# Service Already Exists
source: https://developer.mastercard.com/mastercard-developers-api/documentation/errors/service-already-exists/index.md

A project with this name already exists within your account.

### Solution {#solution}

Choose a unique project name.

### API Error Response {#api-error-response}

**HTTP code 409**

```JSON

{
  "Errors": {
    "Error": [
      {
        "Source": "DEVELOPERS_API",
        "ReasonCode": "PROJECT_SERVICE_ALREADY_EXISTS",
        "Description": "Service already exists in this project.",
        "Details": "You can not add service 'TestService' in this project, because it is already present in this project",
        "Recoverable": false
      }
    ]
  }
}
```

[Back to Errors List](https://developer.mastercard.com/mastercard-developers-api/documentation/code-and-formats/index.md#list-of-common-api-errors)​​