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error-handling Scenario 3 — Handle HTTP 429 with Retry-After

Written by RTILA X Engineering Team

Intermediate ~6 min
Prerequisites: error-handling/1 error-handling/2

What You'll Learn

Simulate offline conditions and retry

Real-World Use Case

Testing network resilience

LIVE DEMO

Status: 429 Too Many Requests
Retry-After: 5 seconds
EXPECTED OUTPUT

RTILA X PROJECT JSON 

    {
  "name": "Handle_HTTP_429_Retry_After",
  "settings": {
    "urls": [
      "https://learn.rtila.com/scenarios/error-handling/3"
    ]
  },
  "datasets": {
    "api_data": {
      "item_selector": "css=table.rate-limit-data tbody tr",
      "properties": [
        {
          "name": "endpoint",
          "type": "text",
          "selector": "css=td:nth-child(1)"
        },
        {
          "name": "status",
          "type": "text",
          "selector": "css=td:nth-child(2)"
        },
        {
          "name": "latency",
          "type": "text",
          "selector": "css=td:nth-child(3)"
        }
      ]
    }
  },
  "commands": [
    {
      "command": "wait_for_selector",
      "params": {
        "selector": "css=.api-status"
      }
    },
    {
      "command": "if",
      "params": {
        "condition": {
          "type": "script",
          "expression": "document.querySelector('.api-status').textContent.includes('429')"
        },
        "then": [
          {
            "command": "wait",
            "params": {
              "timeout": 5000
            }
          },
          {
            "command": "goto",
            "params": {
              "url": "https://learn.rtila.com/scenarios/error-handling/3"
            }
          }
        ],
        "else": []
      }
    },
    {
      "command": "wait_for_selector",
      "params": {
        "selector": "css=.api-data"
      }
    },
    {
      "command": "extract_data",
      "params": {
        "dataset": "api_data"
      }
    }
  ]
}

RTILA X Concepts

HTTP 429 responses include a Retry-After hint. The automation detects the rate-limit status, waits for the suggested delay, and navigates again to access the successful API data.

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This scenario covers 2 RTILA X commands and is referenced in 1 learning article.

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