What is API?
A defined contract for how two pieces of software request and exchange data.
request → response · per contract
In real work
Review the API response fields the agent assumed before you call the endpoint in QA.
In the illustration
A request card shaped to the slot goes in, the drawer slides through the wall, and returns a response card whose fields match the engraved contract.
Call the weather API from your coding agent for one city, print the temperature, and handle the case where the city is not found.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.
More in Code Literacy
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