t54.ai exposes 4 paid x402 endpoints on Base, covering x402, server-health, and api-monitoring. Pay per request in USDC.
Discover and filter available x402 payment-gated API endpoints from the t54.ai registry. Search by name or URL, filter by status (active/inactive), data source (Coinbase Bazaar or x402scan community), and payment address presence. Results include security risk levels, validation timestamps, and overall reliability scores to help you select trustworthy endpoints for your workflows.
Verify the operational status and health of x402-compatible API servers on the Heurist network. Returns server validation details including response time, payment requirements, and connectivity status to help identify working endpoints for your workflows.