API Reference - CallKaro AI Docs

Quick Start

Make your first API call in under 5 minutes.

Get your API key

Navigate to Dashboard → API Key and copy your key

Make a test call

curl -X POST https://api.callkaro.ai/call/outbound \
  -H "Content-Type: application/json" \
  -H "X-API-KEY: your_api_key_here" \
  -d '{
    "to_number": "+919876543210",
    "agent_id": "your_agent_id"
  }'

Check dashboard

Monitor your call in the Call History

Base URL

All API requests should be made to:

https://api.callkaro.ai

Authentication

Include your API key in the X-API-KEY header for all requests:

X-API-KEY: your_api_key_here

Keep your API key secure! Never expose it in client-side code or public repositories.

Available Endpoints

Outbound Call

Make individual calls

Campaign (v1)

Create campaigns with agent ID

Campaign (v2)

Create campaigns without agent ID

Common Responses

Success Response

{
  "status": "success",
  "message": "Call created successfully",
  "call_id": "abc123def456"
}

Error Responses

Status Code	Description
`400`	Bad Request - Missing or invalid parameters
`403`	Forbidden - Invalid or missing API key
`404`	Not Found - Agent doesn’t exist
`500`	Internal Server Error

{
  "status": "error",
  "message": "Missing required field: agent_id"
}

Need Help?

Support

Email us at support@callkaro.ai

Dashboard

Manage your agents and calls

​Quick Start

​Base URL

​Authentication

​Available Endpoints

Outbound Call

Campaign (v1)

Campaign (v2)

​Common Responses

​Success Response

​Error Responses

​Need Help?

Support

Dashboard

Quick Start

Base URL

Authentication

Available Endpoints

Common Responses

Success Response

Error Responses

Need Help?