Top coin categories ranked by market cap: DeFi, NFTs, L1, L2, gaming, etc. 24h change, volume, top 3 coins per category (CoinGecko).

Enumerate a site's URLs from robots.txt + sitemap.xml (sitemap-index aware) — map a domain before crawling it

Parse an RSS/Atom feed into structured items (title, link, published, summary) — or auto-discover the feed from a site URL

DEX aggregator routing and quoted execution across venues.

ENS name resolution in both directions: an .eth name to its address, or an address to its primary ENS name, with the avatar when set. Query: ?name=vitalik.eth or ?address=0xd8dA…

What has this token done over the last N days? Up to 365 days of OHLCV returned candlestick-ready, with the period price change already computed — a chart or backtest input in one call instead of a raw series you have to align and diff yourself.

Full x402 market-intelligence report from a complete CDP Bazaar dump: demand-to-supply ratio for every tag with HOST CONCENTRATION so an incumbent's garden is not mistaken for an opening, price percentiles for resources that actually earn (broken out by category), the high-value tier charging $50-$3,208 per call, and calls-per-payer retention for the top 30 earning hosts. Answers what to build, what to charge, and what to avoid. Free preview at GET /intel/x402/preview.

Fetch a URL and return its main content as clean Markdown (boilerplate stripped)

$0.0005/MB. Turn a video segment into a palette-optimized animated GIF — share-ready loops. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.001/page. Rasterize PDF pages to PNG or JPEG — previews, thumbnails, vision-model input. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.0005/MB. Normalize audio loudness to broadcast EBU R128 — LUFS, true-peak, and range targets. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.0005/MB. Speed up or slow down audio/video — pitch-preserving by default. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.0005/MB. Mix multiple audio tracks down to one (amix), optional loudness normalize — voiceover + music in one call. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Call OpenAI's gpt-5.6-luna via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.06 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output.

Get leaderboard for a specific market

Find tickers by free-text `?search=` (name or symbol) across asset classes via `?market=stocks|crypto|fx|indices` (default stocks), with optional `?type=`, `?exchange=`, `?active=`, `?limit=`. Returns symbol, name, market, exchange, type, and identifiers. Use to discover crypto pairs (X:BTCUSD), FX pairs (C:EURUSD), and index symbols (I:SPX). From x402stock

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

Trusted server time API for AI agents — ISO 8601 UTC timestamp, $0.001 USDC on Base per call. Use when your agent needs reliable current time.

$0.0005/MB. Watermark an image or logo onto a video — position and opacity control. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.001/page. Diagnose and rewrite a damaged PDF — recover files other tools reject. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny