Fetch API is a built-in javascript API so that means you don’t have to install it, is similar to XMLHttpRequest but this new API provides powerful features.
You can use Fetch API to collect submissions from your form with formcarry

JSON Request Using Fetch API

Let's make a simple request
javascript
<script> fetch('https://formcarry.com/s/yourFormId', { method: 'POST', headers: {'Content-Type': 'application/json', 'Accept': 'application/json'}, body: JSON.stringify({name: 'Alex', surname: 'Moran'}) }) .then(response => console.log(response)) .catch(error => console.log(error)) </script>
Output:
javascript
{ok: true, redirected: false, status: 200}
To try it, just change the url to your forms url.

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x-www-form-url-encoded Request Using Fetch API

Let's make a simple request
javascript
<script> fetch('https://formcarry.com/s/yourFormId', { method: 'POST', headers: {'Content-Type': 'application/x-www-form-url-encoded', 'Accept': 'application/json'}, body: 'name=alex&surname=moran' }) .then(response => console.log(response)) .catch(error => console.log(error)) </script>
Output:
javascript
{ok: true, redirected: false, status: 200}
Here’s a function for you to turn your javascript object to valid format
javascript
let formData = {name: 'Alex', surname: 'Moran'}; // function const encodeFormData = (data) => { return Object.keys(data) .map(key => encodeURIComponent(key) + '=' + encodeURIComponent(data[key])) .join('&'); } // usage encodeFormData(formData); // output // name=Alex&surname=Moran // using in fetch fetch('https://formcarry.com/s/yourFormId', { method: 'POST', headers: {'Content-Type': 'application/x-www-form-url-encoded', 'Accept': 'application/json'}, body: encodeFormData(formData) }) .then(response => console.log(response)) .catch(error => console.log(error))

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