N8N_HOST=localhost
N8N_PORT=5678
N8N_API_KEY=your-api-key

{
  "name": "Workflow Name",
  "nodes": [],
  "connections": {},
  "settings": {
    "executionOrder": "v1"
  }
}

{
  "id": "unique-id",
  "name": "Display Name",
  "type": "n8n-nodes-base.nodetype",
  "typeVersion": 1,
  "position": [x, y],
  "parameters": {},
  "credentials": {}
}

{
  "Source Node": {
    "main": [
      [{"node": "Target Node", "type": "main", "index": 0}]
    ]
  }
}

{
  "name": "Webhook Handler",
  "nodes": [
    {
      "id": "webhook",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [250, 300],
      "webhookId": "my-webhook",
      "parameters": {
        "path": "my-endpoint",
        "httpMethod": "POST",
        "responseMode": "responseNode"
      }
    },
    {
      "id": "respond",
      "name": "Respond",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [450, 300],
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ $json }}"
      }
    }
  ],
  "connections": {
    "Webhook": {
      "main": [[{"node": "Respond", "type": "main", "index": 0}]]
    }
  }
}

{
  "id": "http",
  "name": "HTTP Request",
  "type": "n8n-nodes-base.httpRequest",
  "typeVersion": 4.2,
  "position": [450, 300],
  "parameters": {
    "method": "POST",
    "url": "https://api.example.com/endpoint",
    "authentication": "predefinedCredentialType",
    "nodeCredentialType": "myApiCredential",
    "sendBody": true,
    "specifyBody": "json",
    "jsonBody": "={{ JSON.stringify($json) }}"
  },
  "credentials": {
    "myApiCredential": {"id": "cred-id", "name": "My Credential"}
  }
}

{
  "id": "if",
  "name": "IF",
  "type": "n8n-nodes-base.if",
  "typeVersion": 2,
  "position": [450, 300],
  "parameters": {
    "conditions": {
      "options": {
        "caseSensitive": true,
        "leftValue": "",
        "typeValidation": "strict"
      },
      "conditions": [
        {
          "leftValue": "={{ $json.status }}",
          "rightValue": "success",
          "operator": {
            "type": "string",
            "operation": "equals"
          }
        }
      ],
      "combinator": "and"
    }
  }
}

{
  "id": "batch",
  "name": "Loop Over Items",
  "type": "n8n-nodes-base.splitInBatches",
  "typeVersion": 3,
  "position": [450, 300],
  "parameters": {
    "batchSize": 10,
    "options": {}
  }
}

curl -s "http://localhost:5678/api/v1/workflows" \
  -H "X-N8N-API-KEY: $N8N_API_KEY"

curl -s "http://localhost:5678/api/v1/workflows/{id}" \
  -H "X-N8N-API-KEY: $N8N_API_KEY"

curl -s -X POST "http://localhost:5678/api/v1/workflows" \
  -H "X-N8N-API-KEY: $N8N_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name": "New Workflow", "nodes": [...], "connections": {...}}'

curl -s -X PUT "http://localhost:5678/api/v1/workflows/{id}" \
  -H "X-N8N-API-KEY: $N8N_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name": "Updated", "nodes": [...], "connections": {...}}'

curl -s -X POST "http://localhost:5678/api/v1/workflows/{id}/activate" \
  -H "X-N8N-API-KEY: $N8N_API_KEY"

curl -s -X POST "http://localhost:5678/api/v1/workflows/{id}/deactivate" \
  -H "X-N8N-API-KEY: $N8N_API_KEY"

curl -s "http://localhost:5678/api/v1/executions?workflowId={id}&limit=10&includeData=true" \
  -H "X-N8N-API-KEY: $N8N_API_KEY"