API Error Codes

When issues arise, Diffbot APIs return the following fields in a JSON response:

Field	Response
`error`	Description of the error
`errorCode`	Error code per the chart below

{
     "error": "Could not download page (404)",
     "errorCode": 404
}

Code	Description
`401`	Unauthorized token
`404`	Requested page not found
`429`	Your token has exceeded the allowed number of calls, or has otherwise been throttled for API abuse.
`500`	Error processing the page. Specific information will be returned in the JSON response.