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Use Redis To Rate Limit Your Low Code Api

Use Redis To Rate Limit Your Low Code Api. Uses airtable, redis. Webhook trigger; 11 nodes.

Webhook trigger★★★★☆ complexity11 nodesAirtableRedis
Data & Sheets Trigger: Webhook Nodes: 11 Complexity: ★★★★☆

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

Download .json
{
  "nodes": [
    {
      "name": "Airtable",
      "type": "n8n-nodes-base.airtable",
      "position": [
        1650,
        300
      ],
      "parameters": {
        "table": "Pokemon",
        "operation": "list",
        "additionalOptions": {}
      },
      "credentials": {
        "airtableApi": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "Redis",
      "type": "n8n-nodes-base.redis",
      "position": [
        600,
        600
      ],
      "parameters": {
        "key": "={{$json[\"apiKey\"]}}",
        "ttl": 3600,
        "expire": true,
        "operation": "incr"
      },
      "credentials": {
        "redis": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "Redis1",
      "type": "n8n-nodes-base.redis",
      "position": [
        1200,
        450
      ],
      "parameters": {
        "key": "={{$json[\"apiKey\"]}}",
        "operation": "incr"
      },
      "credentials": {
        "redis": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "Set1",
      "type": "n8n-nodes-base.set",
      "position": [
        1600,
        550
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "message",
              "value": "You exceeded your limit"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "name": "Webhook1",
      "type": "n8n-nodes-base.webhook",
      "position": [
        200,
        600
      ],
      "parameters": {
        "path": "a3167ed7-98d2-422c-bfe2-e3ba599d19f1",
        "options": {},
        "responseMode": "lastNode",
        "authentication": "headerAuth"
      },
      "credentials": {
        "httpHeaderAuth": "<your credential>"
      },
      "typeVersion": 1
    },
    {
      "name": "Function",
      "type": "n8n-nodes-base.function",
      "position": [
        1900,
        300
      ],
      "parameters": {
        "functionCode": " const limit = `Limit consumed: `+ $node['Redis1'].json[$node[\"Set2\"].json[\"apiKey\"]];\n return [\n  {\n    json: {\n      message:limit,\n      body: items.map(item => {\n        const name= item.json.fields.name\n        const url= item.json.fields.url\n        return {name,url}\n      })\n    }\n  }\n]\n"
      },
      "typeVersion": 1
    },
    {
      "name": "Set",
      "type": "n8n-nodes-base.set",
      "position": [
        400,
        600
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "apiKey",
              "value": "={{$json[\"headers\"][\"x-api-key\"] +'-'+ new Date().getHours() +'-'+ new Date().getMinutes()}}"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "name": "Set2",
      "type": "n8n-nodes-base.set",
      "position": [
        1000,
        450
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "apiKey",
              "value": "={{$node['Webhook1'].json[\"headers\"][\"x-api-key\"] +'-'+ new Date().getHours()}}"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "name": "Set3",
      "type": "n8n-nodes-base.set",
      "position": [
        1000,
        700
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "message",
              "value": "You exceeded your limit"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1
    },
    {
      "name": "Per hour",
      "type": "n8n-nodes-base.if",
      "position": [
        1400,
        450
      ],
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{$json[$node[\"Set2\"].json[\"apiKey\"]]}}",
              "value2": 60
            }
          ],
          "string": []
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Per minute",
      "type": "n8n-nodes-base.if",
      "position": [
        800,
        600
      ],
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{$json[$node[\"Set\"].json[\"apiKey\"]]}}",
              "value2": 10,
              "operation": "smallerEqual"
            }
          ]
        }
      },
      "typeVersion": 1
    }
  ],
  "connections": {
    "Set": {
      "main": [
        [
          {
            "node": "Redis",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set2": {
      "main": [
        [
          {
            "node": "Redis1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Redis": {
      "main": [
        [
          {
            "node": "Per minute",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Redis1": {
      "main": [
        [
          {
            "node": "Per hour",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Airtable": {
      "main": [
        [
          {
            "node": "Function",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Per hour": {
      "main": [
        [
          {
            "node": "Airtable",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Set1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Webhook1": {
      "main": [
        [
          {
            "node": "Set",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Per minute": {
      "main": [
        [
          {
            "node": "Set2",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Set3",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

About this workflow

Use Redis To Rate Limit Your Low Code Api. Uses airtable, redis. Webhook trigger; 11 nodes.

Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →

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