Techalpha GroupAPI
Voice API

Automated calls that speak your message

Place outbound calls that play a text-to-speech or recorded message, collect a keypress and report the outcome. Built on the outbound IVR Techalpha already runs for its customers.

Get early accessSee pricing
Example request
curl https://api.techalpha.io/v1/calls \  -H "Authorization: Bearer $TECHALPHA_KEY" \  -d to="+14155550123" \  -d say="Your payment of 40 dollars is due Friday. Press 1 to pay now." \  -d gather="dtmf"
To +1 415 555 0123

Outbound call · 0:24

Keypress received: 1

  • Ringing
  • Answered
  • Completed

Example request. Endpoints may change during early access.

What teams use Voice for

Voice OTP

Read a code aloud for people who cannot get SMS.

Payment reminders

Call with a reminder and take a keypress to continue.

Urgent alerts

Reach people when a text is easy to miss.

Use Voice from an AI agent

The Techalpha MCP server exposes Voice as tools any MCP client can call. Your agent gets the same capability as your code, with the same key.

About the MCP server

Planned tools

  • call_startPlace a call that speaks text or plays audio
  • call_statusRead the outcome of a call

Add another channel with the same key

Start building with Voice

Early access is open. Tell us what you're building and we'll set you up with OTP, lookup, messaging, voice and the MCP server.

Get early accessRead about the MCP server