{"product_id":"x402-integration-checklist","title":"x402 Integration Checklist","description":"\u003cp\u003e\u003cb\u003eReview an x402 integration from HTTP challenge through payment verification and resource delivery.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003ex402 Integration Checklist is a 4-page PDF field guide. HTTP challenges, payment verification and resource-delivery checks.\u003c\/p\u003e\u003cp\u003e• Challenge precisely: Terms must be parseable and bound to the actual resource request.\u003c\/p\u003e\u003cp\u003e• Verify before work: Confirm proof, amount, asset, recipient and freshness before expensive execution.\u003c\/p\u003e\u003cp\u003e• Make fulfillment deterministic: The same valid paid request should not produce conflicting billing outcomes.\u003c\/p\u003e\u003cp\u003e• Observe every stage: Logs should distinguish quote, payment verification, execution and delivery acceptance.\u003c\/p\u003e\u003cp\u003eAction checklist: Choose supported network and asset; Create signed or integrity-protected terms; Add replay and idempotency controls; Test insufficient and expired payments; Return structured receipts; Run recovery and reconciliation drills.\u003c\/p\u003e\u003cp\u003eUse the current x402 specification; examples may change as the protocol evolves.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394627318065,"sku":"SML-X402-009","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/x402-integration-checklist.jpg?v=1789926432","url":"https:\/\/shop.scriptmasterlabs.com\/products\/x402-integration-checklist","provider":"My Store","version":"1.0","type":"link"}