Category: REST

Introduction In this example I am going to show you how to call REST APIs using javax.net.ssl.HttpsURLConnection. So, I am using plain Java code to send or receive data to or from the REST APIs. I am also going to show you how to send authentication token in the HTTP header. I am also going to…

Introduction In this PHP example, I am going to show you how to call external REST APIs in PHP programming. I am not going to build here any new REST API, but I will call or consume those REST APIs which are already available for testing purpose. But if you want to know then you…

Introduction In this tutorial I will show you how to call or consume external REST APIs in CodeIgniter 4 framework. REST is an acronym that stands for Representational State Transfer. I had shown how to build REST API CRUD Example earlier but here I am going to show an example on CodeIgniter 4 consume REST…

Introduction In this tutorial I am going to explain you how to use docker compose to dockerize your Nodejs MySQL REST API for CRUD operations. I am not going to tell you here how to build the REST CRUD application but you can always go back and check the detail tutorial on this here. I…

Here in this tutorial I am going to show you how to use Swagger API with Django REST framework. Swagger API provides well structured documentation for REST API endpoints so a new person can say how to test a REST API without knowing its internal implementation. Essentially, Swagger does a simple but very powerful thing:…

Here I am going to discuss about whether it is a good idea to send parameter in request body of the HTTP GET request or not. Request body is also known as payload of the request. I will also discuss about idempotent and safe http methods. Generally payload in the body is sent for POST,…

Introduction In this tutorial I will show you how to test REST APIs used for file upload and file download. The file upload or download application might have been created using any server side technology. I am going to use here Rest Assured library with Junit 5 framework in Java programming language. I will use…

Introduction In this example we will see how to perform CRUD operations REST API testing using Rest Assured library in Java programming language. Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain. This…

Introduction This tutorial will show you an example on how to document REST APIs using OpenAPI 3. When creating a REST API, good documentation is instrumental. Here we will use OpenAPI 3 in Spring application for creating documentation for REST APIs. We create and deploy REST services but we do not have an option to…

Introduction Here in this tutorial, PHP REST API authentication using JWT, you will see how to use JWT (JSON Web Token) to authorize users and allow them to continue their works once they are logged in using their regular credentials (usernames and passwords). Users use their credentials to get the JWTs and continue their work…

Introduction In this example we will see an example on PHP AJAX jQuery CRUD. CRUD is an acronym for four operations such as Create, Read, Update and Delete. We are going to perform CRUD operations on company details. We will use here MySQL database to store company detail information. We will perform each operation asynchronously…

Introduction We will create REST APIs to allow users login and logout from an application using Python and Flask. We have seen in another tutorial how to login and logout from an application where UI or front end was built using flask template file but here we are not providing any UI or front end…