# x402 can ask an agent to pay. AffixIO proves whether it should. URL: https://www.affix-io.com/x402-payment-verification/ Brand: AffixIO Page type: SEO and AEO landing page for agentic payments, AI shopping agents and payment proof. Summary: How AffixIO complements x402 by verifying AI agent permission before HTTP 402 payment requests become spend. AffixIO positioning: AffixIO sits before payment rails, checkout flows, paid APIs and MCP tool calls. It verifies whether an AI agent should be allowed to act, then returns signed evidence for audit. Important search terms: x402 payments, HTTP 402 payments, x402 agent payments, paid API agents, machine payment proof, agentic payments, AI checkout, agent verification, signed proof, delegated consent. Third-party names are mentioned as market examples, not partnership claims, unless a specific integration page says otherwise. Primary conversion page: https://www.affix-io.com/agentic-pay/ SDK: https://www.npmjs.com/package/affixio