Question 1

What is x402?

Accepted Answer

x402 is a payment standard for AI agents, based on the HTTP 402 'Payment Required' status code. It enables autonomous agents to pay for services over HTTP with USDC settlement on Polygon Mainnet.

Question 2

What is Genesis X402?

Accepted Answer

Genesis X402 is the application layer and proof system built on top of the x402 standard. It demonstrates production agentic commerce where AI agents discover capabilities, pay for services, and generate verifiable on-chain receipts.

Question 3

How are x402 payments verified?

Accepted Answer

Every x402 payment emits a SettlementRecorded event on Polygon Mainnet. Each event includes requestId, payer, provider, amount, action type, and agent identity — all publicly verifiable on PolygonScan.

Question 4

What types of services can agents pay for?

Accepted Answer

The x402 standard supports four action types: AI_CALL (LLM inference), DATA (data retrieval), COMPUTE (GPU/CPU cycles), and STORAGE (persistence). Each is recorded with a specific action code on-chain.