If you want to get notifications from your web forms into your WhatsApp without any backend programming, WhatsHook is a good option. This service lets you send real-time notifications from web apps and APIs to your WhatsApp account using a specific URL. It's simple to set up and lets you customize messages and debug, so it's good for developers and growth hackers who need to keep up to speed.
Another option is Botpress, a ChatGPT chatbot builder that also can integrate with WhatsApp and other services. Although it's geared for building AI agents, it's got features like GPT integration, database synchronization and API customization that make it useful for automating and personalizing your responses.
Last, Sheet Monkey is a platform-agnostic form connection tool that can link to Google Sheets and other services like Webflow and WordPress so your forms can submit data without any backend programming. It also can send email notifications and accept file uploads, so it's a good option if you want to automate the process of storing user data and submitting it.