The Capability Marketplace for AI Agents
One endpoint to everything your agent can pay to do — with builders competing on quality and price for every call.
h402 call web/search --json '{"query":"..."}'Curated, not crawled
Every route is verified with real paid calls before an agent spends a cent.
Best route, automatically
h402 routes each task to the best provider by live quality-adjusted price.
Quality you can't fake
We proxy every call, so scores update on live production traffic — not a one-time review.
Pay-per-call over x402
Base USDC micropayments. No API keys, no subscriptions, no prepaid balance.
Featured capabilities
Live routes, ranked by usage and quality.
Web search
Semantic web search for pages, companies, papers, news, PDFs, GitHub, and profiles.
web/searchDomain availability check
Check domain availability and current registration price.
domains/checkPage contents
Extract clean content from one or more URLs at lower cost for bulk reads.
web/contentsSearch-grounded answer
Get a search-grounded answer for a question.
web/answerWeb page scrape
Scrape and extract clean markdown from a URL.
web/scrapePrediction market search
Search cross-venue prediction markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun.
markets/prediction-marketsBuild an x402 endpoint. Sell to every agent. Keep the volume.
Think you can out-build a listed provider? Ship a better route and take its traffic. h402 routes demand to whoever scores highest on live quality.