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Payments on Base + Solana

Payments on Base + Solana

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Honest comparisons of the ways teams protect AI agent payments, including when PayCheck isn't what you need.

Checking an x402 endpoint before your agent pays.Paying and hoping, writing your own checks, looking at on-chain explorers, or asking a trust layer first. How each approach protects an AI agent's x402 payments, and where it falls short.Spending limits for AI agents.A small prepaid wallet, provider spend caps, or per-agent payment authorization with limits, human review and signed receipts. How to keep AI agents from overspending on x402 payments.Screening payments before you settle them.x402 facilitators can settle without screening, build sanctions and wallet checks in-house, or call a pre-settlement screening API for OFAC sanctions, payout-wallet hijacks and overcharges.