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Agents

Virtual AI assistants that handle voice interactions.

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Create Agent

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POST /api/v1/agents
Create a new AI agent by selecting voice model characteristics and the underlying language model for script execution.

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List Agents

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GET /api/v1/agents
Retrieve a paginated list of all available agents in your account.

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Get Agent

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GET /api/v1/agents/{agentId}
Fetch detailed configuration and status information for a specific agent.

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Update Agent

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PATCH /api/v1/agents/{agentId}
Modify an existing agent’s properties like name, voice settings, or personality.

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Delete Agent

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DELETE /api/v1/agents/{agentId}
Permanently remove an agent from your account.

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Flows

Complex flows that define how agents handle calls and route conversations.

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Create Flow

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POST /api/v1/flows
Create a new call flow by defining flows for call handling and routing logic.

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List Flows

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GET /api/v1/flows
Get a paginated list of all call flows in your account.

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Get Flow

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GET /api/v1/flows/{flowId}
Retrieve detailed configuration for a specific call flow including routing logic.

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Update Flow

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PATCH /api/v1/flows/{flowId}
Modify an existing call flow and routing rules.

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Delete Flow

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DELETE /api/v1/flows/{flowId}
Permanently remove a call flow from your account.

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Calls

Manage outbound voice calls using agents and flows.

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Send Call

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POST /api/v1/calls/call
Initiate a new outbound call using an AI agent.

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Request Body

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agentId
string
required
The unique identifier of the AI agent that will handle the call
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toNumber
string
required
The phone number to call in E.164 format (e.g., +1234567890)

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Response

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status
string
Will be “success” if the call was initiated successfully
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callId
string
A unique identifier for the call
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roomName
string
Internal room identifier for the call session
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fromNumber
string
The phone number the call will be placed from
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toNumber
string
The destination phone number
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agent
object

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Example Response

{
  "status": "success",
  "callId": "ab12cd34ef",
  "roomName": "64f8e3b1c12d8e9a4f3c2d1e-ab12cd34ef",
  "fromNumber": "+1987654321",
  "toNumber": "+1234567890",
  "agent": {
    "id": "64f8e3b1c12d8e9a4f3c2d1e",
    "name": "Sales Assistant",
    "model": "gpt-4o-mini",
    "voice": {
      "provider": "openai",
      "voiceId": "alloy"
    }
  }
}

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Error Responses

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404 - Not Found
{
  "error": "Agent not found",
  "details": "The specified agent does not exist or you don't have access to it"
}
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400 - Bad Request
{
  "error": "Invalid configuration",
  "details": "Agent has no phone number configured"
}
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500 - Internal Server Error
{
  "error": "Failed to initiate call",
  "details": "Error message",
  "code": "UNKNOWN_ERROR"
}

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Notes

  • The agent must have an active phone number configured
  • The agent must have an active flow configured
  • All phone numbers should be in E.164 format (+[country code][number])
  • Calls are recorded by default unless specified otherwise
  • Maximum call duration is typically 1 hour

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Batch Calls

Efficiently make multiple AI-powered calls using CSV data uploads.

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Download CSV Template

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GET /v1/api/batch-calls/template
Download a properly formatted CSV template for batch call operations.

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Validate CSV

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POST /v1/api/batch-calls/validate
Validate a CSV file and preview the data before starting batch calls.

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Preview CSV Data

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POST /v1/api/batch-calls/preview
Preview the data from a CSV file to verify formatting and content.

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Start Batch Operation

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POST /v1/api/batch-calls
Initiate a batch call operation using a CSV file and specified agent.

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Get Batch Status

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GET /v1/api/batch-calls/{batchId}
Get detailed status information for a batch call operation.

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Get Batch Progress

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GET /v1/api/batch-calls/{batchId}/status
Get real-time progress information for a batch call operation.

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List Batch Calls

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GET /v1/api/batch-calls/{batchId}/calls
Get a paginated list of all calls within a batch operation with filtering.

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Get Individual Call Status

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GET /v1/api/batch-calls/{batchId}/calls/{jobId}
Get the status of an individual call within a batch operation.

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Cancel Batch Operation

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DELETE /v1/api/batch-calls/{batchId}
Cancel a batch call operation and stop remaining calls from processing.