Bad Request - The request is invalid due to missing or incorrect parameters. This includes missing fields, invalid values, formatting issues, or conflicts such as duplicate data.

Unauthorized - API authentication failed due to an invalid or missing API key.

Forbidden - The API key does not have sufficient permissions to perform this action.

Not Found - The specified campaign was not found. Verify the campaign UUID.

Unprocessable Entity - The campaign cannot be paused due to its current status (e.g., already completed or archived). One or more scheduling parameters may be invalid (if applicable).

Too Many Requests - The request limit has been exceeded. Reduce request frequency.

Internal Server Error - An unexpected server error occurred. Contact support if the issue persists.

Bad Gateway - The server received an invalid response. Retry the request.

Service Unavailable - The service is temporarily unavailable. Try again later.

Gateway Timeout - The server took too long to respond. Retry the request with exponential backoff.