What does an API mainly let programs do?
AnswerCommunicate with each other using agreed rules
APIs define requests and responses so different programs can work together.
Coding · Facts & stats
API facts & stats
7 fact-checked facts about APIs, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which HTTP method is typically used to retrieve data?
AnswerGET
GET requests read data from a server without changing it.
Going deeper
What does REST stand for in web APIs?
AnswerRepresentational State Transfer
REST is an architectural style for APIs built around resources and standard HTTP methods.
Which HTTP method is commonly used to create a new resource?
AnswerPOST
POST sends data to the server, often creating a new record.
What does HTTP status code 500 mean?
AnswerInternal Server Error
A 500 means something went wrong on the server while handling the request.
Expert level
What does HTTP status code 429 mean?
AnswerToo Many Requests
429 tells a client it has sent too many requests in a given time, as with API rate limits.
What is a webhook?
AnswerAn HTTP request a service sends to your URL when an event happens
Instead of you repeatedly asking for updates, a webhook pushes a notification when something occurs.
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