generated: '2026-08-13'
method: searched
source: https://open.thetradedesk.com/advertiser/docsApp/GuidesAdvertiser/data/doc/post-data-advertiser-firstparty
api: The Trade Desk Data API
response_version: v2
note: Data API v2 error codes, returned in the ErrorCode field of the response envelope and, per failed
  row, in FailedLines[].ErrorCode. Version 1 is still the default and returns FailedLines only, with error
  messaging that varies by endpoint — v2 is where the codes become consistent.
envelope_field: ErrorCode
error_codes:
- status: 400
  code: UnknownRequest
  meaning: The requested resource could not be recognized.
- status: 400
  code: IncorrectContent
  meaning: A field in the request body contains an invalid value.
- status: 400
  code: MissingData
  meaning: A required field in the request body was absent or empty.
- status: 400
  code: SerializationFailed
  meaning: Request body could not be deserialized - verify the JSON is valid and matches the expected
    schema.
- status: 401
  code: AuthenticationFailed
  meaning: The provided credentials could not be authenticated - verify credentials.
- status: 401
  code: InvalidToken
  meaning: The provided token is invalid - verify token.
- status: 403
  code: IncorrectPermissions
  meaning: The provided credentials lack the required permissions for the specified ID.
- status: 403
  code: AdvertiserMisconfigured
  meaning: The provided AdvertiserId is not configured to send data on the requested resource.
- status: 403
  code: DataProviderMisconfigured
  meaning: The provided DataProviderId is not configured to send data on the requested resource.
- status: 403
  code: MerchantMisconfigured
  meaning: The provided MerchantId is not configured to send data on the requested resource.
- status: 403
  code: TargetingDataLimitReached
  meaning: The maximum allowed targeting data elements limit for the specified advertiser/data provider
    has been reached.
- status: 404
  code: EndpointNotConfigured
  meaning: The requested endpoint is not configured to accept this type of request.
- status: 413
  code: MaxRequestSizeExceeded
  meaning: Request payload exceeds the maximum allowed size.
related:
- errors/trade-desk-problem-types.yml