Use Next.js 14+ with Google Sheets and Resend to handle your websites wait list form all for free.

Prerequisites

1. Googleapis
2. Resend APIs

Setup Google API's

Go to https://cloud.google.com/

1. Create a Google Cloud Account
2. Enable Google Sheets API
3. Create a Service Account for a web application - you will be given an email, go to your google sheet page and add that email with editor access to the google sheet page you want
4. The service account will help you fill out the environment variables you need to communicate with your google cloud service

Create a RESEND ACCOUNT

1. Setup and create an account
2. Add a domain name to connect a domain email
3. Create an api key

GOOGLE_SHEETS_ID=""
GOOGLE_PRIVATE_KEY=<your key>
GOOGLE_PRIVATE_KEY_BUFF=""
GOOGLE_CLIENT_EMAIL=""
GOOGLE_CLIENT_ID=""
GOOGLE_TOKEN_URL=""
GOOGLE_PROJECT_ID=""
RESEND_API_KEY=""

Update where rows get written to

await sheets.spreadsheets.values.append({
  spreadsheetId,
  range: '[your sheet name]',
  valueInputOption: 'USER_ENTERED',
  requestBody: {
    values: [[Email, Name, Company, Mobile_Phone, Message, Signup_Date]], // Data must be an array of arrays (each inner array represents a row)
  },
})

Local Setup

1. npm install
2. touch env.local and then add your env variables from above
3. npm run dev to start the application

Full Tech Stack

1. Next.js with TypeScript
2. Googleapis
3. Resend API
4. TailwindCss
5. Shadcn/ui