{"slug": "error-429-while-using-hf-spaces", "title": "Error 429 while using HF Spaces", "summary": "Hugging Face Spaces users are receiving HTTP 429 errors with the HTML page \"We had to rate limit you\" when one Space calls another Space's *.hf.space URL, according to a Hugging Face forum thread. Forum user nootxlm attributed the failures to the platform's edge rate limiter rather than the target Space, noting that Space-to-Space traffic leaves through shared egress and likely trips a per-IP limit. The recommended fix is to check the Retry-After header on the 429 and space calls out, typically by batching fewer requests rather than retrying harder.", "body_md": "I’m getting HTTP 429 errors when my Space calls another Space, and I can’t figure out why. Every request from the Space fails with a 429 error. The response is Hugging Face’s HTML page saying *“We had to rate limit you”*. Are requests from one Space to another Space’s `*.hf.space` URL are limited? Thanks for any help!\n\n \n \n[nootxlm](https://discuss.huggingface.co/u/nootxlm)\n2\n \nThe HTML page is the tell: that is the edge rate limiter, not the Space you are calling. Space-to-Space traffic leaves through shared egress, so you are likely tripping a per-IP limit that has nothing to do with your target. Check the Retry-After header on the 429 and space your calls out. If it is consistent, the fix is usually fewer batched requests, not retrying harder.", "url": "https://wpnews.pro/news/error-429-while-using-hf-spaces", "canonical_source": "https://discuss.huggingface.co/t/error-429-while-using-hf-spaces/180751#post_2", "published_at": "2026-09-27 12:39:31+00:00", "updated_at": "2026-09-27 13:00:23.306659+00:00", "lang": "en", "topics": ["ai-infrastructure", "developer-tools"], "entities": ["Hugging Face", "Hugging Face Spaces", "nootxlm"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/error-429-while-using-hf-spaces", "markdown": "https://wpnews.pro/news/error-429-while-using-hf-spaces.md", "text": "https://wpnews.pro/news/error-429-while-using-hf-spaces.txt", "jsonld": "https://wpnews.pro/news/error-429-while-using-hf-spaces.jsonld"}}