Embeddable Twilio Dialer

A browser-based dialer powered by Twilio Voice (WebRTC). Drop it into any site as an iframe, or trigger calls remotely with a single HTTP request.

Try it

Embed as iframe

<iframe
  src="https://dialer.altahq.com/embed"
  allow="microphone"
  width="400"
  height="640"
  style="border:1px solid #e5e7eb;border-radius:12px"
></iframe>

Trigger a call via API

curl -X POST https://dialer.altahq.com/api/public/trigger-call \
  -H "Content-Type: application/json" \
  -H "x-api-key: <DIALER_API_KEY>" \
  -d '{"to":"+15558675310"}'

Returns 200 { id, queued: true }. The open dialer auto-picks up the call within ~3 seconds.

API contract

POST /api/public/trigger-call
Header x-api-key required
Body: { "to": "+E164", "from"?: "+E164" }
401 invalid key · 400 invalid payload · 500 server