Troubleshooting API Requests

The following lists errors that you might encounter when you submit API requests.

Result of API Request (Example)	Description of Error
`{"errorCodes":["INVALID_LOAD_ID"], "lastloadid":"1333125300", "minloadid":"1332776700"}`	The Load ID provided for the `getLoadIdsAfter` parameter was not found in the database. The response includes the `minloadid` (the earliest Load ID in the database) and the `lastloadid` (the most recent Load ID found in the database).
`{"loadids":[]}`	No Load ID was provided for the `getLoadIdsAfter` parameter.
`{"errorCodes":["USER_AUTHENTICATION _FAILED"]}`	The user name was incorrect or not found, or the authentication key was incorrect or not found
`{"errorCodes":["API_USER_AUTHENTICATION _FAILED"]}`	The client ID was incorrect or not found. Note: You cannot make API requests unless your client ID is enabled for Digital Data Exchange API.
`{"errorCodes":["INVALID_LOAD_ID"]}`	The Load ID provided was not an integer.
`{"loadid":null}`	There are no load IDs in the database.
`{"errorCodes":["PLEASE_CONTACT_CUSTOMER _SUPPORT"]}`	An error occurred not related to authentication or Load ID validation. Please contact Customer Support.