codex-lv2-may-2025

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🧪 Lesson 5 — Postman Code Generation (Level 3)

Tags: #lesson #level3 #postman #javascript #api Goal: Generate real API code from Postman and integrate it into your function.

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Overview

Now it’s time to get real weather data! You’ll use Postman’s code generation feature to create actual API calls that fetch live weather information.

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Steps

4. Code gen from Postman and paste into fetchNewOrleansWeather

• In Postman, open Open-Meteo request for New Orleans
  • latitude=29.95&longitude=-90.07&current_weather=true
• Click Code (</>) → JavaScript — Fetch
• Copy the entire snippet (fetch + then/catch)
• Paste it inside your fetchNewOrleansWeather function, replacing the console.log
• Test immediately:
  • In Console, call fetchNewOrleansWeather() → verify JSON response
  • Network shows a GET request to api.open-meteo.com on each call
  • Console shows the weather data
• Commit your changes to Git

Show me:

Show me:

💡 Understanding .then() and promises? See our Promise Reference Guide for detailed explanations.

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✅ Check Your Work

• Postman request is set up with correct coordinates
• Code is generated using JavaScript → Fetch option
• Generated code is pasted into your function
• Function call shows JSON response in console
• Network tab shows API request to open-meteo.com
• Changes are committed to Git

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🔗 Navigation

• ← Back to Main Lesson
• ← Previous: Level 2 - Button Challenge
• Next: Level 4 - Network Testing →

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Ready for the next level? Continue to Level 4: Network Testing

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