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How to Make HTTP POST request in Angular 8

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In this angular 8 tutorial, we are going to learn how to send POST requests to REST API servers in your Angular 8 application using Httplient, Angular services and models. We need the HTTP POST method for many uses but mainly used to add new data on the rest api servers.

Angular 8 HttpClient use the XMLHttpRequest interface, which also supports old browsers. Angular 8 provide @angular/common/http package, to make HTTP POST requests using the POST method. Let’s start the tutorial with code example.

We need to set following things before making HTTP POST request

API ENDPOINT: This is HTTP endpoint URL using where we post data to the server.

Body: This is the data object which we need to post to the server.

Headers: We need to set request header for our HTTP POST Request.

Options: This parameter is optional. Here we pass the object of RequestOptionsArgs that uses headers.

Observable: This is the response type of

Followings are the perfect steps to make an HTTP POST request in angular8 js. In this angular 8 HTTP POST Request tutorial, we will use the default app component. Let’s start with code examples.

Import HttpClientModule in your app.module.ts file

import { BrowserModule } from '@angular/platform-browser';
import { HttpClientModule } from '@angular/common/http';

  imports: [

Create a Registration Form In Your Component HTML File

In this example, We will posts the form data to the Rest API server.

<div class="containers">
<div class="row">
<div class="col-md-6">
<form #userRegForm='ngForm' (ngSubmit)="userRegForm.form.valid && RegisterUser(userRegForm.value)" novalidate>
<h2 class="text-center">Users Registration</h2>

<div class="form-group">
                  <input type="text" class="form-control" placeholder="User Name" name="name" [(ngModel)]="name" #username="ngModel" [ngClass]="{ 'is-invalid': userRegForm.submitted && username.invalid }" required>

<div *ngIf="userRegForm.submitted && username.invalid" class="invalid-feedback">
<div *ngIf="username.errors.required" class="alert-danger">Name is required</div>


<div class="form-group">
                  <input type="text" class="form-control" id="email" placeholder="email" name="email" [(ngModel)]="email" #youremail="ngModel" [ngClass]="{ 'is-invalid': userRegForm.submitted && youremail.invalid }" required> 

<div *ngIf="userRegForm.submitted && youremail.invalid" class="invalid-feedback">
<div *ngIf="youremail.errors.required" class="alert-danger">Email is required</div>


<div class="form-group">
                  <input type="text" class="form-control" id="password" placeholder="Password" name="password" [(ngModel)]="password" #pass="ngModel" [ngClass]="{ 'is-invalid': userRegForm.submitted && pass.invalid }" required>  

<div *ngIf="userRegForm.submitted && pass.invalid" class="invalid-feedback">
<div *ngIf="pass.errors.required" class="alert-danger">Password is required</div>


<div class="form-group">
                  <input type="text" class="form-control" id="conpassword" placeholder="Confirm Password" name="conpassword" [(ngModel)]="conpassword" #conpass="ngModel" [ngClass]="{ 'is-invalid': userRegForm.submitted && conpass.invalid }" required validateEqual='password'>  

<div *ngIf="userRegForm.submitted && conpass.invalid" class="invalid-feedback">
<div *ngIf="conpass.errors.required" class="alert-danger">Confirm Password is required</div>
<div *ngIf="conpass.errors.notEqual" class="alert-danger">Password does not match</div>



<div class="align-center">
                  <button type="submit" class="btn btn-default" id="registeruser"  >Register</button>




Make A Angular Service For Your Component

When we used HttpClient post() method directly in our component, it is against the separations of the coding rule and coding standard. To retain coding standard we used angular services. Now we have to recreate our code to use an Angular service. In Angular service we make HTTP POST requests then Angular service returns the result back to our component.

So let’s create a new service:-

$ ng generate service userdata 

Now import the httpclient module in userdata.service.ts File. Next, define the base URL of the rest API server and create a function for user registration.

import { Injectable } from '@angular/core';
import { HttpClient,HttpHeaders } from '@angular/common/http';
import 'rxjs/add/operator/map'

  providedIn: 'root'
export class userdataService {

  baseUrl:string = "";

 constructor(private httpClient : HttpClient) { }

public registerUsers(obj){

     return,obj, {
     	headers: new HttpHeaders({
            'Content-Type':  'application/json',


We will pass the form data object which we will get from app.component.ts file.

Import userdata service to your component

In next step import the above-created service to your app.component.ts file. Add a private userdata parameter of type userdata to the constructor. Also, create the function which you have declared in your form then pass the data to service which you have created above. See in below code snippet:-

import { Component } from '@angular/core';

import { FormGroup, FormControl } from '@angular/forms';

import { DataService } from '../data.service';

  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
export class AppComponent {
  title = 'myapp';

  constructor(private userdataService: userdataService) { }

  ngOnInit() {



    // User data which we have received from the registration form.




You have successfully make a post request. Check your console to see response. See also
Check My New Project Gorillabow


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