Handle Rate Limit Errors in SudoMock

The workflow JSON

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{
  "name": "SudoMock - Rate Limit Error Handling Test",
  "nodes": [
    {
      "parameters": {},
      "id": "a1a1a1a1-a1a1-a1a1-a1a1-a1a1a1a1a1a1",
      "name": "When clicking Test workflow",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        240,
        380
      ]
    },
    {
      "parameters": {
        "operation": "getAccountInfo"
      },
      "id": "b2b2b2b2-b2b2-b2b2-b2b2-b2b2b2b2b2b2",
      "name": "Get Account Info",
      "type": "n8n-nodes-sudomock.sudoMock",
      "typeVersion": 1,
      "position": [
        460,
        380
      ],
      "continueOnFail": true,
      "notes": "Enable 'Continue On Fail' to catch rate limit errors"
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict"
          },
          "conditions": [
            {
              "id": "condition1",
              "leftValue": "={{ $json.statusCode }}",
              "rightValue": 429,
              "operator": {
                "type": "number",
                "operation": "equals"
              }
            }
          ],
          "combinator": "and"
        },
        "options": {}
      },
      "id": "c3c3c3c3-c3c3-c3c3-c3c3-c3c3c3c3c3c3",
      "name": "Check if Rate Limited",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        680,
        380
      ],
      "notes": "Check if we got a 429 error"
    },
    {
      "parameters": {
        "amount": "={{ $json.retryAfter || 60 }}",
        "unit": "seconds"
      },
      "id": "d4d4d4d4-d4d4-d4d4-d4d4-d4d4d4d4d4d4",
      "name": "Wait (Retry-After)",
      "type": "n8n-nodes-base.wait",
      "typeVersion": 1,
      "position": [
        900,
        280
      ],
      "notes": "Wait for the time specified in retryAfter field"
    },
    {
      "parameters": {
        "operation": "getAccountInfo"
      },
      "id": "e5e5e5e5-e5e5-e5e5-e5e5-e5e5e5e5e5e5",
      "name": "Retry Request",
      "type": "n8n-nodes-sudomock.sudoMock",
      "typeVersion": 1,
      "position": [
        1120,
        280
      ],
      "notes": "Retry the request after waiting"
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "error_type",
              "value": "={{ $('Get Account Info').item.json.errorType || 'unknown' }}"
            },
            {
              "name": "error_message",
              "value": "={{ $('Get Account Info').item.json.error || 'No error' }}"
            },
            {
              "name": "retry_after_seconds",
              "value": "={{ $('Get Account Info').item.json.retryAfter || 0 }}"
            },
            {
              "name": "rate_limit_type",
              "value": "={{ $('Get Account Info').item.json.errorDetails?.type || 'N/A' }}"
            },
            {
              "name": "limit",
              "value": "={{ $('Get Account Info').item.json.errorDetails?.limit || 'N/A' }}"
            },
            {
              "name": "current_usage",
              "value": "={{ $('Get Account Info').item.json.errorDetails?.current || 'N/A' }}"
            },
            {
              "name": "remaining",
              "value": "={{ $('Get Account Info').item.json.errorDetails?.remaining || 'N/A' }}"
            }
          ]
        },
        "options": {}
      },
      "id": "f6f6f6f6-f6f6-f6f6-f6f6-f6f6f6f6f6f6",
      "name": "Show Rate Limit Details",
      "type": "n8n-nodes-base.set",
      "typeVersion": 2,
      "position": [
        900,
        480
      ],
      "notes": "Display detailed rate limit error information"
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "status",
              "value": "=\u2705 Request successful (no rate limit)"
            },
            {
              "name": "account_email",
              "value": "={{ $json.data?.account?.email || 'N/A' }}"
            },
            {
              "name": "plan",
              "value": "={{ $json.data?.subscription?.plan?.name || 'N/A' }}"
            },
            {
              "name": "credits_remaining",
              "value": "={{ $json.data?.usage?.credits_remaining || 'N/A' }}"
            }
          ]
        },
        "options": {}
      },
      "id": "g7g7g7g7-g7g7-g7g7-g7g7-g7g7g7g7g7g7",
      "name": "Success Response",
      "type": "n8n-nodes-base.set",
      "typeVersion": 2,
      "position": [
        900,
        380
      ],
      "notes": "Normal success path - no rate limit"
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "name": "retry_status",
              "value": "=\u2705 Retry successful after rate limit"
            },
            {
              "name": "account_email",
              "value": "={{ $json.data?.account?.email || 'N/A' }}"
            },
            {
              "name": "waited_seconds",
              "value": "={{ $('Wait (Retry-After)').item.json.retryAfter || 60 }}"
            },
            {
              "name": "plan",
              "value": "={{ $json.data?.subscription?.plan?.name || 'N/A' }}"
            }
          ]
        },
        "options": {}
      },
      "id": "h8h8h8h8-h8h8-h8h8-h8h8-h8h8h8h8h8h8",
      "name": "Retry Success",
      "type": "n8n-nodes-base.set",
      "typeVersion": 2,
      "position": [
        1340,
        280
      ],
      "notes": "Successful retry after rate limit"
    },
    {
      "parameters": {
        "content": "## Rate Limit Test Workflow\n\nThis workflow demonstrates proper handling of SudoMock API rate limits.\n\n### Flow:\n1. **Get Account Info** (with Continue On Fail enabled)\n2. **Check if Rate Limited** (429 status code?)\n3. **If Rate Limited:**\n   - Extract `retryAfter` value\n   - Wait for specified seconds\n   - Retry request\n   - Show success\n4. **If Not Rate Limited:**\n   - Show success response\n\n### Rate Limit Types:\n- **rate_limit_exceeded**: 1000 requests/minute limit\n- **concurrent_limit_exceeded**: Plan-based concurrent operations\n\n### Error Output Fields:\n- `errorType`: Type of rate limit\n- `error`: User-friendly message\n- `retryAfter`: Seconds to wait\n- `errorDetails`: Full error object with limit/current/remaining",
        "height": 460,
        "width": 380,
        "color": 4
      },
      "id": "i9i9i9i9-i9i9-i9i9-i9i9-i9i9i9i9i9i9",
      "name": "Info",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        240,
        560
      ]
    }
  ],
  "connections": {
    "When clicking Test workflow": {
      "main": [
        [
          {
            "node": "Get Account Info",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Account Info": {
      "main": [
        [
          {
            "node": "Check if Rate Limited",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check if Rate Limited": {
      "main": [
        [
          {
            "node": "Wait (Retry-After)",
            "type": "main",
            "index": 0
          },
          {
            "node": "Show Rate Limit Details",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Success Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Wait (Retry-After)": {
      "main": [
        [
          {
            "node": "Retry Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Retry Request": {
      "main": [
        [
          {
            "node": "Retry Success",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "staticData": null,
  "tags": []
}

About this workflow

SudoMock - Rate Limit Error Handling Test. Uses n8n-nodes-sudomock. Event-driven trigger; 9 nodes.

Source: https://github.com/sudomock/n8n-nodes-sudomock/blob/main/examples/rate-limit-test-workflow.json — original creator credit. Request a take-down →

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