Native ETH balance (and live USD value) for any base address.

Robots.txt inspection API for agents at $0.01 USDC. Call when you need crawl rules and sitemap hints before indexing or scraping a domain. Use for SEO preflight and polite crawlers via x402—no API key, no subscription.

Pay-per-call: x402 batch honesty probe

Stock quote API for AI agents — get a live/latest US equity price and volume reading for one ticker from the first available real provider.

Before your agent sends ETH/USDC to any base address: check whether it is safe. Returns contract-vs-wallet, native balance, USDC balance, nonce/activity, and a 0-100 risk score with reasons. Use this to avoid paying a dead or wrong address.

Stock news headline API. Get the latest available market headline for a ticker symbol from a live data provider.

Render CommonMark + GFM markdown to HTML.

Pay-per-call: US federal business-day calendar

Weather for any coordinate. Current (default): temperature (C), relative humidity (%), wind speed, weather code — real-time. Historical: add start_date & end_date (YYYY-MM-DD, up to 92 days per call, archive lags ~5 days) for hourly history — backtest weather-sensitive strategies (energy, agriculture, logistics). Inputs: lat, lon, start_date?, end_date?. Keyless (Open-Meteo).

GLM pricing table: what every GLM model costs per token right now — GLM-4.6, GLM-4.5 Air — from Zhipu AI and every provider that resells or hosts them (Bedrock, Azure, Vertex, OpenRouter, Fireworks). Input, output, cache and batch USD per 1M tokens, sorted cheapest first, so you can compare GLM inference cost across hosts and pick the cheapest place to run one. Normalized, cross-checked, refreshed hourly.

Read from a wallet-scoped namespace.

Prediction-market odds API — return one sourced odds line or no_market for a caller question after canonical x402 settlement; deferred settlement, 4xx validation failures never settle.

Anthropic pricing table: per-token cost of every AI model Anthropic serves, in one call — input, output, cache and batch USD per 1M tokens, ranked cheapest first, with context window and capability flags joined in. Compare LLM token cost inside Anthropic and against other providers hosting the same model. Normalized from public sources, cross-checked, refreshed hourly.

Gemma pricing table: what every Gemma model costs per token right now — Gemma 3, Gemma 2 — from Google and every provider that resells or hosts them (Bedrock, Azure, Vertex, OpenRouter, Fireworks). Input, output, cache and batch USD per 1M tokens, sorted cheapest first, so you can compare Gemma inference cost across hosts and pick the cheapest place to run one. Normalized, cross-checked, refreshed hourly.

Snowflake Cortex pricing table: per-token cost of every AI model Snowflake Cortex serves, in one call — input, output, cache and batch USD per 1M tokens, ranked cheapest first, with context window and capability flags joined in. Compare LLM token cost inside Snowflake Cortex and against other providers hosting the same model. Normalized from public sources, cross-checked, refreshed hourly.

File what you want to buy from an agent-facing API and cannot buy today. Optional kind is typically one of coin, country, vies_country, monitor_host, sms_service — free-form values possible. The $0.01 fee is there to keep intents honest, not to sell you anything: it is not a purchase of the capability and no promise that it gets built. Optionally add the price per call you would pay and your expected monthly volume. Free alternative: POST /agent/request.

Look up a MIME type by file extension.

Currency conversion API for AI agents — convert an amount between currencies using official ECB reference-rate data; one-shot x402 call with optional volume credits.

Mistral pricing table: what every Mistral model costs per token right now — Mistral Large, Mixtral, Codestral, Magistral — from Mistral AI and every provider that resells or hosts them (Bedrock, Azure, Vertex, OpenRouter, Fireworks). Input, output, cache and batch USD per 1M tokens, sorted cheapest first, so you can compare Mistral inference cost across hosts and pick the cheapest place to run one. Normalized, cross-checked, refreshed hourly.

Search bounded Wikidata entity metadata for $0.001 USDC. Returns stable IDs, labels, descriptions and source links for public places, companies and concepts—not geocoding, navigation, contact data, personal profiling or general web search.