Contact person: Website Form to Google Sheets Integration

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Location: New Delhi, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I need my existing HTML / CSS / JavaScript order form to push every submission straight into an existing Google Sheets template I will share with you. Each field—name, email, phone, address, product details and any future additions—has to arrive in the correct column, with full validation on the browser side before anything is sent. If a value is missing or in the wrong format, the user should see a friendly inline error message, not a failed submission.

Once the data passes validation it must travel securely (no exposed credentials, no open CORS) to Google Sheets through Apps Script or the Google Sheets API. After a successful write, the form may optionally redirect to a custom “Thank You” page; please leave this hook in place so I can toggle it on or off later.

Because I already have the spreadsheet layout, map your code to those exact headers. Comment your Apps Script thoroughly and add a short README so I can adjust column names, add new fields, or clone the integration for other forms down the road.

Deliverables
• Updated HTML/JS that handles field-level validation and posts data
• Google Apps Script (or lightweight backend) that writes to my template and returns success / error JSON
• One live test proving entries appear in the sheet in real time
• README / inline comments explaining how to maintain or edit the setup

If you prefer a different secure approach, let me know—flexibility on tools is fine as long as the flow stays fast, reliable and future-proof." (client-provided description)