{"artifact":{"apiPath":"/api/reports/mpp-vs-x402-for-production-buyers-2026/sources","byteLength":1547,"description":"Structured source ledger with source kinds, labels, notes, and URLs.","format":"sources","label":"Sources artifact","mimeType":"application/json; charset=utf-8","priceUsdc":0,"sha256":"4625375f769244d821f7535d0ae1756258ee0bec7fc453eadb28c7275613141e","status":"live"},"document":{"counts":{"ecosystem":2,"official":4,"total":6},"generatedAt":"2026-03-24T00:00:00.000Z","slug":"mpp-vs-x402-for-production-buyers-2026","sources":[{"kind":"official","label":"Tempo Mainnet launch","note":"Launch framing for Tempo, MPP, sessions, and the payments-directory story.","url":"https://tempo.xyz/blog/mainnet"},{"kind":"official","label":"Welcome to x402","note":"Canonical x402 documentation for the 402 handshake and facilitator model.","url":"https://docs.cdp.coinbase.com/x402/welcome"},{"kind":"official","label":"Stripe machine payments","note":"Support matrix covering MPP on Tempo and x402 on other rails.","url":"https://docs.stripe.com/payments/machine"},{"kind":"official","label":"Circle USDC","note":"Issuer-level context for the settlement asset that often sits beneath recurring stacks.","url":"https://www.circle.com/usdc"},{"kind":"ecosystem","label":"Crossmint protocols compared","note":"Crossmint comparison framing MPP, x402, and multi-rail agent commerce.","url":"https://www.crossmint.com/learn/agentic-payments-protocols-compared"},{"kind":"ecosystem","label":"Alchemy x402 vs MPP","note":"Buyer-oriented comparison useful for rollout-order framing.","url":"https://www.alchemy.com/blog/x402-vs-mpp-comparing-agent-payment-protocols"}],"title":"MPP vs x402 for Production Buyers, 2026"},"generatedAt":"2026-05-04T00:18:17.737Z","kind":"deep_report_sources","operatorAccess":null,"payer":null}