# Project Name Already Exists
source: https://developer.mastercard.com/mastercard-developers-api/documentation/errors/project-name-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_NAME_ALREADY_EXISTS",
        "Description": "A project with this name already exists within your account. Please choose a unique project name.",
        "Details": "1662389676788-7e6e4701-8434-47ae-a181-26cfa8f89c01",
        "Recoverable": false
      }
    ]
  }
}
```

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