Add dynamic forms to static sites without backend code
Visit WebsiteThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Form backend
Biggest con
Limited features
TL;DR - Basin
- Basin is a form backend service that handles submissions without server-side code
- It provides spam filtering, file uploads, and integrations for static sites
- Free tier with 100 submissions/month, paid from $4/month
What is Basin?
Available on: Web
Pros & Cons
Pros
- Form backend
- Easy setup
- Fair pricing
- Good features
- Active development
Cons
- Limited features
- Better alternatives exist
- Learning curve
- Feature gaps
- Support varies
Key Features
Pricing Plans
Pricing checked Jul 11, 2026
Free
Free
100 submissions
- 100 submissions/mo
- Unlimited forms
- Spam filtering
Pro
$9/month
Monthly
- 5K submissions
- Integrations
- File uploads
How Basin's pricing compares
At $9/mo, Basin is mid-range of its 6 direct competitors ($1.67 to $150/mo across the set).
Entry paid plan, monthly. Pricing checked Jul 11, 2026.
Reviews

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Still deciding?
Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.
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Basin FAQ
How does Basin simplify adding forms to static websites?
Which teams benefit most from using Basin?
How is Basin priced?
Can Basin handle spam filtering and file uploads for forms?
How does Basin compare to Formspree for static site form handling?
What kind of limitations should users be aware of with Basin?
Source: usebasin.com