# Invalid Content-Type header

The request has an invalid Content-Type header.

---

## Example

```json
{
  "error": {
    "type": "request_error",
    "code": "unsupported_media_type",
    "detail": "Content-Type must be \"application/json\".",
    "documentation_url": "https://developer.paddle.com/errors/shared/unsupported_media_type"
  },
  "meta": {
    "request_id": "00000000-0000-0000-0000-000000000000"
  }
}
```

## Details

| Attribute | Value |
| --- | --- |
| Status code | 415 |
| Error code | `unsupported_media_type` |
| Error message | Content-Type must be "application/json". |

## Common causes

- You sent an unsupported `Content-Type` header with your request

## Common solutions

- Make sure that your `Content-Type` header is `"application-json"`.