WhichSMS

Voice Calls

Broadcast your voice.
At scale.

Reach audiences who prefer listening over reading. Upload pre-recorded audio or use our advanced AI text-to-speech to broadcast voice messages instantly across Africa.

7+
AI Voices
Never
Credits expire
HD
Audio Quality
100%
API Uptime

Platform Features

Everything for voice broadcasting.

Whether it's a political campaign, religious broadcast, or emergency alert, we provide the tools to make your voice heard.

Text-to-Speech (TTS)

Type your script and our advanced AI will instantly convert it to natural-sounding audio in multiple local accents.

Audio Upload

Record your own voice message (MP3 or WAV) and upload it directly to the dashboard for broadcasting.

High Definition Routing

Calls are routed through direct tier-1 connections ensuring crystal clear audio quality for every recipient.

Scheduled Broadcasting

Set up your voice campaign now and schedule it to automatically dial out at the perfect time.

Call Analytics

See exactly who picked up, how long they listened, and who missed the call with real-time reports.

Two ways to send

Dashboard or API.
Your workflow, your choice.

Use the visual dashboard to manage audio files, or hit the REST API to trigger voice calls programmatically.

No Code

Web Dashboard

Upload contacts, manage your audio library, schedule campaigns, and view listening analytics all in one place.

Open dashboard
Developers

REST API

Trigger voice broadcasts from your own application. Pass an audio URL or text payload for instant TTS conversion.

POST /v1/voice{ "to": "+1234", "text": "Alert!" }
Read API Docs
WhichSMS