Not AI for your phone — a real phone for your AI.
Call and text with your AI agent in minutes. Ask your agent to make calls for you, and it will. You choose the phone number. Starting at only $2 per month plus usage.
“Go to agentphone.one and get a phone number for yourself.”
https://bqrrisyunrqjqefgvncr.supabase.co/functions/v1/acp-mcp
https://bqrrisyunrqjqefgvncr.supabase.co/functions/v1/acp-mcp
Authorization: Bearer hpx_…
“Tell your agent: go to agentphone.one and get a phone number for yourself; and it will.”
I reserved a San Francisco number on agentphone.one so we can talk and text directly. Click below to approve and activate it:
Most of the real world still runs on phone calls and text messages. Give your agent a dedicated number so it can act on your behalf anywhere.
Save your agent in your phone's contacts. Call it while driving or text it quick instructions on the go.
Try it now →In Claude, ChatGPT, or any AI assistant, say: “Go to agentphone.one and get a phone number for yourself.”
Your agent interfaces with agentphone.one, finds available numbers in your area code, and presents a 1-click purchase button.
Call or text your agent anytime—or ask your agent to call businesses, book appointments, and take messages for you.
Pick an area code below—or let your agent pick one for you and hand you the checkout link.
{
"id": "num_01J9Z8K4X2P",
"phone_number": "+1 (415) 890-4321",
"region": "San Francisco, CA",
"monthly_fee_usd": 2.00,
"checkout_url": "https://agentphone.one/checkout/num_01J9Z8K4X2P",
"voice_mode": "hosted_room",
"voice_status": "active_immediately"
}
Provision US numbers in one API call for $2/mo. Route voice into a hosted LiveKit room (hosted_room) or your own SIP stack (sip_forward), stream live transcripts, and send SMS/MMS via signed webhooks (Standard Webhooks format, Svix-compatible)—all documented at developers.helpfulai.app.
curl -X POST https://developers.helpfulai.app/api/v1/numbers \
-H "Authorization: Bearer $AGENTPHONE_API_KEY" \
-H "Content-Type: application/json" \
-d '{"area_code": "415", "voice_mode": "hosted_room", "webhook_url": "https://example.com/agentphone"}'
Don't want to manage WebRTC, VAD, or turn-taking? Choose hosted_room (`20¢/min`) and incoming calls ring straight into a managed LiveKit agent session. Already running your own voice server? Choose sip_forward (`10¢/min`) with your sip_uri for direct SIP forwarding + signed events.
Full OpenAPI specs, webhook delivery logs, and scoped hpx_… API keys live on developers.helpfulai.app so engineering teams have complete programmatic control.
US carriers require 10DLC registration for business texting. Your number is added to HelpfulAI's carrier-registered campaign when you activate it, so SMS and MMS work within minutes. Want to text under your own brand? Bring-your-own 10DLC registration is coming.
Give your agents room to call and text on your behalf—while keeping human approval, spend limits, and tenant isolation firmly in your hands.
When an agent requests a number from agentphone.one, it never charges your card silently—it hands you a 1-click checkout link or operates strictly within your pre-authorized org policy.
Control which numbers an agent can access, who it is allowed to call or text, and revoke or rotate hpx_… credentials instantly from your dashboard.
Keep each agent's phone numbers, call transcripts, and webhook deliveries cleanly isolated—with HMAC-SHA256 signed webhooks (Standard Webhooks format, Svix-compatible).
No seat licenses. Billed monthly via Stripe. Cancel anytime.
You or your agent choose the area code and number.
With your own stack (sip_forward), or 20¢/min turnkey hosted voice (hosted_room).
3.0¢ per MMS picture message. Active within minutes under our registered campaign.
Unlike legacy CPaaS dashboards where humans manually configure trunks and webhooks, your agent requests its own area code and hands you a 1-click approval card.
Choose turnkey LiveKit voice rooms (hosted_room) or forward raw SIP (sip_forward) to your own stack, with SMS active in minutes under our registered campaign.
hpx_ key across 5 productsPair your agent’s phone number with agentemail.one, agentcalendar.one, agentidentity.one, and agentsmesh.one under one HelpfulAI organization.
Paste this prompt into Claude, ChatGPT, or Cursor—or pick a number yourself right now for $2/month.