---
updatedAt: 2026-07-10T20:07:17.000Z
agentTools:
  projectIndex: https://apidocs.ceretax.net/llms.txt
---

# Test connection

Check connectivity to CereTax. This endpoint is intended to help you verify that your connection is working. This endpoint will return a 200 HTTP status code if it succeeds.

# OpenAPI definition

```json
{
  "openapi": "3.0.1",
  "x-stoplight": {
    "id": "dayb3ify8s0x6"
  },
  "info": {
    "title": "Transaction API",
    "description": "CereTax API Documentation for creating and updating telco, sale, and purchase transactions.",
    "version": "1.0"
  },
  "servers": [
    {
      "url": "https://calc.cert.ceretax.net",
      "description": "CERT"
    },
    {
      "description": "Production",
      "url": "https://calc.prod.ceretax.net"
    }
  ],
  "paths": {
    "/test": {
      "post": {
        "summary": "Test connection",
        "operationId": "post-test",
        "responses": {
          "200": {
            "description": "OK"
          }
        },
        "tags": [
          "Test connection"
        ],
        "description": "Check connectivity to CereTax. This endpoint is intended to help you verify that your connection is working. This endpoint will return a 200 HTTP status code if it succeeds.",
        "security": [
          {
            "api_key": []
          }
        ]
      }
    }
  },
  "components": {
    "securitySchemes": {
      "api_key": {
        "type": "apiKey",
        "name": "x-api-key",
        "in": "header"
      }
    }
  },
  "x-readme": {
    "explorer-enabled": true,
    "proxy-enabled": true,
    "samples-enabled": true
  }
}
```