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Head-to-head · Form API Software

OpnForm vs Basin

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score OpnForm #4 in Form API Software 8.8/10 Free plan Free plan✓ 1 of 4 features Visit OpnForm
Basin #5 in Form API Software 8.7/10 Free plan · 14-day trial Free planFree trial✓ 3 of 4 features Visit Basin

OpnForm leads on 0 checks, Basin on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpnForm · 8.8/10
  • Lowest starting priceBasin · $12.50/mo
  • Free planboth
  • Free trialonly Basin
  • Most featuresBasin · 3 of 4

OpnForm scores higher on our rubric for form api software: 8.8 against 8.7 out of 10; our editors rank them #4 and #5.

Basin is cheaper to start at $12.50/mo against $25/mo.

OpnForm is the better fit for budget-conscious teams wanting self-hosting. Basin is the better fit for small teams needing low-cost API endpoints.

  • OpnForm fits best

    Budget-conscious teams wanting self-hosting

  • Basin fits best

    Small teams needing low-cost API endpoints

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature OpnForm 8.8/10 Visit ↗ Basin 8.7/10 Visit ↗
At a glance
Editor score 8.8 8.7
Ranking #4 in Form API Software #5 in Form API Software
Best for Budget-conscious teams wanting self-hosting Small teams needing low-cost API endpoints
Pricing model Free plan + paid Free plan + paid
Starting price $25/mo $12.50/mo (best)
Free plan ✓ ✓
Free trial — 14 days
Deployment Cloud, Self-hosted Cloud
Platforms Web Web
Support Live chat, Community, Docs Email, Phone, Tickets, Community, Docs
Compliance GDPR, SSO/SAML, 2FA GDPR
Integrations 8 integrations 3,000+ integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features OpnForm 1/4 · Basin 3/4
Conditional logic Not checked yet ✓ (best)
Webhooks Not checked yet ✓ (best)
File uploads ✓ ✓
Electronic signatures Not checked yet Not checked yet
Specs
Deployment model Not checked yet Cloud
Monthly submissions Not checked yet 250 /mo
Our review
Pros
  • Unlimited forms and submissions on the Free plan
  • REST API, webhooks, payments, uploads, and computed fields
  • Self-hosted deployment with SSO options and audit logs
  • Free plan with one endpoint and 50 monthly submissions
  • Conditional logic, file uploads, webhooks, and API access
  • Hosted and embeddable forms with broad integrations
Cons
  • Advanced roles and permissions begin on the Business plan
  • Enterprise SSO and compliance features require the Enterprise tier
  • Community Edition includes community support rather than priority support
  • Free plan limits usage to one endpoint and 50 submissions
  • Higher submission limits require paid annual-billing plans
  • Advanced features are distributed across multiple paid tiers
Our verdict

OpnForm is an online form builder and form API for individuals, creators, teams, agencies, and enterprises. It supports surveys, workflows, conditional logic, computed fields, multi-step layouts, file uploads, Stripe payments, webhooks,…

Read the review →

Basin is a cloud form backend and no-code form builder for agencies, businesses, freelancers, startups, creators, and small teams. Existing HTML forms can send submissions to Basin endpoints without server-side code, while Form Studio…

Read the review →
  1. OpnFormForm API Software 8.8Free plan
  2. BasinForm API Software 8.7Free plan · 14-day trial

Strengths and trade-offs

  • OpnForm — where it wins

    • Unlimited forms and submissions on the Free plan
    • REST API, webhooks, payments, uploads, and computed fields
    • Self-hosted deployment with SSO options and audit logs

    Where it doesn't

    • Advanced roles and permissions begin on the Business plan
    • Enterprise SSO and compliance features require the Enterprise tier
    • Community Edition includes community support rather than priority support

  • Basin — where it wins

    • Free plan with one endpoint and 50 monthly submissions
    • Conditional logic, file uploads, webhooks, and API access
    • Hosted and embeddable forms with broad integrations

    Where it doesn't

    • Free plan limits usage to one endpoint and 50 submissions
    • Higher submission limits require paid annual-billing plans
    • Advanced features are distributed across multiple paid tiers
  • OpnForm8.8/10 · Free plan

    A flexible form API with a free tier, payments, integrations, and self-hosting.

    Visit OpnFormFull verdict →
  • Basin8.7/10 · Free plan · 14-day trial

    A low-cost form API with hosted forms, uploads, logic, webhooks, and integrations.

    Visit BasinFull verdict →

More comparisons

All form API software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update