{"record":{"id":"6e9356fcb7c2a150","repo":"OpenBB-finance/OpenBB","slug":"failed-to-fetch-data-from-fred-api-e","errorCode":null,"errorMessage":"Failed to fetch data from FRED API: {e}","messagePattern":"Failed to fetch data from FRED API: (.+?)","errorType":"exception","errorClass":"OpenBBError","httpStatus":null,"severity":"error","filePath":"openbb_platform/providers/fred/openbb_fred/models/commodity_spot_prices.py","lineNumber":213,"sourceCode":"                else (datetime.now() - timedelta(weeks=156)).date()\n            ),\n            \"end_date\": (\n                query.end_date if query.end_date is not None else datetime.now().date()\n            ),\n            \"frequency\": query.frequency,\n            \"aggregation_method\": query.aggregation_method,\n            \"transform\": query.transform,\n        }\n\n        try:\n            results = await FredSeriesFetcher.fetch_data(series_query, credentials)\n\n            return {\n                \"result\": results.result,  # type: ignore\n                \"metadata\": results.metadata,  # type: ignore\n            }\n        except Exception as e:\n            raise OpenBBError(f\"Failed to fetch data from FRED API: {e}\") from e\n\n    @staticmethod\n    def transform_data(\n        query: FredCommoditySpotPricesQueryParams, data: dict, **kwargs: Any\n    ) -> AnnotatedResult[list[FredCommoditySpotPricesData]]:\n        \"\"\"Transform the data.\"\"\"\n        # pylint: disable=import-outside-toplevel\n        from pandas import DataFrame\n\n        results = data.get(\"result\", [])\n\n        if not results:\n            raise EmptyDataError(\"The request was returned with no data.\")\n\n        metadata = data.get(\"metadata\", {})\n        title_map = {k: v.get(\"title\") for k, v in metadata.items()}\n        units_map = {k: v.get(\"units\") for k, v in metadata.items()}\n        df = DataFrame([d.model_dump() for d in results])","sourceCodeStart":195,"sourceCodeEnd":231,"githubUrl":"https://github.com/OpenBB-finance/OpenBB/blob/3e071fcc2cd9f891cac6040ae60296dba76dab46/openbb_platform/providers/fred/openbb_fred/models/commodity_spot_prices.py#L195-L231","documentation":"Raised in FredCommoditySpotPricesFetch.extract_data when the delegated FredSeriesFetcher.fetch_data call raises for any reason - the except Exception wraps it as OpenBBError('Failed to fetch data from FRED API: {e}'), preserving the original exception as __cause__. The commodity fetcher fans a list of commodity symbols into a FredSeriesQueryParams call, so any series-fetch failure (auth, throttling, empty data, invalid series) surfaces here.","triggerScenarios":"FRED API key missing/invalid, FRED request throttling (429), a commodity series ID being retired so FredSeriesFetcher raises EmptyDataError, or network failures during the async fetch - all caught and re-wrapped with the commodity context.","commonSituations":"FRED_API_KEY not set in the OpenBB credentials; hitting FRED's rate limit when fetching many commodity series at once; FRED deprecating individual commodity series IDs; transient network errors from behind restrictive proxies.","solutions":["Read the wrapped '{e}' text - it carries the root cause (auth vs rate limit vs empty data) and fix that first","Confirm the FRED API key works with a direct call to fred.stlouisfed.org/graph/fred/data.csv?id=DFF","Reduce the number of commodities requested per call to stay under FRED's rate limits","Update openbb-fred in case retired series IDs were remapped upstream"],"exampleFix":"# before\nres = await obb.economy.commodity_spot_prices(provider='fred', commodity='all').await_to_list()\n\n# after - fetch a smaller set to avoid rate limits and inspect root cause\nres = await obb.economy.commodity_spot_prices(provider='fred', commodity='crude_oil').await_to_list()","handlingStrategy":"retry","validationCode":"import os, requests\nkey = os.environ.get('FRED_API_KEY')\nassert key, 'FRED_API_KEY missing'\nr = requests.get(f'https://api.stlouisfed.org/fred/series/observations?series_id=DFF&api_key={key}&file_type=json', timeout=10)\nassert r.status_code == 200, f'FRED key invalid: {r.status_code}'","typeGuard":null,"tryCatchPattern":"from openbb_core.app.model.abstract.error import OpenBBError\nimport asyncio\nfor attempt in range(3):\n    try:\n        data = await fetcher.fetch_data(query, credentials)\n        break\n    except OpenBBError as e:\n        if 'Failed to fetch data from FRED API' not in str(e):\n            raise\n        if attempt == 2:\n            raise\n        await asyncio.sleep(2 ** attempt)  # throttle/transient backoff","preventionTips":["Health-check the FRED key before commodity fetches","Request fewer commodities per call to stay under FRED rate limits","Inspect the wrapped inner exception text - it distinguishes auth, throttle, and empty-data causes","Add exponential backoff for transient FRED failures"],"tags":["fred","commodities","wrapper-exception","api-key"],"backgroundTag":null,"analyzedSha":"3e071fcc2cd9f891cac6040ae60296dba76dab46","analyzedAt":"2026-08-14T23:40:48.960Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}