{"name": "Donor Thank You Letter Generator", "nodes": [{"id": "n1", "name": "Donation Webhook", "type": "n8n-nodes-base.webhook", "typeVersion": 2.1, "position": [0, 0], "parameters": {"httpMethod": "POST", "path": "donor-thank-you", "responseMode": "responseNode"}}, {"id": "n2", "name": "Write Thank You Letter", "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 {subject:string, letter:string (warm, specific, impact-focused, includes how donation will be used, not generic)}. Donor: {{ $json.body.donor_name }}. Amount: {{ $json.body.amount }}. Campaign: {{ $json.body.campaign }}. Organization: {{ $json.body.org_name }}\"}]"}]}}}, {"id": "n3", "name": "Send Thank You", "type": "n8n-nodes-base.gmail", "typeVersion": 2.2, "position": [448, 0], "parameters": {"resource": "message", "operation": "send", "sendTo": "{{ $json.body.donor_email }}", "subject": "={{ JSON.parse($json.content[0].text).subject }}", "emailType": "html", "message": "={{ JSON.parse($json.content[0].text).letter }}", "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": {"Donation Webhook": {"main": [[{"node": "Write Thank You Letter", "type": "main", "index": 0}]]}, "Write Thank You Letter": {"main": [[{"node": "Send Thank You", "type": "main", "index": 0}]]}, "Send Thank You": {"main": [[{"node": "Respond", "type": "main", "index": 0}]]}}, "settings": {"executionOrder": "v1"}}