How To Add Whatsapp Chat Icon To Shopify Store by Coding

1. Log in to your Shopify backend & go to “Online Store” and click “Customize” on your chosen theme.
2. In the backend, click on the three dots and select “Edit Code.”
3. Create a new section named – sid-whatsapp.liquid
4. Paste the bellow code

<style>
  .sid-whatsapp{
	position:fixed;
	width:60px;
	height:60px;
	bottom:40px;
	right:40px;
	background-color:#25d366;
	color:#FFF;
	border-radius:50px;
	text-align:center;
  font-size:30px;
	box-shadow: 2px 2px 3px #999;
  z-index:100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sid-whatsapp-icon{
  height:50px;
  width:50px;
}

@media(max-width:768px){
  .sid-whatsapp {
    position: fixed;
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
  }
}
</style>
{% if section.settings.show_whatsapp %}
<a href="https://api.whatsapp.com/send?phone={{ section.settings.whatsapp_number }}&text={{ section.settings.whatsapp_msg }}" class="sid-whatsapp" target="_blank">
  
<svg class="sid-whatsapp-icon" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="800" width="1200" viewBox="-93.2412 -156.2325 808.0904 937.395"><defs><linearGradient x1=".5" y1="0" x2=".5" y2="1" id="a"><stop stop-color="#20B038" offset="0%"/><stop stop-color="#60D66A" offset="100%"/></linearGradient><linearGradient x1=".5" y1="0" x2=".5" y2="1" id="b"><stop stop-color="#F9F9F9" offset="0%"/><stop stop-color="#FFF" offset="100%"/></linearGradient><linearGradient xlink:href="#a" id="f" x1="270.265" y1="1.184" x2="270.265" y2="541.56" gradientTransform="scale(.99775 1.00225)" gradientUnits="userSpaceOnUse"/><linearGradient xlink:href="#b" id="g" x1="279.952" y1=".811" x2="279.952" y2="560.571" gradientTransform="scale(.99777 1.00224)" gradientUnits="userSpaceOnUse"/><filter x="-.056" y="-.062" width="1.112" height="1.11" filterUnits="objectBoundingBox" id="c"><feGaussianBlur stdDeviation="2" in="SourceGraphic"/></filter><filter x="-.082" y="-.088" width="1.164" height="1.162" filterUnits="objectBoundingBox" id="d"><feOffset dy="-4" in="SourceAlpha" result="shadowOffsetOuter1"/><feGaussianBlur stdDeviation="12.5" in="shadowOffsetOuter1" result="shadowBlurOuter1"/><feComposite in="shadowBlurOuter1" in2="SourceAlpha" operator="out" result="shadowBlurOuter1"/><feColorMatrix values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.21 0" in="shadowBlurOuter1"/></filter><path d="M576.337 707.516c-.018-49.17 12.795-97.167 37.15-139.475L574 423.48l147.548 38.792c40.652-22.23 86.423-33.944 133.002-33.962h.12c153.395 0 278.265 125.166 278.33 278.98.025 74.548-28.9 144.642-81.446 197.373C999 957.393 929.12 986.447 854.67 986.48c-153.42 0-278.272-125.146-278.333-278.964z" id="e"/></defs><g fill="none" fill-rule="evenodd"><g transform="matrix(1 0 0 -1 -542.696 1013.504)" fill="#000" fill-rule="nonzero" filter="url(#c)"><use filter="url(#d)" xlink:href="#e" width="100%" height="100%"/><use fill-opacity=".2" xlink:href="#e" width="100%" height="100%"/></g><path transform="matrix(1 0 0 -1 41.304 577.504)" fill-rule="nonzero" fill="url(#f)" d="M2.325 274.421c-.014-47.29 12.342-93.466 35.839-134.166L.077 1.187l142.314 37.316C181.6 17.133 225.745 5.856 270.673 5.84h.12c147.95 0 268.386 120.396 268.447 268.372.03 71.707-27.87 139.132-78.559 189.858-50.68 50.726-118.084 78.676-189.898 78.708-147.968 0-268.398-120.386-268.458-268.358"/><path transform="matrix(1 0 0 -1 31.637 586.837)" fill-rule="nonzero" fill="url(#g)" d="M2.407 283.847c-.018-48.996 12.784-96.824 37.117-138.983L.072.814l147.419 38.654c40.616-22.15 86.346-33.824 132.885-33.841h.12c153.26 0 278.02 124.724 278.085 277.994.026 74.286-28.874 144.132-81.374 196.678-52.507 52.544-122.326 81.494-196.711 81.528-153.285 0-278.028-124.704-278.09-277.98zm87.789-131.724l-5.503 8.74C61.555 197.653 49.34 240.17 49.36 283.828c.049 127.399 103.73 231.044 231.224 231.044 61.74-.025 119.765-24.09 163.409-67.763 43.639-43.67 67.653-101.726 67.635-163.469-.054-127.403-103.739-231.063-231.131-231.063h-.09c-41.482.022-82.162 11.159-117.642 32.214l-8.444 5.004L66.84 66.86z"/><path d="M242.63 186.78c-5.205-11.57-10.684-11.803-15.636-12.006-4.05-.173-8.687-.162-13.316-.162-4.632 0-12.161 1.74-18.527 8.693-6.37 6.953-24.322 23.761-24.322 57.947 0 34.19 24.901 67.222 28.372 71.862 3.474 4.634 48.07 77.028 118.694 104.88 58.696 23.146 70.64 18.542 83.38 17.384 12.74-1.158 41.11-16.805 46.9-33.03 5.791-16.223 5.791-30.128 4.054-33.035-1.738-2.896-6.37-4.633-13.319-8.108-6.95-3.475-41.11-20.287-47.48-22.603-6.37-2.316-11.003-3.474-15.635 3.482-4.633 6.95-17.94 22.596-21.996 27.23-4.053 4.643-8.106 5.222-15.056 1.747-6.949-3.485-29.328-10.815-55.876-34.485-20.656-18.416-34.6-41.16-38.656-48.116-4.053-6.95-.433-10.714 3.052-14.178 3.12-3.113 6.95-8.11 10.424-12.168 3.467-4.057 4.626-6.953 6.942-11.586 2.316-4.64 1.158-8.698-.579-12.172-1.737-3.475-15.241-37.838-21.42-51.576" fill="#FFF"/></g></svg>
</a>
  {% endif %}
{% schema %}
  {
    "name": "Sid - Whatsapp Button",
    "settings": [
      {
  "type": "checkbox",
  "id": "show_whatsapp",
  "label": "Show Whatsapp",
  "default": true
},
      {
  "type": "text",
  "id": "whatsapp_number",
  "label": "Please Enter Your Phone Number"
},
            {
  "type": "text",
  "id": "whatsapp_msg",
  "label": "Please Enter Your Msg"
}


    ]
  }
{% endschema %}

• Go to theme.liquid open it and go in last before the </body> insert line

{%section "sid-whatsapp" %}

• Go to customize the theme the section show in last footer

• Edit it and add no and message.

• whatsapp floating icon is work perfectly.