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Batch prediction endpoints return RFC 9457 problem details (application/problem+json). The results stream also embeds the same shape inside each result line’s error field when an individual item fails.

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Problem detail shape

{
  "type": "https://api.datagrid.com/errors/validation_failed",
  "title": "Validation Failed",
  "status": 422,
  "detail": "items must contain at least one item"
}
Validation errors include an errors array with JSON pointers into the request body. Item-level validation errors include custom_id when Datagrid can associate the issue with a submitted item. 
{
  "type": "https://api.datagrid.com/errors/validation_failed",
  "title": "Validation Failed",
  "status": 422,
  "detail": "Duplicate custom_id 'drawing_001' in batch",
  "errors": [
    {
      "pointer": "/items/1/custom_id",
      "code": "duplicate_custom_id",
      "message": "Duplicate custom_id 'drawing_001' in batch",
      "custom_id": "drawing_001"
    }
  ]
}

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Error type registry

Type URIWhere it appearsMeaning
https://api.datagrid.com/errors/no_authenticationEndpoint responseMissing, expired, or revoked API key.
https://api.datagrid.com/errors/credit_exceededEndpoint responseThe teamspace does not have enough credits to enqueue or continue batch work.
https://api.datagrid.com/errors/resource_not_foundEndpoint responseThe batch does not exist in the authenticated teamspace.
https://api.datagrid.com/errors/conflictEndpoint responseThe request conflicts with current state, such as reusing an idempotency key with a different request body or cancelling a batch that is already completed, failed, or expired.
https://api.datagrid.com/errors/results_goneEndpoint responseBatch metadata still exists, but retained result lines have already been cleaned up.
https://api.datagrid.com/errors/validation_failedEndpoint response or batch objectSynchronous request validation failed before the batch was accepted, or asynchronous batch validation failed after creation.
https://api.datagrid.com/errors/batch_validation_failedResult lineAnother item failed async validation, so this item was never processed.
https://api.datagrid.com/errors/file_not_foundResult lineThe referenced file does not exist or is not accessible from the batch teamspace.
https://api.datagrid.com/errors/unsupported_file_formatResult lineThe referenced file type cannot be processed by batch predictions, or a page reference was supplied for a non-paged file type.
https://api.datagrid.com/errors/prediction_failedResult lineModel execution completed, but the item could not be returned as a valid prediction.
https://api.datagrid.com/errors/batch_cancelledResult lineThe item did not run because the batch was cancelled.
https://api.datagrid.com/errors/batch_expiredResult lineThe item did not run before the batch completion window expired.
https://api.datagrid.com/errors/batch_item_processing_failedResult lineItem processing failed due to an internal execution error.
https://api.datagrid.com/errors/rate_limit_exceededEndpoint responseThe request was throttled or admission control rejected the create request.
https://api.datagrid.com/errors/internal_server_errorEndpoint response or result lineAn unexpected server-side error occurred.

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Example: rate-limited create request

{
  "type": "https://api.datagrid.com/errors/rate_limit_exceeded",
  "title": "Rate Limit Exceeded",
  "status": 429,
  "detail": "Too many batch prediction requests are already in progress for this teamspace."
}
When present, inspect X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset, RateLimit-Policy, RateLimit, and Retry-After response headers before retrying.

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Example: cleaned results

{
  "type": "https://api.datagrid.com/errors/results_gone",
  "title": "Results Gone",
  "status": 410,
  "detail": "Batch prediction results are no longer available because they were deleted after the retention period."
}

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Example: streamed item failure

{
  "object": "batch_prediction.result",
  "batch_id": "bpred_123",
  "custom_id": "drawing_002",
  "status": "errored",
  "output": null,
  "error": {
    "type": "https://api.datagrid.com/errors/file_not_found",
    "title": "File Not Found",
    "status": 422,
    "detail": "File 'file_missing' does not exist or is not accessible from this teamspace."
  }
}