{"rule_id":"AB-038","category":"payments","icon":"🏦","title":"Payment Facilitator","short_description":"Your payment requests specify a facilitator that can process the payment.","user_value":"A facilitator handles the payment mechanics. Without one, agents can't complete transactions.","wrong_example":"No facilitator specified. Agents don't know how to process the payment.","right_example":"A facilitator is specified, so agents know how to complete payment.","effort_hint":"complex","estimated_cost":"$100+","severity":"medium","pillar":"executability","version":"1.0.0","counted_in_score":true,"check":{"type":"content_parse","sources":["x402"],"target":"/.well-known/x402.json"},"fix":{"eligible":true,"type":"deterministic","note":"Add facilitator URL to x402.json"},"checklist_anchor":"#AB-038","checklist_url":"/agent-readiness-checklist#AB-038","html_url":"/rules/AB-038","json_url":"/rules/AB-038.json","related_rules":[{"rule_id":"AB-030","title":"Paid Endpoint Response","category":"payments"},{"rule_id":"AB-031","title":"Payment Challenge Decodable","category":"payments"},{"rule_id":"AB-032","title":"Payment Required Header","category":"payments"},{"rule_id":"AB-033","title":"Payment Recipient","category":"payments"},{"rule_id":"AB-034","title":"Payment Amount","category":"payments"},{"rule_id":"AB-035","title":"Payment Discovery File","category":"payments"},{"rule_id":"AB-070","title":"Lightning Payment Support","category":"payments"},{"rule_id":"AB-071","title":"Lightning Payment Details","category":"payments"},{"rule_id":"AB-088","title":"MPP (Machine Payments Protocol) Support","category":"payments"},{"rule_id":"AB-093","title":"SPT (Stripe Payment Terms) Support","category":"payments"}]}