> For the complete documentation index, see [llms.txt](https://docs.zenfinder.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zenfinder.ai/frontend-integration.md).

# Frontend Integration

Below are example flows and code snippets you can integrate into your web or mobile product.

#### Web: Replace current URL (recommended when you want the call page to fully replace the user session)

**Flow**

1. User clicks "Start Call" button.
2. Your frontend calls `POST /v1/calls` and receives `call_url`.
3. Your frontend navigates to `call_url` (e.g., `window.location.replace(call_url)`).

```html
<button id="start-call">Start Call</button>
<script>
    async function startCall() {
        try {
            const resp = await fetch('https://api.zenfinder.ai/v1/calls', {
                method: 'POST',
                headers: {
                'Authorization': 'Bearer YOUR_PARTNER_TOKEN',
                'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                redirect_url: window.location.origin + '/after-call',
                location: { latitude: 40.7128, longitude: -74.0060 },
                caller_name: "David",
                query: "plumber",
                })
            });
            
            
            if (!resp.ok) throw resp;
            const data = await resp.json();
            
            
            // Replace current page with the Zenfinder call
            window.location.replace(data.call_url);
            
        } catch (err) {
            console.error('Failed to create call', err);
            alert('Unable to start call — please try again.');
        }
    }
    
    document.getElementById('start-call').addEventListener('click', startCall);
</script>
```


---

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