{"slug": "dataset-viewer-api-returning-503-service-temporarily-unavailable-for-all", "title": "Dataset Viewer API returning 503 Service Temporarily Unavailable for all datasets", "summary": "Hugging Face's Dataset Viewer API is returning a 503 Service Temporarily Unavailable error for all datasets, affecting services like gbharti/finance-alpaca. The issue appears to be with the datasets-server service rather than individual datasets, and users are seeking confirmation of the outage.", "body_md": "Hello Hugging Face team,\n\nThe Dataset Viewer appears to be unavailable for me across all datasets.\n\nI am getting the following error when accessing the Dataset Viewer API:\n\n[https://datasets-server.huggingface.co/is-valid?dataset=gbharti/finance-alpaca](https://datasets-server.huggingface.co/is-valid?dataset=gbharti/finance-alpaca)\n\nResponse:\n\n503 Service Temporarily Unavailable\n\nUnexpected token ‘<’, “…” is not valid JSON\n\nI have tested:\n\n`gbharti/finance-alpaca`\n\n)The issue appears to affect the Dataset Viewer service rather than a specific dataset configuration.\n\nCould someone confirm if there is an ongoing issue with `datasets-server`\n\nor guide troubleshooting?\n\nThanks.", "url": "https://wpnews.pro/news/dataset-viewer-api-returning-503-service-temporarily-unavailable-for-all", "canonical_source": "https://discuss.huggingface.co/t/dataset-viewer-api-returning-503-service-temporarily-unavailable-for-all-datasets/177810#post_1", "published_at": "2026-07-14 10:19:38+00:00", "updated_at": "2026-07-14 10:59:40.338400+00:00", "lang": "en", "topics": ["ai-tools", "ai-infrastructure"], "entities": ["Hugging Face", "Dataset Viewer", "datasets-server", "gbharti/finance-alpaca"], "alternates": {"html": "https://wpnews.pro/news/dataset-viewer-api-returning-503-service-temporarily-unavailable-for-all", "markdown": "https://wpnews.pro/news/dataset-viewer-api-returning-503-service-temporarily-unavailable-for-all.md", "text": "https://wpnews.pro/news/dataset-viewer-api-returning-503-service-temporarily-unavailable-for-all.txt", "jsonld": "https://wpnews.pro/news/dataset-viewer-api-returning-503-service-temporarily-unavailable-for-all.jsonld"}}