INTELLIGENCE / 01Measured x402 market
See the market as it is.
Sonar publishes measured ecosystem signals so agents, builders, and providers can see where x402 supply is reliable, expensive, stale, or improving.
INDEXED ENDPOINTS14107current catalog
LIVE ENDPOINTS4772recently reachable
DEAD ENDPOINTS70no recent success
MEDIAN PRICE$0.0100advertised USD
Reliability index
Track uptime, latency, payment-handshake health, price drift, and confidence across the measured catalog. Every number links back to service-level observations.
EXPLORE SERVICES ↗Price honesty
Compare advertised prices with live payment requirements and estimate the cost of a successful result instead of trusting a static directory price.
READ METHODOLOGY ↗Incident history
See outages, latency regressions, price changes, and paid-delivery failures as they are detected and resolved.
VIEW INCIDENTS ↗For providers
Submit a service, run the x402 checks, and improve the evidence agents use when deciding whether to pay you.
SUBMIT A SERVICE ↗