Service Features & Fair Use
FastSubmit is completely free with unlimited usage. Learn about our fair use policy.
Service Features
✨ FastSubmit is completely free with unlimited usage!
No credit card required, no hidden fees, no usage limits. We believe in providing a great service without restrictions.
Create as many forms as you need
No limit on form complexity
No monthly submission limits
Submissions stored indefinitely
Subject to fair use policy
Verify as many domains as needed
| Resource | Limit | Notes |
|---|---|---|
| Forms | Unlimited | Create as many forms as you need |
| Fields per Form | Unlimited | No limit on form complexity |
| Submissions | Unlimited | No monthly submission limits |
| Submission Storage | Unlimited | Submissions stored indefinitely |
| API Requests | Unlimited | Subject to fair use policy |
| Verified Domains | Unlimited | Verify as many domains as needed |
Fair Use Policy
While we offer unlimited usage, we implement rate limiting to prevent abuse and ensure service quality for all users.
Submit Endpoint
10 req/min
Per IP address
Management API
100 req/min
Per API key
Rate Limit Exceeded
If you exceed the rate limit, you'll receive a 429 Too Many Requests response. Wait a few minutes before retrying.
Request Size Limits
1 MB10,000 characters100 fields100 options| Limit | Value |
|---|---|
| Maximum request body size | 1 MB |
| Maximum field value length | 10,000 characters |
| Maximum fields per form | 100 fields |
| Maximum select options | 100 options |
Data Retention
Unlimited Storage: Your form submissions are stored indefinitely. We don't automatically delete old submissions. You can manually delete submissions at any time via the dashboard or API.
Best Practices
Cache API responses
Cache form configurations and submission lists to reduce API calls
Use pagination
When fetching submissions, use the limit parameter
Implement client-side validation
Validate form data before submitting to reduce unnecessary API calls
Handle rate limits gracefully
Implement exponential backoff when you receive 429 responses