Add axios and function to get API

index.vue

<template>
  <div class="mt-5">
    <div class="row">
      <div class="col-12" v-for="item in posts" v-bind:key="item.key">
        <div class="card">
          <div class="card-body">
            <h5 class="card-title">{{ item.title }}</h5>
            <h6 class="card-subtitle mb-2 text-muted">{{ item.publishedAt }}</h6>
            <p class="card-text">{{ item.description }}</p>
            <a href="#" class="card-link">Card link</a>
            <a href="#" class="card-link">Another link</a>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import axios from 'axios'

export default {
  data () {
    return {
      allPost: [],
      posts: []
    }
  },
  mounted () {
    axios('https://newsapi.org/v2/everything?q=programming&domains=techcrunch.com,techinasia.com&apiKey=API_KEY', {
      crossDomain: true
    }).then( ({ data }) => {
      this.allPost = data.articles
      data.articles.map((item, key) => {
        if (item.description !== null && this.posts.length < 9) {
          this.posts.push(item)
        }
      })
    })
  }  
}
</script>