Live Base wallet balance for AI agents. Returns native ETH and Circle USDC balances, atomic values, block height, contract address, and observation time for any EVM address. Includes a machine-readable upgrade path to treasury readiness for spend, gas-reserve, and wallet-health decisions. No API key.

Batch URL validation for AI agents. Check up to 10 citations, links, websites, or API endpoints in one payment. Returns reachability, exact status, latency, content type, final URL, and safe redirects; partial failures stay isolated.

Audit why an x402 API is not generating revenue. This full seller-intelligence report analyzes Coinbase Bazaar ranking, exact buyer searches, listing defects, competitor pricing, live payment reliability, 30-day payer signals, and Base USDC activity, then returns three prioritized revenue fixes. No account or API key.

Verify an x402 purchase before an AI agent signs. Validate the live HTTP 402 challenge, Base network, USDC asset, quoted price, recipient, price ceiling, buyer funding, optional gas reserve, and destination hazards, then receive a machine-readable safe-to-sign, fund, review, or reject decision. No account or API key.