Pay-per-call x402 security tools for tool-call preflight, prompt-injection detection, response sanitization and schema-drift detection.
Paid endpoints support x402 V2 with USDC on Base or Solana mainnet. Check the returned HTTP 402 payment requirements and network before paying; prepaid credits and subscriptions use separate authorized checkout flows.
POST /v1/tool-call-dry-runPOST /v1/tool-response-shieldPOST /v1/schema-drift-guard