Use FeathersJS to build a RESTful API server in Node.js

An API server, also known as an Application Server, is a program that provides data to front-end applications. It also handles business logic in the back end and provides restricted access to an organization’s database. It doesn’t just prevent unauthorized persons from accessing the data; it can also restrict logged-in users from accessing or altering data if they don’t have permission to do so.

Every application you build will need to provide a service to its end users. For that, your application will need data to process. You can use remote APIs to create a new service. For most applications, though, you’ll need to manage your own data store. A popular option is to use online data storage services such as Firebase. This way, you don’t have to deal with the nitty gritty details of running a distributed database server. However, your project needs may require the use of a full-fledged, in-house database management system such as MongoDB or Oracle. For your front-end application to access the data stored in the database, you’ll need a server application that sits between the database and the front-end application.

As illustrated in the diagram above, the work of an application server is to access data from a database using SQL or NoSQL commands and convert into a format that front-end applications (client browser) can understand — such as JSON. In addition, the application server can use various security protocols — such as HTTPS encryption and token authorization — to ensure that communication between the database and the client application is safe and secure. One main advantage of using such an architecture is that you can deploy applications that target different platforms — desktop, mobile, web, and so on — using the same application server. It’s also very easy to scale your application horizontally in order to serve more users efficiently with fast response times.

We’re going to build a simple API server and demonstrate the various features that Feathers provides.


Before you begin following this tutorial, you’ll need to have a good foundation in the following topics:

Feathers is built on top of Express, a minimalist web framework for Node.js. If you’ve completed the tutorials demonstrated in the links, you’ll realize that it’s quite tiring building RESTful APIs using just Express. With Feathers, most of the repetitive work is already done for you. You only need to focus on configuring and customizing code. Let’s dive into the code and learn how this web framework works.

Project Creation

To get started with Feathers, you’ll need to install its command line application globally:

npm install -g @feathersjs/cli 

Next, create a new API project using the commands below:

mkdir contacts-api 
cd contacts-api 
feathers generate app 

Below are the options I chose. Feel free to choose any testing framework. Unfortunately, testing is beyond the focus of this article, so it won’t be covered here. Personally, I like simplicity, and that’s why I went with Jest.

Once the installation is complete, you can open you favorite code editor to look at the project files.

If you’ve completed the Express tutorials I listed in the prerequisites section, you shouldn’t be intimidated by the generated code. Here’s a brief summary that describes the folders and files.

Don’t be too concerned with what each file does right now. You’ll come to understand how they work in the course in this tutorial. For now, let’s confirm that the tests are working.


To ensure our project is compliant with the defined ESLint rules, just run the command npm test. If you’re on a Unix or Linux platform, this should run fine. If you’re on Windows, there are few things you need to adjust for the tests to run successfully.

First, go to package.json and look at the scripts section. Change the test line to this:

"scripts": {

  "test": "npm run eslint && SET NODE_ENV= npm run jest",


Next, if you’ve installed Prettier in Visual Studio Code, you’ll need to change the single quote setting to true in the Workspace settings tab:

  "prettier.singleQuote": true

Finally, make sure that, when you create or edit any file, the line ending is LF. If you’re using Visual Studio Code or a similar editor, you can check the current line ending style at the status bar. If it says CRLF, change to LF. Making those changes will help you pass the lint tests. Unfortunately, to make the tests pass will require a bit more work, which won’t be covered here.

Let’s look at how we can generate a CRUD RESTful interface.

Generate Service

Building a Restful CRUD API interface in Express requires a bit of work. In Feathers, all you have to do is execute a single command, answer a few questions and have the code generated for you:

$ feathers generate service
? What kind of service is it? NeDB
? What is the name of the service? contacts
? Which path should the service be registered on? /contacts
? What is the database connection string? nedb://../data
    force config\default.json
   create src\services\contacts\contacts.service.js
    force src\services\index.js
   create src\models\contacts.model.js
   create src\services\contacts\contacts.hooks.js
   create test\services\contacts.test.js

We’ll be using NeDB database for this tutorial. Feathers does support both SQL databases such as MySQL and NoSQL databases such as MongoDB. However, installing a database system — whether on your machine or on a cloud server — requires a certain amount of time configuring it. NeDB, on the other hand, is an in-memory database that’s 100% JavaScript and supports a subset of MongoDB API. There’s no configuration needed; you just install it. It’s a great database for prototyping and testing new applications. This is what we’ll use in this tutorial.

Let’s briefly look at some of the files that have been generated using this command:

  • services/contacts/contact.service.js. This is a Feathers service that provides the CRUD API endpoints for /contacts. Pretty small, isn’t it? This is because Feathers does the heavy lifting for us. It saves us from writing boilerplate CRUD code.
  • services/contacts/contact.hooks.js. This is where we customize how the CRUD logic behaves. We have the before section, where we can check or change data before Feathers reads or writes to the database. We also have an after section, where we can check or change the results from the database before it’s sent to the client application. We can do things like restricting access, data validation, performing join operations and calculating values for additional fields or columns.
  • models/contacts.model.js. This where we define a model and attach it to a database table. This is also where we define a schema which can be used to validate fields when a new record is inserted or updated. Unfortunately, NeDB doesn’t support schemas. However, I’ve provided an example of a model that’s connected to MongoDB, which supports the schema feature via the mongoose adapter:
"use strict";
const mongoose = require("mongoose");
const Schema = mongoose.Schema;
const contactsSchema = new Schema({
  name: {
    first: { type: String, required: [true, "First Name is required"] },
    last: { type: String, required: false }
  email: {
    type: mongoose.SchemaTypes.Email,
    required: [true, "Email is required"]
  phone: {
    type: String,
    required: [true, "Phone is required"],
    validate: {
      validator: function(v) {
        return /^\+(?:[0-9] ?){6,14}[0-9]$/.test(v);
      message: "{VALUE} is not a valid international phone number!"
  createdAt: { type: Date, default: },
  updatedAt: { type: Date, default: }
const contactsModel = mongoose.model("contacts", contactsSchema);
module.exports = contactsModel;

Despite the limitations of using NeDB, it’s still a great database for prototyping. Most NoSQL databases will allow you to submit data using any structure without having to define a schema first. It’s wiser to implement a schema once the project requirements have been realized. With a schema in place, Feathers will perform field validation for you using the rules you’ve defined. You’ll need a production-ready database such as MongoDB to be able to define a schema. Do note the configuration for the development database is defined at config/default.json:

"nedb": "../data" 

This is where database credentials are provided. We also have another config file called config/production.json. This is the production database configuration that’s used when you deploy your Feathers app. It’s important to use a separate database during development. Otherwise, you run the risk of deleting or corrupting business operational data on the production database.

Now that we have our CRUD service for contacts set up, it’s time to take it for a spin. You can start the Feather server using the command npm start. Do note that this server doesn’t support hot reloading. So you’ll need to restart it every time you make a change to the code. In order to interact with our Feathers app, we’ll need an API browser tool such as Postman or Insomnia. I’ll be using Insomnia in this tutorial, but you can follow along easily with Postman or any other tool.

Create a new GET request (press Ctrl + N) and give it the title “List Contacts”. In the URL section, enter http://localhost:3030/contacts. When you hit the Send button, you should have the following view:

Nothing! Our database is currently empty, so we need to create some new contacts. Create a new request called Create Contact. Fill in the rest of the fields as shown below:

In case you forgot to change the METHOD to POST in the above form, you can do so later. Change the method to POST and change the Body tab to JSON. Copy the following data in the JSON tab:

  "name": {
    "first": "Jack",
    "last": "Bauer"
  "email": "jack@ctu.mail",
  "phone": "+1234567"

When you hit the Send button, you should get the following response. Notice that an _id has been generated for your new contact.

Go back to List Contacts and hit the Send button again. You should get the following result:

  "total": 1,
  "limit": 10,
  "skip": 0,
  "data": [
      "name": {
        "first": "Jack",
        "last": "Bauer"
      "email": "jack@ctu.mail",
      "phone": "+1234567",
      "_id": "ybnRxL6s2QEGhj4i"

Go back to Create Contact and post a couple of new records:

  "name": {
    "first": "Chloe",
    "last": "O'Brian"
  "email": "chloe@ctu.mail",
  "phone": "+1987654"

  "name": {
    "first": "Renee",
    "last": "Walker"
  "email": "renee@fbi.mail",
  "phone": "+150505050"

Let’s now perform an update. For this, we won’t use the UPDATE HTTP method. This method will completely overwrite a record. What we want to do is just overwrite a single field, not the the whole record. For that, we’ll use PATCH. Create a new request, Update Contact as illustrated below:

In the URL field, put http://localhost:3030/contacts/{_id}. Replace {_id} with the ID of the first record. Place the following data into the JSON tab:

  "email": ""

Hit the Send button. You should get the following result:

Notice how the the rest of the fields remain intact. Next, we’re going to delete a record. This one is easy. Just create a new DELETE request and name it Delete Contact. In the URL field, use the format http://localhost:3030/contacts/{_id}. Just like before, replace {_id} with the ID of the record you want to delete. Hitting Send will delete that record for you. You can confirm by running the List Contact request again.

We’ve just verified that all CRUD operations are running okay. In the next section, we’ll learn how to set up authentication.


Right now, our /contacts API endpoint is unprotected. If we were to deploy our app to a cloud server, anyone with the URL can access and manipulate our records. To restrict access, we need to set up authentication. We’ll use the JSON Web Token to implement authentication to our API application. Run the following command to set it up:

feathers generate authentication 

As you can see below, Feathers does support different ways of authenticating users. The easiest one to set up is the “Local Username + Password” option.

Pick the following options for the rest of the questions.

You can review the files that have been generated by the command you just executed:

The next step is to create a new user. We can do this using Insomnia or any other API browser tool. Create a new request and call it Create User:

In the JSON tab, send the following data:

  "email": "",
  "password": "secret"

You should get a similar response as below:

We now have a user. Let’s confirm this by creating a new request List Users and sending the URL http://localhost:3030/users. Unfortunately, you’ll get the following response:

We need to get authenticated in order to access this data. Since we haven’t developed a front-end application that we can use to log in, we’re going to continue using the API browser. Create a new request and call it “Get JWT Token”. Fill in the form as illustrated below:

This request uses the POST method. Perhaps you can rename the request “Login” for better clarity. In the JSON tab, copy the following data:

  "strategy": "local",
  "email": "",
  "password": "secret"

You should get the following response after you hit the send button:

Copy the token code (without the double quotation marks). Go to List Users request page, select the Auth tab and pick Bearer. Paste this token code in the TOKEN field.

When you hit the Send button, you should get a list of users. Do note that our authentication system is not completely secure. Anyone with the /users URL endpoint can create a new account and gain access to our system. To prevent unauthorized creation of new accounts, we need to restrict that endpoint as well. Open the file services/users/users.hooks.js and update the following piece of code:

module.exports = {
  before: {
    create: [ hashPassword(), authenticate('jwt') ],

This will ensure only authenticated users can create new accounts. The next step is to protect the /contacts endpoint as well. Simply open the file services/contacts/contacts.hooks.js and update accordingly:

const { authenticate } = require('@feathersjs/authentication').hooks;
module.exports = {
  before: {
    all: [authenticate('jwt')],

Restart the Feathers server for the code changes to take effect. If you try running the List Contacts request, you’ll get the following response:

  "name": "NotAuthenticated",
  "message": "No auth token",
  "code": 401,
  "className": "not-authenticated",
  "data": {},
  "errors": {}

To get authenticated, you’ll need to set the Bearer token just like you did before. Once you’ve done this, you can send your request and you should receive your list of contacts. Do note that the token you acquired earlier will expire after a day. For efficiency’s sake, it’s better to use environment variables so that it becomes easier to update all your API request parameters at once. When building a front-end application, you’ll need to store this token inside local storage. Don’t use cookies. Otherwise, your app will be susceptible to CSRF attacks. Check out the Feathers documentation on security to learn more about other security risks you should be aware of.

Now that you’ve set up authentication, any new service you create after this will give you the option of protecting your new endpoint. Let’s now look at the final topic for this tutorial in the next section.


Hooks are middleware functions that are attached to before, after or on errors of a service method. They are commonly used to handle things like logging, restricting access, protecting fields, populating related entities, sending notifications, and so on. If you look at services/users/users.hooks.js, you can see some built-in Feathers hooks in use. We’re going to create our own custom hook. First, stop the server and delete the data/contacts.db database table. Next, create a new hook by generating it using this command:

feathers generate hooks 

Use the following options to create the custom hook process-contact:

What we want to do in this hook is to inject two new fields right before the Create Contact request is processed.

  • createdBy: link to currently logged in user by _id
  • createdOn: add creation date

Open the file hooks/process-contact.js and update the file as follows:

module.exports = function(options = {}) {
  return async context => {
    return context;

module.exports = function(options = {}) {
  return async context => {
    // Get authenticated user
    const user = context.params.user;
    //Extract Submitted Data
    const { data } = context;
    // Add new Fields = {, // Preserve submitted data
      createdBy: user._id,
      createdOn: new Date()
    return context;

Next, create another hook, populate-user, that will attach a user object to each contact record when requested. Follow the instructions as per the below screenshot:

Open the file hooks/populate-user and insert the following code:

// eslint-disable-next-line no-unused-vars
module.exports = function(options = {}) {
  return async context => {
    const { app, method, result, params } = context;
    // Ensure contacts is an array. If it's a single contact, wrap it into an array
    const contacts = method === "find" ? : [result];
    // Fetch user object from each contact's createdBy
    await Promise.all( contact => {
        contact.user = await app
          .get(contact.createdBy, params);
    return context;

Read the comments to understand how it works. You can now start the server. Create the three contacts again using the Create Contact request. Set the bearer token, if you haven’t already. Otherwise, you’ll receive an authorization error. This is the kind of response you should be getting when you create a new contact:


I hope you’ve now learned how to quickly build your own RESTful API server. We’ve only touched the basics and you should go through the full guide to discover more features that Feathers can provide in helping you implement advanced features with minimal effort. You should also check out the Awesome Feathers page, which contains a treasure trove of resources. Whether you need a plugin, project example or a tutorial, you’ll probably find a link there. You should also check out Feathers-plus CLI, which is Feathers on steroids. It adds new features on top of what the Feathers CLI already provides, such as generating code for seeding and GraphQL support.

If you’d like to further advance the contacts-api project, I’d encourage you to create a new front-end application using a framework of your choice. Build a log-in screen and CRUD pages for the /contacts and /users endpoints. Have fun implementing the challenge.

#web-development #node-js #rest #api #javascript

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Use FeathersJS to build a RESTful API server in Node.js
Wilford  Pagac

Wilford Pagac


What is REST API? An Overview | Liquid Web

What is REST?

The REST acronym is defined as a “REpresentational State Transfer” and is designed to take advantage of existing HTTP protocols when used for Web APIs. It is very flexible in that it is not tied to resources or methods and has the ability to handle different calls and data formats. Because REST API is not constrained to an XML format like SOAP, it can return multiple other formats depending on what is needed. If a service adheres to this style, it is considered a “RESTful” application. REST allows components to access and manage functions within another application.

REST was initially defined in a dissertation by Roy Fielding’s twenty years ago. He proposed these standards as an alternative to SOAP (The Simple Object Access Protocol is a simple standard for accessing objects and exchanging structured messages within a distributed computing environment). REST (or RESTful) defines the general rules used to regulate the interactions between web apps utilizing the HTTP protocol for CRUD (create, retrieve, update, delete) operations.

What is an API?

An API (or Application Programming Interface) provides a method of interaction between two systems.

What is a RESTful API?

A RESTful API (or application program interface) uses HTTP requests to GET, PUT, POST, and DELETE data following the REST standards. This allows two pieces of software to communicate with each other. In essence, REST API is a set of remote calls using standard methods to return data in a specific format.

The systems that interact in this manner can be very different. Each app may use a unique programming language, operating system, database, etc. So, how do we create a system that can easily communicate and understand other apps?? This is where the Rest API is used as an interaction system.

When using a RESTful API, we should determine in advance what resources we want to expose to the outside world. Typically, the RESTful API service is implemented, keeping the following ideas in mind:

  • Format: There should be no restrictions on the data exchange format
  • Implementation: REST is based entirely on HTTP
  • Service Definition: Because REST is very flexible, API can be modified to ensure the application understands the request/response format.
  • The RESTful API focuses on resources and how efficiently you perform operations with it using HTTP.

The features of the REST API design style state:

  • Each entity must have a unique identifier.
  • Standard methods should be used to read and modify data.
  • It should provide support for different types of resources.
  • The interactions should be stateless.

For REST to fit this model, we must adhere to the following rules:

  • Client-Server Architecture: The interface is separate from the server-side data repository. This affords flexibility and the development of components independently of each other.
  • Detachment: The client connections are not stored on the server between requests.
  • Cacheability: It must be explicitly stated whether the client can store responses.
  • Multi-level: The API should work whether it interacts directly with a server or through an additional layer, like a load balancer.

#tutorials #api #application #application programming interface #crud #http #json #programming #protocols #representational state transfer #rest #rest api #rest api graphql #rest api json #rest api xml #restful #soap #xml #yaml

An API-First Approach For Designing Restful APIs | Hacker Noon

I’ve been working with Restful APIs for some time now and one thing that I love to do is to talk about APIs.

So, today I will show you how to build an API using the API-First approach and Design First with OpenAPI Specification.

First thing first, if you don’t know what’s an API-First approach means, it would be nice you stop reading this and check the blog post that I wrote to the Farfetchs blog where I explain everything that you need to know to start an API using API-First.

Preparing the ground

Before you get your hands dirty, let’s prepare the ground and understand the use case that will be developed.


If you desire to reproduce the examples that will be shown here, you will need some of those items below.

  • NodeJS
  • OpenAPI Specification
  • Text Editor (I’ll use VSCode)
  • Command Line

Use Case

To keep easy to understand, let’s use the Todo List App, it is a very common concept beyond the software development community.

#api #rest-api #openai #api-first-development #api-design #apis #restful-apis #restful-api

Aria Barnes

Aria Barnes


Why use Node.js for Web Development? Benefits and Examples of Apps

Front-end web development has been overwhelmed by JavaScript highlights for quite a long time. Google, Facebook, Wikipedia, and most of all online pages use JS for customer side activities. As of late, it additionally made a shift to cross-platform mobile development as a main technology in React Native, Nativescript, Apache Cordova, and other crossover devices. 

Throughout the most recent couple of years, Node.js moved to backend development as well. Designers need to utilize a similar tech stack for the whole web project without learning another language for server-side development. Node.js is a device that adjusts JS usefulness and syntax to the backend. 

What is Node.js? 

Node.js isn’t a language, or library, or system. It’s a runtime situation: commonly JavaScript needs a program to work, however Node.js makes appropriate settings for JS to run outside of the program. It’s based on a JavaScript V8 motor that can run in Chrome, different programs, or independently. 

The extent of V8 is to change JS program situated code into machine code — so JS turns into a broadly useful language and can be perceived by servers. This is one of the advantages of utilizing Node.js in web application development: it expands the usefulness of JavaScript, permitting designers to coordinate the language with APIs, different languages, and outside libraries.

What Are the Advantages of Node.js Web Application Development? 

Of late, organizations have been effectively changing from their backend tech stacks to Node.js. LinkedIn picked Node.js over Ruby on Rails since it took care of expanding responsibility better and decreased the quantity of servers by multiple times. PayPal and Netflix did something comparative, just they had a goal to change their design to microservices. We should investigate the motivations to pick Node.JS for web application development and when we are planning to hire node js developers. 

Amazing Tech Stack for Web Development 

The principal thing that makes Node.js a go-to environment for web development is its JavaScript legacy. It’s the most well known language right now with a great many free devices and a functioning local area. Node.js, because of its association with JS, immediately rose in ubiquity — presently it has in excess of 368 million downloads and a great many free tools in the bundle module. 

Alongside prevalence, Node.js additionally acquired the fundamental JS benefits: 

  • quick execution and information preparing; 
  • exceptionally reusable code; 
  • the code is not difficult to learn, compose, read, and keep up; 
  • tremendous asset library, a huge number of free aides, and a functioning local area. 

In addition, it’s a piece of a well known MEAN tech stack (the blend of MongoDB, Express.js, Angular, and Node.js — four tools that handle all vital parts of web application development). 

Designers Can Utilize JavaScript for the Whole Undertaking 

This is perhaps the most clear advantage of Node.js web application development. JavaScript is an unquestionable requirement for web development. Regardless of whether you construct a multi-page or single-page application, you need to know JS well. On the off chance that you are now OK with JavaScript, learning Node.js won’t be an issue. Grammar, fundamental usefulness, primary standards — every one of these things are comparable. 

In the event that you have JS designers in your group, it will be simpler for them to learn JS-based Node than a totally new dialect. What’s more, the front-end and back-end codebase will be basically the same, simple to peruse, and keep up — in light of the fact that they are both JS-based. 

A Quick Environment for Microservice Development 

There’s another motivation behind why Node.js got famous so rapidly. The environment suits well the idea of microservice development (spilling stone monument usefulness into handfuls or many more modest administrations). 

Microservices need to speak with one another rapidly — and Node.js is probably the quickest device in information handling. Among the fundamental Node.js benefits for programming development are its non-obstructing algorithms.

Node.js measures a few demands all at once without trusting that the first will be concluded. Many microservices can send messages to one another, and they will be gotten and addressed all the while. 

Versatile Web Application Development 

Node.js was worked in view of adaptability — its name really says it. The environment permits numerous hubs to run all the while and speak with one another. Here’s the reason Node.js adaptability is better than other web backend development arrangements. 

Node.js has a module that is liable for load adjusting for each running CPU center. This is one of numerous Node.js module benefits: you can run various hubs all at once, and the environment will naturally adjust the responsibility. 

Node.js permits even apportioning: you can part your application into various situations. You show various forms of the application to different clients, in light of their age, interests, area, language, and so on. This builds personalization and diminishes responsibility. Hub accomplishes this with kid measures — tasks that rapidly speak with one another and share a similar root. 

What’s more, Node’s non-hindering solicitation handling framework adds to fast, letting applications measure a great many solicitations. 

Control Stream Highlights

Numerous designers consider nonconcurrent to be one of the two impediments and benefits of Node.js web application development. In Node, at whatever point the capacity is executed, the code consequently sends a callback. As the quantity of capacities develops, so does the number of callbacks — and you end up in a circumstance known as the callback damnation. 

In any case, Node.js offers an exit plan. You can utilize systems that will plan capacities and sort through callbacks. Systems will associate comparable capacities consequently — so you can track down an essential component via search or in an envelope. At that point, there’s no compelling reason to look through callbacks.


Final Words

So, these are some of the top benefits of Nodejs in web application development. This is how Nodejs is contributing a lot to the field of web application development. 

I hope now you are totally aware of the whole process of how Nodejs is really important for your web project. If you are looking to hire a node js development company in India then I would suggest that you take a little consultancy too whenever you call. 

Good Luck!

Original Source

#node.js development company in india #node js development company #hire node js developers #hire node.js developers in india #node.js development services #node.js development

Hire Dedicated Node.js Developers - Hire Node.js Developers

If you look at the backend technology used by today’s most popular apps there is one thing you would find common among them and that is the use of NodeJS Framework. Yes, the NodeJS framework is that effective and successful.

If you wish to have a strong backend for efficient app performance then have NodeJS at the backend.

WebClues Infotech offers different levels of experienced and expert professionals for your app development needs. So hire a dedicated NodeJS developer from WebClues Infotech with your experience requirement and expertise.

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Chaz  Homenick

Chaz Homenick


Why You Should Consider Low-Code Approach to Building a REST API

APIs have been around for decades – they allow different systems to talk to each other in a seamless, fast fashion – yet it’s been during the past decade that this technology has become a significant force.

So then why all the interest in APIs? We all know the usual stories – Uber, Airbnb, Apple Pay… the list goes on, and the reasons are plentiful. Today the question is, how? Perhaps you are looking to differentiate your business or want a first-mover advantage.  How can you execute quickly and at low cost/risk to try new market offerings?

An API provides several benefits to an organisation, but without a dedicated team of trained developers, it might seem like an implausible option. Developers are expensive, and it can take months to develop an API from the ground up. If you don’t fancy outsourcing or have the capability in house to build internal APIs, a low-code platform might just be the answer.

Before You Begin: Plan long-term, start small.

For a small one-page application, this might only be a day or two of talking with stakeholders and designing business logic. The purpose of this first step is to ensure that the API will cover all use cases and provides stakeholders with what they need. Refactoring an entire coding design due to missing business logic is not only frustrating for the development team but adds high cost and time to the API project.

During the planning and design stage, remember that running an API requires more infrastructure than just resources to execute endpoint logic. You need a database to store the data, an email system to send messages, storage for files, and security to handle authorisation and authentication. These services can be farmed out to cloud providers to expedite the API build process (e.g. AWS provides all these infrastructure components, but Microsoft Azure is an optional cloud provider with SendGrid as the email application.)

**Planning considerations: **An API “speaks” in JSON or XML, so the output provided to client applications should be decided. Should you choose to later create endpoints for public developer consumption, you could offer both for ease-of-use and fostering more adoption. Ensuring the API follows OpenAPI standards will encourage more adoption and attract more developers.

#api #rest-api #api-development #restful-api #low-code-platform #low-code #build-a-rest-api #low-code-approach