Checks whether a given URL is accessible to basic agents and browsers. Returns HTTP status, robots.txt availability, and whether any challenge is detected.
Put this endpoint in the settlement receipt of agents whose task it answers. You pay only when the recommendation converts on-chain.
This endpoint shares a payment address with 3 other resources on api.x402dataapi.com, so the breakdown below is shown at the server level — per-resource activity can't be isolated on-chain for shared addresses.