When comparing Submit JSON and Basin, the biggest differences are pricing model, submission limits, and overall product focus.
Basin's paid plans start at $15/month for 250 submissions. Submit JSON's closest paid tier starts at $15/month with 10,000 submissions, and scales to 50,000 submissions at $49/month.
Basin may be a better fit if you want a built-in form builder and more opinionated defaults.
If you want an API-first backend that gives you full control over UX and works cleanly with modern JavaScript stacks, Submit JSON is usually the stronger fit.
Pricing and limits verified from public pricing/docs pages in April 2026; competitor plans may change over time.
Google Sheets integration