Voice API

THEITBULLS Voice API provides programmable voice capabilities with AI agents, IVR, call routing, and real-time transcription. Build intelligent voice experiences at enterprise scale.

AI-Powered: Our Voice API includes AI voice agents and real-time transcription capabilities.

Endpoints

POST /v1/voice/calls

Initiate an outbound voice call to a phone number.

          # Make a call
          curl
          -X POST https://api.theitbulls.com/v1/voice/calls \ -H
          "Authorization: Bearer YOUR_API_KEY"
          \ -H
          "Content-Type: application/json"
          \ -d
          '{ "from": "+19876543210", "to": "+911234567890", "message": "Hello, this is a test call from THEITBULLS.", "voice": "en-US-JennyNeural" }'
          # Response
          {
          "id"
          :
          "call_abc123"
          ,
          "status"
          :
          "initiated"
          ,
          "duration"
          : 0,
          "timestamp"
          :
          "2025-06-20T14:30:00Z"
          }
        

GET /v1/voice/calls/{call_id}

Retrieve the status and details of a specific call.

          # Get call status
          curl
          -X GET https://api.theitbulls.com/v1/voice/calls/call_abc123 \ -H
          "Authorization: Bearer YOUR_API_KEY"
        

POST /v1/voice/ivr

Create or update Interactive Voice Response (IVR) configurations.

          # Create IVR
          {
          "name"
          :
          "Main Menu"
          ,
          "greeting"
          :
          "Welcome to THEITBULLS. Press 1 for Sales, 2 for Support..."
          ,
          "options"
          : [ {
          "digit"
          :
          "1"
          ,
          "action"
          :
          "transfer"
          ,
          "target"
          :
          "+19876543210"
          }, {
          "digit"
          :
          "2"
          ,
          "action"
          :
          "ai_agent"
          ,
          "agent_id"
          :
          "agent_123"
          } ] }
        

POST /v1/voice/agents

Create AI voice agents for automated conversations.

          # Create AI voice agent
          {
          "name"
          :
          "Support Bot"
          ,
          "voice"
          :
          "en-US-JennyNeural"
          ,
          "prompt"
          :
          "You are a helpful support agent. Assist customers with their inquiries."
          ,
          "knowledge_base"
          :
          "faq_123"
          }
        

POST /v1/voice/transcribe

Transcribe audio in real-time or from recorded calls.

          # Transcribe call recording
          {
          "audio_url"
          :
          "https://storage.theitbulls.com/calls/call_abc123.mp3"
          ,
          "language"
          :
          "en-US"
          }
        

Voice Features

Programmable Voice: Make and receive calls programmatically
AI Voice Agents: Intelligent conversational AI for voice
IVR: Interactive voice response with conditional logic
Call Routing: Advanced call routing based on context
Real-time Transcription: Transcribe calls in real-time
WebSocket Support: Real-time bidirectional communication

Rate Limits

Plan	Concurrent Calls	Minutes per Month
Starter	10	1,000
Business	50	10,000
Enterprise	Custom	Custom

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