{"name":"FraudDeflect agent-to-agent return or refund request","method":"POST","content_type":"application/json","fields":{"brand_domain":"required, e.g. walmart.com","name":"required","contact":"required, email or phone","address":"optional","order_number":"optional","card_last4":"optional, last 4 digits of the card used","card_descriptor":"optional, the charge text exactly as it appears on the card statement","date":"optional, purchase/transaction date YYYY-MM-DD","amount":"optional, transaction amount e.g. 49.99","message":"optional free text","submitted_by":"optional: human | agent","agent_id":"optional, your agent's name or handle","protocol":"optional, e.g. mastercard-agent-pay, visa-tap, ap2, acp, x402","approval_proof":"optional JSON proof the human approved the purchase/request (any protocol)"},"response":{"ok":true,"request_id":"uuid","status":"received","status_url":"check progress here"}}