The agent economy, mapped
x402 endpoints, niches & revenue
The machine-payable web is growing fast — new APIs, new prices, new builders every week. We bring order to that noise: what’s available, where it clusters, and where real dollars are moving. So product teams, investors, and agents can decide with confidence, not guesswork.
Free to explore — no account, credit card, or API key required.
“The first place we check when sizing an x402 niche — catalog and spend in one view.”
“Honest revenue ranges beat false precision. This is how we frame market opportunity to LPs.”
See the map
Markets, not just listings
Every niche groups related capabilities and shows where demand is concentrating — the same view you get inside the explorer, pulled live from the index.
How it works
From noise to signal in four steps
- 1
Always-fresh data
New paid capabilities are indexed continuously — you are never deciding from yesterday’s catalog.
- 2
Structured niches
Thousands of endpoints become markets you can compare — players, prices, and positioning at a glance.
- 3
Commerce-backed insight
On-chain spend tied back to what’s listed — see what is earning, not just what exists.
- 4
Confident decisions
Find gaps before they close, size markets honestly, and route agents to capabilities that fit.
Explore
Five ways builders use Discovery
Find the right capability
Search the growing library of paid APIs and tools — discover what exists, who offers it, and what it costs.
Start searching →See the landscape by niche
Related capabilities grouped into markets you can actually reason about — not thousands of isolated listings.
Browse niches →Explore by taxonomy domain
Taxonomy-aligned groupings from semantic tagging — compare revenue across stable capability categories.
Browse domains →Spot underserved markets
Where demand is rising but supply is thin — the gaps worth building into before everyone else does.
View opportunities →Follow the money
Real payment flow behind the catalog — which capabilities are earning, and where spend is concentrating.
Explore wallets →Ready to see what agents can buy?
Search the catalog, drill into a niche, or follow the wallets behind the spend.
Start exploring for free →