{"x402Version":2,"service":"Machine Inbox","enabled":true,"environment":"mainnet","network":"eip155:8453","asset":"USDC","payTo":"0x735de41A9B898149a0D8E1B85291d4eF03504b38","note":"x402 settles USDC on Base mainnet. The same endpoints also accept Stripe MPP; both challenges are advertised on the unpaid 402. The pro_inbox tier and included replies are Stripe MPP features.","paymentGuide":"https://machineinbox.com/llms.txt","endpoints":[{"method":"POST","path":"/api/v1/inboxes","price":"$2.00","description":"Create a seven-day inbox with replies included"},{"method":"POST","path":"/api/v1/inboxes/{inboxId}/extend","price":"$1.00","description":"Extend an active inbox by seven days"}]}