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  1. JSON:API — Examples

    • When multiple errors occur in response to a single request, the servercan simply add each error to the errorsarray: The only uniqueness constraint on error objects is the id field. Thus,multiple errors on the same at… See more

    A Basic Error Ob…

    In the response below, the server is indicating that it encountered an errorwhile creating/updating the resource, and that this error was causedby an invalid "firstName"attribute: Every member in an error object is optional, but all help the clientby providing extra details. The source member is used to indicatewhich part of the request document ca...

    JSON:API
    Error Codes

    The code member of an error object contains an application-specific coderepresenting the type of problem encountered. code is similar to titlein that both identify a general type of problem (unlike detail, which isspecific to the particular instance of the problem), but dealing with codeis easier programatically, because the “same” titlemay appear ...

    JSON:API
    Advanced Source Usage

    In the example below, the user is sending an invalid JSON:APIrequest, because it’s missing the datamember: Therefore, the server responds: It uses source to point to the top-level of the document ("").(Pointing to “/” would be an appropriate reference to the string"some value" in the request document {"": "some value"}.Pointing to "/data" would be ...

    JSON:API
  1. JSON APIs allow applications to exchange data in JavaScript Object Notation (JSON) format, making them lightweight, human-readable, and widely supported. They are commonly used in RESTful services for CRUD operations over HTTP.

    Example with a Public Test API (JSONPlaceholder) JSONPlaceholder provides fake endpoints for prototyping:

    • GET /posts – List all posts

    • GET /posts/1 – Get a single post

    • POST /posts – Create a new post

    • PUT /posts/1 – Replace a post

    • PATCH /posts/1 – Update part of a post

    • DELETE /posts/1 – Delete a post

    JavaScript Example – GET Request

    // Fetch a single post
    fetch('https://jsonplaceholder.typicode.com/posts/1')
    .then(response => response.json()) // Parse JSON
    .then(data => {
    console.log('Post Title:', data.title);
    console.log('Post Body:', data.body);
    })
    .catch(error => console.error('API Error:', error));
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    Python Example – GET Request

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  2. JSONPlaceholder - Free Fake REST API

    JSONPlaceholder is a free online REST API that you can use whenever you need some fake data. It can be in a README on GitHub, for a demo on CodeSandbox, in code examples on Stack Overflow, ...or …

  3. Sample JSON Data - 50+ Real-World JSON Examples for Testing ...

    Comprehensive collection of sample JSON data with real-world examples. Copy-ready JSON samples for testing APIs, learning JSON structure, and development.

  4. JSON Examples - Real-World Data Samples & Code Examples

    Our curated collection of real-world JSON examples helps developers understand complex data structures, API responses, and configuration patterns used in production applications.

  5. JSON APIs with Examples and Code - w3resource

    Nov 7, 2025 · Explore JSON APIs with examples in JavaScript and Python. Learn how to send requests, handle responses, and interact with APIs efficiently.

  6. Free Real REST API – Full CRUD Support (GET, POST, PUT, PATCH, …

    Welcome to our real REST API - a fully functional service backed by a real database. It lets you send, store, and retrieve data through real HTTP requests, providing an experience much like working with a …

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  8. 50+ JSON API Response Examples: Complete Reference …

    Oct 29, 2025 · These are real-world JSON API response templates I’ve used in production systems, refined through years of building APIs that serve millions of …

  9. Example projects - JSON:API

    Note The example projects only cover highly-requested features. More advanced use cases can be found here.

  10. How APIs Use JSON: Practical Examples & Request–Response Guide ...

    Dec 6, 2025 · Learn how APIs use JSON for requests, responses, parsing, debugging, and secure data exchange. Includes examples, headers, common issues, and best practices-powered by JSONKithub.

  11. JSON RESTful APIs with JSON | Coddy Reference

    Learn about RESTful APIs with JSON in this comprehensive guide. Discover how to use JSON in RESTful web services, best practices, and practical examples.