Default API endpoints in Wordpress - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the base URL for WordPress REST API default endpoints?

The base URL is /wp-json/. All default API endpoints start from this path.

beginner

Name the default endpoint to retrieve posts in WordPress REST API.

The default endpoint to get posts is /wp-json/wp/v2/posts. It returns a list of published posts.

beginner

What HTTP method is used to fetch data from WordPress default API endpoints?

The GET method is used to retrieve data from default API endpoints.

intermediate

Which default endpoint would you use to get information about WordPress users?

Use /wp-json/wp/v2/users to get user data. Access may require authentication depending on permissions.

beginner

How can you retrieve categories using WordPress default API endpoints?

You can get categories by calling /wp-json/wp/v2/categories. It returns all categories with details.

What is the correct base path for WordPress REST API default endpoints?

A /api/

B /wp-json/

C /rest/

D /wp-api/

The WordPress REST API default base path is /wp-json/.

Which HTTP method is used to retrieve posts from the WordPress REST API?

A GET

B POST

C PUT

D DELETE

GET method fetches data from API endpoints, including posts.

To get a list of WordPress categories, which endpoint should you call?

A /wp-json/wp/v2/categories

B /wp-json/wp/v2/users

C /wp-json/wp/v2/tags

D /wp-json/wp/v2/posts

Categories are accessed via /wp-json/wp/v2/categories.

Which endpoint provides information about WordPress users?

A /wp-json/wp/v2/comments

B /wp-json/wp/v2/posts

C /wp-json/wp/v2/media

D /wp-json/wp/v2/users

User data is available at /wp-json/wp/v2/users.

What kind of data does the endpoint /wp-json/wp/v2/media return?

A Posts

B Categories

C Media files like images and videos

D Users

The media endpoint returns media files such as images and videos.

Explain the structure and purpose of WordPress default API endpoints.

Think about how WordPress organizes its REST API paths and what data you can get.

Describe how you would retrieve a list of posts and categories using WordPress default API endpoints.

Focus on the endpoint paths and HTTP methods.

Practice

1. What is the main purpose of WordPress default API endpoints?

easy

A. To allow easy access to WordPress data via URLs

B. To create custom themes automatically

C. To manage user roles and permissions

D. To optimize website SEO settings

Solution

1. Step 1: Understand what API endpoints do

   API endpoints provide a way to get or send data through URLs.

2. Step 2: Identify the role of default WordPress endpoints

   They let you access WordPress content like posts or users easily without extra coding.

3. Final Answer:

   To allow easy access to WordPress data via URLs -> Option A

4. Quick Check:

   Default API endpoints = easy data access [OK]

Hint: Default API endpoints = easy data access URLs [OK]

Common Mistakes:

• Thinking endpoints create themes
• Confusing endpoints with user management
• Assuming endpoints handle SEO

2. Which of the following is the correct default REST API endpoint URL to get all posts in WordPress?

easy

A. /wp-content/posts

B. /wp-admin/posts

C. /api/v1/posts/all

D. /wp-json/wp/v2/posts

Solution

1. Step 1: Recall the WordPress REST API base URL

   The base URL for WordPress REST API is /wp-json/wp/v2/.

2. Step 2: Identify the correct endpoint for posts

   The posts endpoint is posts, so full URL is /wp-json/wp/v2/posts.

3. Final Answer:

   /wp-json/wp/v2/posts -> Option D

4. Quick Check:

   Posts endpoint = /wp-json/wp/v2/posts [OK]

Hint: WordPress REST API base = /wp-json/wp/v2/ [OK]

Common Mistakes:

• Using admin URLs instead of API URLs
• Confusing API version or path
• Using incorrect folder paths

3. What will be the result of accessing the URL /wp-json/wp/v2/posts/10 in a WordPress site?

medium

A. Returns the post with ID 10 in JSON format

B. Returns a list of all posts except post 10

C. Returns an error because ID is not allowed

D. Redirects to the homepage

Solution

1. Step 1: Understand the endpoint pattern

   The URL /wp-json/wp/v2/posts/{id} fetches a single post by its ID.

2. Step 2: Interpret the given URL

   Here, ID is 10, so it returns the post with ID 10 in JSON format.

3. Final Answer:

   Returns the post with ID 10 in JSON format -> Option A

4. Quick Check:

   Single post URL returns that post [OK]

Hint: URL with /posts/{id} returns that post [OK]

Common Mistakes:

• Thinking it returns all posts except one
• Assuming ID is invalid in URL
• Expecting a redirect instead of JSON

4. You try to fetch users data using /wp-json/wp/v2/users but get a 401 Unauthorized error. What is the likely cause?

medium

A. The URL is missing the API version

B. The users endpoint does not exist in WordPress

C. You need proper authentication to access users endpoint

D. You must use GET method instead of POST

Solution

1. Step 1: Check endpoint access rules

   Users endpoint requires authentication because user data is sensitive.

2. Step 2: Analyze the error 401 Unauthorized

   This error means the request lacks valid credentials to access the resource.

3. Final Answer:

   You need proper authentication to access users endpoint -> Option C

4. Quick Check:

   401 error = authentication needed [OK]

Hint: 401 error means login/auth needed [OK]

Common Mistakes:

• Thinking users endpoint is missing
• Assuming URL version is wrong
• Confusing HTTP methods

5. You want to get all published posts with the category ID 5 using the default WordPress REST API. Which URL should you use?

hard

A. /wp-json/wp/v2/posts?category=5&status=published

B. /wp-json/wp/v2/posts?categories=5&status=publish

C. /wp-json/wp/v2/posts?cat=5&post_status=publish

D. /wp-json/wp/v2/posts?categories=5&post_status=published

Solution

1. Step 1: Identify correct query parameters for category and status

   WordPress REST API uses categories for category IDs and status for post status.

2. Step 2: Match parameters with correct values

   Category ID is 5, and published posts use status=publish.

3. Final Answer:

   /wp-json/wp/v2/posts?categories=5&status=publish -> Option B

4. Quick Check:

   categories=5 and status=publish are correct params [OK]

Hint: Use categories=ID and status=publish for filtering posts [OK]

Common Mistakes:

• Using wrong parameter names like category or cat
• Using status=published instead of publish
• Mixing post_status with status