Developer API

Form submission API
free tier

Full-featured form API with no rate limits. Submit data, retrieve submissions, set up webhooks. All free, forever.

Submit Form Data

// Submit form data
fetch('https://fastsubmit.cloud/api/submit/FORM_ID', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    name: 'John Doe',
    email: 'john@example.com',
    message: 'Hello!'
  })
})

Retrieve Submissions

// Get submissions
fetch('https://fastsubmit.cloud/api/forms/data/FORM_ID', {
  headers: { 'Authorization': 'Bearer YOUR_API_KEY' }
})
.then(res => res.json())
.then(data => console.log(data))

API features included free

API Keys

Secure API keys for authentication. Manage access easily.

REST Endpoints

Standard REST API. POST submissions, GET data, DELETE entries.

Webhooks

Real-time webhooks to your server on every submission.

JSON Responses

Clean JSON responses. Easy to parse and integrate.

CORS Enabled

Cross-origin requests enabled. Call from any domain.

No Rate Limits

Unlimited API calls on free tier. Scale without worry.

API endpoints

POST/api/submit/{formId}Submit form data
GET/api/forms/data/{formId}Retrieve all submissions
GET/api/forms/{formId}Get form configuration
DELETE/api/submissions/{id}Delete a submission

FAQ

Is the API really free?

Yes! Our API is completely free with no rate limits. Use it for personal projects, startups, or enterprise applications.

What can I do with the form API?

Submit form data, retrieve submissions, set up webhooks, integrate with your apps, automate workflows, and more.

Are there rate limits?

No rate limits on the free tier! Make as many API calls as you need.

How do I authenticate?

Use API keys for authentication. Generate keys from your dashboard and include them in request headers.

Can I use webhooks?

Yes! Set up webhooks to receive real-time notifications when forms are submitted.

Start building with our API

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