Best Web3Forms Alternative for Developers

Web3Forms' free plan does one thing: it emails you the submission. Every feature a developer reaches for next — webhooks, the submissions API, file attachments, autoresponders — is on the Pro plan, and keeping bots out means putting an hCaptcha in front of your users.

Formboost starts where that ceiling is. Below is what Web3Forms holds back, what Formboost gives you on the free plan, and how to move a form across.

Where Formboost is different

Slack, Discord and Telegram are native, on every plan including Free. With Web3Forms these need a Pro webhook plus something listening on the other end. With Formboost they are destinations you configure on the form — the free plan gives you one destination per form, Starter raises it to five.

Spam screening happens server-side, so your users never meet a captcha. Every submission is scored before it is stored. The free plan uses heuristics, Starter adds an AI pass over the ambiguous cases, and Pro and Business run the AI check on every submission using your form's description as context. Nothing gets bolted onto your markup.

Submissions live in a dashboard, not an inbox. Every submission is searchable and carries its spam verdict, so looking up a message from two weeks ago does not mean scrolling through email.

Custom webhooks start on Starter, at $9/mo. That is the one paid line on the Formboost side — and it buys five destinations per form, the AI spam pass, and 5,000 submissions a month, not a webhook on its own.

What Web3Forms gates behind Pro

Per Web3Forms' own documentation, these are Pro features rather than free ones:

• Webhooks — sending a submission anywhere other than email.
• The submissions API — read-only access to list your forms, page through submissions, and fetch one by id.
• File attachments and the advanced uploader.
• Autoresponder (auto-reply), CC recipients, and domain restriction.
• reCAPTCHA and Cloudflare Turnstile. hCaptcha is available on the free plan; a honeypot field is documented but marked not recommended.

The free plan is an email relay. The developer surface is the paid product.

Feature comparison

Check web3forms.com/pricing for their current limits and Pro price before deciding; plans change.

Moving a form across

Web3Forms identifies your form with a hidden access_key posted to one shared endpoint. Formboost gives each form its own endpoint, so the access key comes out:

1<!-- Web3Forms -->
2<form action="https://api.web3forms.com/submit" method="POST">
3  <input type="hidden" name="access_key" value="YOUR_ACCESS_KEY" />
4  <input type="email" name="email" required />
5  <textarea name="message"></textarea>
6  <button type="submit">Send</button>
7</form>
8
9<!-- Formboost -->
10<form action="https://formboost.app/f/YOUR_ENDPOINT_ID" method="POST">
11  <input type="email" name="email" required />
12  <textarea name="message"></textarea>
13  <button type="submit">Send</button>
14</form>

Your captcha markup can come out too, and _redirect still points at your thank-you page. The full checklist is in the migration guide.

Read next

• Formboost vs Web3Forms — the full feature and pricing comparison
• Web3Forms alternative — the short version
• Migrate from Web3Forms — step by step
• Handle form submissions without a backend — the general case

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