Log in to your BigCommerce account, go to Apps & Integrations and start searching for 123 Form Builder.
Next, click on Get this app.
Now, select Install and Launch App.
Start creating your first form and publish it on your webpage. Copy the publishing code from Publish – Embed Methods and paste it into the HTML source code of your webpage.
The form will appear on the live version of your webpage.
Form users will be able to submit the form and all form submissions will be sent to your 123 Form Builder account, in the Submissions section of your web form.
You can use 123 Form Builder to create complex order forms that can be integrated with various payment processors. This way, customers can pay for your products directly on the order form you have published on your BigCommerce store.