Using an API like a developer

Dev scenario: Retrieve weather info

Simple implementation

Fancy implementation

Choosing a weather API

Activity 2a: Explore the OpenWeatherMap API

Activity 2b: Get OpenWeatherMap authorization keys

Submitting requests

Activity 2c: Make requests with Postman

curl

curl --request GET "https://api.openweathermap.org/data/2.5/weather?zip=95050&units=imperial&appid=APIKEY"

cURL commands

Analyze responses

JSON objects:

{
"key1":"value1",
"key2":"value2"
}

JSON arrays:

["first", "second", "third"]

Activity 2d: Make requests with curl

Log the response to the console

Use dot notation to access values

Temperature:

response.main.temp

Wind speed:

response.wind.speed

Wind direction:

response.wind.deg

Activity 2e: Make an API request on a web page

Questions?