (CEO, CFO, Director...), trade type code (P=open-market buy, S=sale...), minimum/maximum dollar value, ticker, and filing-date range in one query. The power tool for screening high-signal insider activity (e.g. all CEO open-market buys over $1M this week). Returns JSON.

Lint an x402 endpoint URL for Coinbase CDP Bazaar discovery readiness without paying it: checks HTTP 402, x402 v2 PAYMENT-REQUIRED header, Base USDC option, >=1000 atomic minimum, EIP-3009 extra.name/version, and extensions.bazaar schema.

Horizon Pulse — real-time crypto market data + momentum signals (BTC/ETH/SOL) tuned for AI agents

Reference catalog of trade/quote condition codes (the numeric `conditions` seen on trades) with names, types, data types, and SIP mappings. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

The total US public debt outstanding to the penny — the headline national-debt figure — split into debt held by the public and intragovernmental holdings, with the latest value, prior business day, day-over-day change, and recent history. No ticker needed. Updates each business day. Sourced from the US Treasury (FiscalData). Pass `?limit=` for more history (default 30, max 250). From x402stock

Search the official UK company register (Companies House) by company name. Returns up to 10 matches with company number, status, incorporation date and postcode.

Convert Amazon ASINs to barcodes. Provide up to 10 ASINs and the Amazon marketplace locale, and each ASIN maps to an array of barcodes, empty when none were found.

Google Trends search interest for up to 5 terms: a relative 0-100 popularity series over time, with per-keyword average and latest value. For content timing, seasonality and demand research. Optional location (default worldwide), timeframe (7d/30d/90d/12m/5y, default 12m) and type (web/news/youtube). found=false when no data.

Convert retailer product page URLs to barcodes. Provide full URL strings, and each URL maps to an array of barcodes, empty when none were found.

Live fiat FX rates (Frankfurter/ECB primary, open.er-api fallback) for cross-border agents

Self-contained 'x402 + MCP Server in a Box' FastAPI starter kit (JSON files dict + base64 .zip archive): Base USDC x402 v2 verification with extensions.bazaar schema, pre-settlement OFAC SDN screener, Streamable HTTP MCP server skeleton, and IRS Schedule C tax CSV logger.

Compute required sample size per variant for 80% power and alpha=0.05 given baseline conversion rate and relative MDE.