Every call, handled.
Recorded, transcribed, summarized & synced to your CRM — automatically. Or let AI agents make the calls. One API, every channel.
Developer-first
From an API call to a phone call in seconds
One REST API for AI agents, inbound & outbound, browser, bridge and click-to-call. Signed webhooks stream every event to your stack. Built to ship fast and scale.
- One API for every channel
- Signed webhooks & real-time events
- Bring your own telephony, or all-inclusive billing
- Go live in minutes, scale to millions of calls
1 — Place a call
curl -X POST https://api.phonevoice.ai/api/v1/calls/initiate \
-H "Authorization: Bearer $PHONEVOICE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"recipient_phone_number": "+33612345678",
"agent_id": 1533,
"objective": "Qualify the lead, then book a demo"
}'
const res = await fetch("https://api.phonevoice.ai/api/v1/calls/initiate", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.PHONEVOICE_API_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
recipient_phone_number: "+33612345678",
agent_id: 1533,
objective: "Qualify the lead, then book a demo",
}),
});
const call = await res.json();
console.log(call.phone_call_id);
import os, requests
res = requests.post(
"https://api.phonevoice.ai/api/v1/calls/initiate",
headers={"Authorization": f"Bearer {os.environ['PHONEVOICE_API_KEY']}"},
json={
"recipient_phone_number": "+33612345678",
"agent_id": 1533,
"objective": "Qualify the lead, then book a demo",
},
)
print(res.json()["phone_call_id"])
require "net/http"
require "json"
uri = URI("https://api.phonevoice.ai/api/v1/calls/initiate")
req = Net::HTTP::Post.new(uri)
req["Authorization"] = "Bearer #{ENV['PHONEVOICE_API_KEY']}"
req["Content-Type"] = "application/json"
req.body = {
recipient_phone_number: "+33612345678",
agent_id: 1533,
objective: "Qualify the lead, then book a demo",
}.to_json
res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) { |h| h.request(req) }
puts JSON.parse(res.body)["phone_call_id"]
2 — Get the result via signed webhook
{
"event": "call.completed",
"phone_call_id": "pc_8f2a91",
"status": "completed",
"duration_seconds": 142,
"recipient_phone_number": "+33612345678",
"summary": "Lead qualified — demo booked for Thursday at 2pm.",
"transcript_url": "https://api.phonevoice.ai/api/v1/calls/pc_8f2a91/transcript",
"structured_data": {
"qualified": true,
"appointment": "2026-06-12T14:00:00+02:00"
}
}
Products
Every way to put voice to work
Phonevoice runs all of your business voice — AI agents and outbound robots, browser, bridge and click-to-call, plus the relay and the integrations that connect it to your stack.
AI phone agents
A voice agent that answers, qualifies and books appointments, 24/7, in your brand's voice.
Learn more →Call campaigns
Launch outbound calling campaigns at scale: surveys, reminders, lead qualification.
Learn more →Relay number
A smart number on top of your line: recording, transcription, summary and webhooks.
Learn more →Conference calls
Bring several participants onto one call — recorded, transcribed and summarized.
Learn more →Live monitoring
A manager silently listens to a live call and can take over when needed.
Learn more →Click-to-call
A button on your site or CRM places the call in one click — no hardware.
Learn more →AI receptionist
A phone front desk that answers, informs and routes every caller to the right team.
Learn more →International numbers
Get local numbers in dozens of countries and give your brand a local presence.
Learn more →SMS follow-ups
Text a follow-up or confirmation after the call, or auto-reply to missed calls.
Learn more →
Everything you need
to build voice agents.
A complete toolkit for demanding developers.
Ultra-Low Latency
Fluid conversations with less than 300ms latency thanks to our Speech-to-Speech infrastructure.
Latest Realtime AI Models
Access the latest AI voice models for unmatched understanding and voice generation.
BYO Carrier (Twilio/Vonage)
Connect your own Twilio or Vonage account. Keep your numbers and negotiated rates.
API-First & Webhooks
Integrate voice into your apps in a few lines of code. Full documentation and real-time webhooks.
Dashboard & Reporting
Track your KPIs, call times, costs, and resolution rates from a unified dashboard.
Live Visualization
Watch calls in real-time. See who is speaking, AI status, and actions in progress.
Enhanced Transcription
Access full call transcription with speaker identification and sentiment analysis.
Stereo Audio Export
Download high-quality stereo WAV recordings (User left channel, Agent right channel).
Talk to a live agent
Pick a use case and call an AI voice agent right from your browser — no signup.
Talk to an agent
Live interactive demo
Ready to give your apps a voice?
Create your developer account and place your first call in minutes.
Create Account