✓Gold402 Verified Agent Wallets
CardZero
https://cardzero.ai Our Verdict
Gold402 Verified. Hand-reviewed and on the curated list — curation is the bar.
ERC-4337 smart contract wallets for AI agents. Owner-controlled spending rules (per-tx limits, daily caps, whitelist, freeze). x402 buyer support via `POST /v1/x402/pay`. [GitHub](https://github.com/mrocker/CardZero)
Rater Grades
No independent rater grade published for this endpoint yet. Our verdict is the Gold402 Verified stamp above.