Free to Use
JSON Placeholder is completely free for developers to use. There are no fees or subscription costs, which makes it accessible for anyone needing mock data quickly.
Reliable and Well-Maintained
The API is maintained and kept up-to-date, ensuring that developers can rely on it for consistent performance and uptime.
Ease of Use
The service is user-friendly, with clear documentation and straightforward endpoints, making it easy for developers to integrate and work with.
Variety of Data Types
JSON Placeholder provides different types of data such as users, posts, comments, and todos, suitable for a variety of testing scenarios.
No Authentication Required
The API does not require any form of authentication, which simplifies the process of making requests and testing applications.
Common Data Model
The data model used by JSON Placeholder represents common entities often found in real-world applications, making it practical for most development purposes.
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For our first example of simplified contract testing, let’s run some tests against an existing REST API. We’ll use the JSON Placeholder REST API. - Source: dev.to / 8 days ago
Import React, { useState, useEffect } from "react"; Import axios from "axios"; Import "./main.css"; // Import the CSS file Const JsonPlaceholder = () => { const [users, setUsers] = useState([]); // Fetch data from JSON Placeholder useEffect(() => { const fetchUsers = async () => { try { const response = await axios.get( "https://jsonplaceholder.typicode.com/users" ); ... - Source: dev.to / 11 days ago
Angular 19 introduces two exciting experimental APIs, resource and rxResource, designed to simplify asynchronous data retrieval and management. This article explores these APIs, diving into their functionalities and showcasing how they enhance developer experience (DX) for crafting reactive and efficient Angular applications. All API endpoints used in the article are from JSON Placeholder. - Source: dev.to / 29 days ago
Import org.springframework.web.reactive.function.client.WebClient; Public class WebClientExample { private final WebClient webClient; public WebClientExample() { this.webClient = WebClient.builder() .baseUrl("https://jsonplaceholder.typicode.com") .build(); } public String getPosts() { return webClient.get() ... - Source: dev.to / about 1 month ago
Const fetch = require('node-fetch'); Const resolvers = { Query: { user: async (_, { id }) => { try { // fetch user const userResponse = await fetch(`https://jsonplaceholder.typicode.com/users/${id}`); const user = await userResponse.json(); // fetch posts for a user const postsResponse = await fetch(`https://jsonplaceholder.typicode.com/posts?userId=${id}`); ... - Source: dev.to / 2 months ago
Import React, { useEffect, useState } from "react"; // import axios Import axios from "axios"; // defining a base url Const BASE_URL = "https://jsonplaceholder.typicode.com"; // creating an instance Const publicInstance = axios.create({ baseURL: BASE_URL, }); Export default function PostsListWrapper() { const [posts, setPosts] = useState([]); const [loading, setLoading] = useState(true); const... - Source: dev.to / 3 months ago
// src/app/customBaseQuery.js Import { fetchBaseQuery } from '@reduxjs/toolkit/query/react'; Const customBaseQuery = fetchBaseQuery({ baseUrl: 'https://jsonplaceholder.typicode.com/', prepareHeaders: (headers, { getState }) => { const token = getState().auth.token; // Assuming auth slice has token if (token) { headers.set('Authorization', `Bearer ${token}`); } return headers; ... - Source: dev.to / 3 months ago
// src/features/posts/postsApi.js Import { createApi, fetchBaseQuery } from '@reduxjs/toolkit/query/react'; Export const postsApi = createApi({ reducerPath: 'postsApi', baseQuery: fetchBaseQuery({ baseUrl: 'https://jsonplaceholder.typicode.com/' }), tagTypes: ['Post'], endpoints: (builder) => ({ fetchPosts: builder.query({ query: () => 'posts', providesTags: (result) => result ?... - Source: dev.to / 3 months ago
Import requests Api_url = "https://jsonplaceholder.typicode.com/todos/1" Response = requests.get(api_url) Print(response) Response.json() Print(response.json()). - Source: dev.to / 3 months ago
Test("Renders error state when request fails or there is network error", async () => { server.use( http.get("https://jsonplaceholder.typicode.com/todos", async () => { return HttpResponse.json([], { status: 500, }); }) ); render(, { wrapper }); await screen.findByText("an error occurred fetching todo list"); expect( screen.getByText("an error occurred fetching todo... - Source: dev.to / 3 months ago
// file: App.vue // ... Function loadRecords() { loading.value = true; const params = { _start: (pagination.value.page - 1) * pagination.value.perPage, _limit: pagination.value.perPage }; axios .get('https://jsonplaceholder.typicode.com/posts', { params }) .then((response) => { if (pagination.value.page === 1) { records.value = response.data; pagination.value.total =... - Source: dev.to / 5 months ago
Here we have a dummy post details page that we want to test. This page is a server component and we are fetching dummy data using json placeholder to fetch fake post details, so basically we need to mock https://jsonplaceholder.typicode.com/posts/1 endpoint in our tests. - Source: dev.to / 3 months ago
// Generator function to fetch paginated data Function* fetchPaginatedData(apiUrl) { let page = 1; let hasMoreData = true; let limit = 10; while (hasMoreData) { const response = yield fetch(`${apiUrl}${page}`) .then(res => res.json()) .catch(err => console.error('Fetch error:', err)); if (response && response.id && page < limit) { page++; ... - Source: dev.to / 3 months ago
JSON Placeholder provides dummy data for testing and prototyping. It's a great tool for developers needing placeholder data without setting up a backend. Explore it at https://jsonplaceholder.typicode.com/. - Source: dev.to / 4 months ago
Import React, { useState, useEffect } from 'react'; function Posts() { const [posts, setPosts] = useState([]); useEffect(() => { fetch('https://jsonplaceholder.typicode.com/posts') .then(response => response.json()) .then(data => setPosts(data)); }, []); return (- Source: dev.to / 4 months agoPosts
{posts.map(post => ( ...
Import { createContext, useEffect, useState } from "react"; Export const UserContext = createContext(); Export const UserProvider = ({ children }) => { const [user, setUser] = useState(null); const fetchUserData = async (id) => { const response = await fetch( `https://jsonplaceholder.typicode.com/users/${id}` ).then((response) => response.json()); console.log(response); ... - Source: dev.to / 4 months ago
// src/components/Users.test.tsx Import { render, screen, waitForElementToBeRemoved } from '@testing-library/react'; Import Users from './Users'; Import { server } from '../tests/mocks/node'; Import { HttpResponse, http } from 'msw'; Describe('Users component', () => { it('Should render correctly', () => { render(); // Assert element exists ... - Source: dev.to / 5 months ago
Package org.example; Import io.restassured.RestAssured; Import io.restassured.response.Response; Import org.junit.jupiter.api.Test; Import static io.restassured.RestAssured.*; Import static org.hamcrest.Matchers.*; Public class ApiTest { @Test public void testGetEndpoint() { RestAssured.baseURI = "https://jsonplaceholder.typicode.com"; given(). when(). ... - Source: dev.to / 5 months ago
Import { HttpClient } from '@angular/common/http'; Import { Injectable, inject } from '@angular/core'; Import { CommentSchema, Comment } from '../models/comment.model'; Import { verifyResponse } from '../utils/schema.validator'; Import { Observable } from 'rxjs'; @Injectable({ providedIn: 'root', }) Export class CommentsService { private readonly http = inject(HttpClient); public getCommentById(id:... - Source: dev.to / 8 months ago
To implement data loading, we'll utilize a dummy REST API called TypiCode, which offers various types of dummy data for development and testing purposes. We'll fetch some dummy blog posts using this service. The URL structure provided by this API is as follows:. - Source: dev.to / 8 months ago
Import { Injectable } from '@angular/core'; Import { HttpClient } from '@angular/common/http'; Import { Observable, throwError } from 'rxjs'; Import { catchError } from 'rxjs/operators'; @Injectable({ providedIn: 'root' }) Export class DataService { private apiUrl = 'https://jsonplaceholder.typicode.com'; constructor(private http: HttpClient) { } // Method to fetch JSON data getJsonData():... - Source: dev.to / 8 months ago
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It provides a good collection of FAKE rest APIs. Very useful for developing projects.
Mate, thanks for sharing your experience! Appreciated.