{"type":"article","schemaVersion":"1","slug":"x402-payments","title":"x402: Machine-to-Machine Payments for the Agentic Web","description":"The x402 protocol enables AI agents to pay for API calls autonomously using HTTP 402 Payment Required. Learn how machine-to-machine payments work with HBAR on Hedera.","status":"LIVE","topics":["x402","payments","hedera","machine-to-machine","archive"],"concepts":["machine-payments","pay-per-request","agentic-commerce"],"rules":["AB-030","AB-031","AB-032"],"capabilities":["x402-payment","paid-api-access"],"actions":[{"type":"read","label":"Read article (Markdown)","url":"https://agentbadge.xyz/blog/x402-payments.md"},{"type":"view-demo","label":"Run Agent Readiness scan","url":"https://agentbadge.xyz/scan?src=article:x402-payments"}],"qa":[{"question":"Short Answer: What Is x402?","answer":"x402 is a protocol where:"}],"claims":[{"id":"claim-1","text":"x402 enables AI agents to pay for API calls autonomously using HTTP 402 Payment Required.","status":"VERIFIED","evidence":[{"type":"demo","url":"https://agentbadge.xyz/.well-known/x402.json"}]}],"canonical":"https://agentbadge.xyz/blog/x402-payments","dates":{"published":"2026-08-10","modified":"2026-08-10"},"markdownUrl":"https://agentbadge.xyz/blog/x402-payments.md","jsonUrl":"https://agentbadge.xyz/blog/x402-payments.json","shortAnswer":"x402 enables AI agents to pay for API calls autonomously using HTTP 402 Payment Required. Agents receive a payment challenge, complete it with HBAR on Hedera, and retry the request — all without human intervention. It's machine-to-machine commerce for the agentic web.","technologies":["x402","HTTP-402","HBAR","Hedera","USDC"],"entities":["x402-protocol","hedera","hbar"],"relatedResources":[{"type":"guide","label":"Agent guide","url":"https://agentbadge.xyz/agent-guide/articles/hedera-blockchain-for-agents"}]}