E-Commerce Development E-Commerce Development APIs and Integrations

Question 1

Which API architectural style is most commonly used for modern e-commerce integrations due to its stateless nature and use of HTTP methods?

Accepted Answer

REST

Answer

SOAP

Answer

GraphQL

Answer

XML-RPC

Question 2

What is the primary purpose of a webhook in an e-commerce system?

Accepted Answer

To push real-time event notifications to an external URL

Answer

To render product pages on the server

Answer

To cache API responses for faster load times

Answer

To encrypt payment data during transit

Question 3

Which HTTP status code should a third-party API return to indicate that a request was successful and a new resource was created?

Accepted Answer

201 Created

Answer

200 OK

Answer

204 No Content

Answer

301 Moved Permanently

Question 4

What authentication mechanism do most e-commerce APIs (e.g., Shopify, Stripe) use to verify API consumers?

Accepted Answer

API keys or OAuth 2.0 tokens

Answer

Basic Auth with username/password

Answer

SAML assertions

Answer

Session cookies only

Question 5

When integrating a third-party shipping carrier API, which data format is most commonly exchanged in modern e-commerce platforms?

Accepted Answer

JSON

Answer

CSV

Answer

XML only

Answer

YAML

Question 6

What is API rate limiting in an e-commerce context?

Accepted Answer

Restricting the number of API requests a client can make in a given time window

Answer

Limiting the number of products returned per page

Answer

Blocking access to the API based on geographic location

Answer

Capping the total number of registered API keys