Classic Open API Overview

The Classic Open API provides the original set of CekatAI endpoints for partner integrations, template management, and messaging operations.

Base URL

Base URL: https://api.cekat.ai

All Classic Open API endpoints are accessed through this base URL.

Available Endpoints

Category	Description	Endpoints
Business	Partner registration	`POST /register`
Inboxes	Get inbox list	`GET /inboxes`
Templates	Manage message templates	6 endpoints
Integrations	Manage integrations	2 endpoints
Messages	Send and retrieve messages	4 endpoints

Quick Reference

Business

Inboxes

List and manage inboxes.

Templates

Create and send message templates.

Integrations

Configure external integrations.

Messages

Send WhatsApp messages.

Authentication

Classic Open API uses two authentication methods:

Endpoint Type	Authentication Method
`POST /register`	`x-partner-api-key` header
All other endpoints	Bearer token or `api_key` parameter

Response Format

All responses are returned in JSONformat:

200 OK

{
  "success": true,
  "data": {
    // Response data here
  }
}

Error Handling

Errors follow a consistent format:

400 Error

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters",
    "details": [
      {
        "field": "inbox_id",
        "message": "inbox_id is required"
      }
    ]
  }
}

Rate Limits

Plan	Requests/minute	Requests/day
Free	60	1,000
Pro	300	10,000
Business	1,000	Unlimited

What's Next?

Get Authentication

Review the authentication methods to access the API.

Choose Your Endpoint

Select the endpoint category that matches your use case.

Make Your First Request

Use the code examples to make your first API call.