> ## Documentation Index
> Fetch the complete documentation index at: https://docs.joinmassive.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Error Types

> Massive may respond with one of several common or custom error messages:

| Status code | Reason phrase                 | Additional comments                                                                                                                                                                           |
| ----------- | ----------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `400`       | Bad Request                   | Your request was malformed, most likely because of invalid routing parameters; see the response body for human-readable details                                                               |
| `407`       | Proxy Authentication Required | Your login email address, Massive API token, or both were incorrect                                                                                                                           |
| `452`       | Disallowed Content            | The protocol, port, or content that you requested conflicts with Massive’s content policy; see the Link header for the entire policy                                                          |
| `500`       | Internal server error         | Something went wrong on the serverside                                                                                                                                                        |
| `502`       | Bad gateway                   | Massive was unable to find an appropriate node                                                                                                                                                |
| `503`       | Service Unavailable           | Massive was unable to satisfy the geotargeting specifications or other elements of your request; or Massive network experiences high demand; see the response body for human-readable details |