{"record":{"id":"b1b47c05d41f74de","repo":"BerriAI/litellm","slug":"file-id-is-required-in-file-content-request","errorCode":null,"errorMessage":"file_id is required in file_content_request","messagePattern":"file_id is required in file_content_request","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"litellm/llms/anthropic/files/handler.py","lineNumber":77,"sourceCode":"        \"\"\"\n        Async: Retrieve file content from Anthropic.\n\n        For batch results, the file_id should be the batch_id.\n        This will call Anthropic's /v1/messages/batches/{batch_id}/results endpoint.\n\n        Args:\n            file_content_request: Contains file_id (batch_id for batch results)\n            api_base: Anthropic API base URL\n            api_key: Anthropic API key\n            timeout: Request timeout\n            max_retries: Max retry attempts (unused for now)\n\n        Returns:\n            HttpxBinaryResponseContent: Binary content wrapped in compatible response format\n        \"\"\"\n        file_id: Final = file_content_request.get(\"file_id\")\n        if not file_id:\n            raise ValueError(\"file_id is required in file_content_request\")\n\n        # Extract batch_id from file_id\n        # Handle both formats: \"anthropic_batch_results:{batch_id}\" or just \"{batch_id}\"\n        if file_id.startswith(\"anthropic_batch_results:\"):\n            batch_id = file_id.replace(\"anthropic_batch_results:\", \"\", 1)\n        else:\n            batch_id = file_id\n\n        # Get Anthropic API credentials\n        api_base = self.anthropic_model_info.get_api_base(api_base)\n        auth_header: Final = self.anthropic_model_info.get_auth_header(api_key, api_base)\n\n        if auth_header is None:\n            raise ValueError(\"Missing Anthropic API Key\")\n\n        # Construct the Anthropic batch results URL\n        encoded_batch_id: Final = encode_url_path_segment(batch_id, field_name=\"batch_id\")\n        results_url: Final = f\"{api_base.rstrip('/')}/v1/messages/batches/{encoded_batch_id}/results\"","sourceCodeStart":59,"sourceCodeEnd":95,"githubUrl":"https://github.com/BerriAI/litellm/blob/6c2dcb801bf2b75c18f1bb24140e7cf57465cc4d/litellm/llms/anthropic/files/handler.py#L59-L95","documentation":"Raised by the Anthropic files handler when retrieving batch results content: file_content_request must contain a 'file_id' identifying the batch ('{batch_id}' or 'anthropic_batch_results:{batch_id}' are both accepted). The handler extracts it with .get() and rejects missing/empty values before building the results URL.","triggerScenarios":"Calling the file-content endpoint for batch results with a file_content_request dict that lacks 'file_id' or has it empty — e.g. passing {'batch_id': '...'} instead of {'file_id': '...'}.","commonSituations":"Confusing the field name with the batch id parameter used elsewhere in the batches API; forwarding a partially-built request from a job runner; empty file_id after a failed upstream lookup.","solutions":["Pass file_id in file_content_request, e.g. {'file_id': 'anthropic_batch_results:batch_01ABC'} or {'file_id': 'batch_01ABC'}.","If you only have the batch id, put it directly in file_id — both prefixed and raw forms are handled.","Check for typos: it is 'file_id', not 'batch_id' or 'id'."],"exampleFix":"# before\ncontent = handler.get_file_content(file_content_request={\"batch_id\": \"batch_01ABC\"})\n\n# after\ncontent = handler.get_file_content(file_content_request={\"file_id\": \"batch_01ABC\"})","handlingStrategy":"validation","validationCode":"def make_file_content_request(file_id: str | None, batch_id: str | None = None) -> dict:\n    fid = file_id or (f\"anthropic_batch_results:{batch_id}\" if batch_id else None)\n    if not fid:\n        raise ValueError(\"file_id or batch_id is required\")\n    return {\"file_id\": fid}","typeGuard":"def has_file_id(file_content_request: object) -> bool:\n    return (\n        isinstance(file_content_request, dict)\n        and isinstance(file_content_request.get(\"file_id\"), str)\n        and bool(file_content_request[\"file_id\"])\n    )","tryCatchPattern":"try:\n    content = handler.get_file_content(file_content_request=req)\nexcept ValueError as e:\n    if \"file_id is required\" in str(e):\n        return http_error(400, \"file_id is required\")\n    raise","preventionTips":["Use 'file_id' as the canonical field name; both raw and prefixed batch ids are accepted.","When juggling batch ids, wrap them: 'anthropic_batch_results:<batch_id>'.","Log the request keys before calling handler APIs during integration debugging."],"tags":["anthropic","files","batch","validation"],"backgroundTag":null,"analyzedSha":"6c2dcb801bf2b75c18f1bb24140e7cf57465cc4d","analyzedAt":"2026-08-15T07:12:03.035Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}