## The Power of API Integration An agent without APIs is limited. Connected to APIs, it's unstoppable. ## Common APIs for Agents * **Data** : Stripe, Shopify, Salesforce * **Communication** : Slack, Gmail, Twilio * **Weather** : OpenWeather, WeatherAPI * **Research** : Google Search, Wikipedia * **Analytics** : Google Analytics, Amplitude ## Creating API Tools import requests def get_weather(city: str) -> str: """Get current weather for a city""" response = requests.get( f"https://api.openweathermap.org/data/2.5/weather?q={city}&appid={API_KEY}" ) data = response.json() return f"{data['main']['temp']}°C in {city}" from langchain.tools import tool @tooldef weather_tool(city: str) -> str: """Get weather for a city""" return get_weather(city) ## Error Handling def safe_api_call(func, *args, **kwargs): try: return func(*args, **kwargs) except TimeoutError: return "API timeout - try again" except requests.exceptions.ConnectionError: return "Connection failed - check internet" except Exception as e: return f"Error: {str(e)}" ## Rate Limiting from functools import wraps import time def rate_limit(calls_per_second: float): min_interval = 1.0 / calls_per_second last_called = [0.0] def decorator(func): @wraps(func) def wrapper(*args, **kwargs): elapsed = time.time() - last_called[0] if elapsed < min_interval: time.sleep(min_interval - elapsed) result = func(*args, **kwargs) last_called[0] = time.time() return result return wrapper return decorator ## Real-World Integration Connecting to Slack: from slack_sdk import WebClient client = WebClient(token=SLACK_TOKEN) @tooldef send_slack_message(channel: str, text: str) -> str: """Send message to Slack channel""" response = client.chat_postMessage( channel=channel, text=text ) return f"Message sent to {channel}" ## Best Practices ✅ Secure API keys in environment variables ✅ Implement timeout handling ✅ Log all API calls ✅ Cache responses when possible ✅ Test with mock APIs first ✅ Monitor API usage & costs ✅ Handle rate limiting gracefully ## The Future Agents that integrate 10+ APIs will be standard in 2026. **What APIs are you connecting to your agents?**

Explore Synoptic's updated Demo Page, an interactive tool designed to help new and existing users get hands-on with the Synoptic Weather API without any setu...

Build a weather API that fetches and returns weather data from a 3rd party API.

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