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Launching Outbound Calls Through the Bolna Dashboard

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Step 1: Access Your Bolna Platform Account

Navigate to https://platform.bolna.ai and authenticate using your registered account credentials.
Bolna platform login interface showing authentication process for connecting Voice AI agent dashboard with your Exotel account

Login Bolna playground


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Step 2: Configure Exotel as Your Telephony Provider

Within your agent configuration settings, select Exotel from the available call provider options. This designation tells Bolna to route all outbound calls through Exotel’s telephony infrastructure.
Exotel provider selection in Bolna agent configuration showing call provider setup for outbound Voice AI calling

Choose Exotel as the agent call provider


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Step 3: Initiate Calls to Your Target Recipients

Enter the phone numbers of your intended call recipients in the designated input field. Bolna will automatically initiate calls through your Exotel connection, engaging with each recipient using the voice agents you’ve configured.
Outbound call initiation interface in Bolna showing phone number input and call placement process using Exotel integration

Start placing phone calls on Bolna using Exotel


To utilize your own dedicated Exotel phone numbers for outbound calling, you must first establish a connection between your Exotel account and Bolna. Detailed instructions for linking your Exotel account are available in the providers configuration guide.

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Programmatic Outbound Calling Using Bolna APIs

For developers building custom applications or integrating voice AI into existing systems, Bolna provides comprehensive REST APIs for programmatic call management.

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Step 1: Obtain Your API Authentication Key

  1. Generate and save your Bolna API Key

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Step 2: Configure Agent with Exotel Provider

When creating or updating your Bolna agent through the /create Agent API, specify exotel as both the input and output provider within your tools configuration. 
...
...
"tools_config": {
    "output": {
        "format": "wav",
        "provider": "exotel"
    },
    "input": {
        "format": "wav",
        "provider": "exotel"
    },
    "synthesizer": {...},
    "llm_agent": {...},
    "transcriber": {...},
    "api_tools": {...}
}
...
...

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Step 3: Trigger Outbound Calls Programmatically

Execute the /call API endpoint to initiate outbound calls to your target recipients. Include your agent ID and the recipient’s phone number in E.164 international format. The API will return a call ID that you can use to track call status and retrieve conversation analytics. 

curl --request POST \
  --url https://api.bolna.ai/call \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '{
  "agent_id": "fd3d9b56-0742-4a39-aaac-50dec1f37d00",
  "recipient_phone_number": "+919876543210"
}'