Web3Forms
Free form backend: point your HTML form at it and get submissions by email.
Forms
What you get
A form backend for static sites: unlimited forms and domains, 250 submissions a month, spam protection, hCaptcha and a custom redirect page.
How to get it
Create an access key at web3forms.com and use it in your form.
What it requires
An email address to receive submissions.
The catch
Only 250 submissions a month. File uploads, autoresponders, webhooks and multiple recipients start on Pro ($12/month billed yearly).
From the official page · checked Oct 26, 2026