{"name": "Refund Request Handler + Auto Reply", "nodes": [{"id": "n1", "name": "Refund Request Webhook", "type": "n8n-nodes-base.webhook", "typeVersion": 2.1, "position": [0, 0], "parameters": {"httpMethod": "POST", "path": "refund-request", "responseMode": "responseNode"}}, {"id": "n2", "name": "Evaluate & Respond", "type": "n8n-nodes-base.httpRequest", "typeVersion": 4.4, "position": [224, 0], "parameters": {"method": "POST", "url": "https://api.anthropic.com/v1/messages", "sendHeaders": true, "headerParameters": {"parameters": [{"name": "x-api-key", "value": "YOUR_ANTHROPIC_API_KEY"}, {"name": "anthropic-version", "value": "2023-06-01"}, {"name": "content-type", "value": "application/json"}]}, "sendBody": true, "bodyParameters": {"parameters": [{"name": "model", "value": "claude-sonnet-4-6"}, {"name": "max_tokens", "value": "800"}, {"name": "messages", "value": "=[{\"role\":\"user\",\"content\":\"Return ONLY JSON {approved:bool, reason:string, email_response:string, escalate:bool, refund_amount:string}. Request: {{ $json.body.reason }}. Order: {{ JSON.stringify($json.body.order) }}. Policy: 30-day returns on unused items.\"}]"}]}}}, {"id": "n3", "name": "Send Refund Response", "type": "n8n-nodes-base.gmail", "typeVersion": 2.2, "position": [448, 0], "parameters": {"resource": "message", "operation": "send", "sendTo": "{{ $json.body.email }}", "subject": "=Your Refund Request \u2014 {{ JSON.parse($json.content[0].text).approved ? 'Approved' : 'Under Review' }}", "emailType": "html", "message": "={{ JSON.parse($json.content[0].text).email_response }}", "options": {}}, "credentials": {"gmailOAuth2": {"id": "YOUR_GMAIL_CREDENTIAL_ID", "name": "Gmail account"}}}, {"id": "n4", "name": "Respond", "type": "n8n-nodes-base.respondToWebhook", "typeVersion": 1.1, "position": [672, 0], "parameters": {"respondWith": "json", "responseBody": "={\"ok\":true,\"result\":\"{{ $json.content[0].text }}\"}"}}], "connections": {"Refund Request Webhook": {"main": [[{"node": "Evaluate & Respond", "type": "main", "index": 0}]]}, "Evaluate & Respond": {"main": [[{"node": "Send Refund Response", "type": "main", "index": 0}]]}, "Send Refund Response": {"main": [[{"node": "Respond", "type": "main", "index": 0}]]}}, "settings": {"executionOrder": "v1"}}