academic

Academic and code sources.

• arXiv API: 3-second spacing still gets "Rate exceeded", and the 429 takes 10-40 seconds to arrive · 2026-09-08
• GitHub search API: total_count lies, only 1,000 results are reachable · 2026-09-08
• OpenAlex without an API key: 1,000 requests a day, and mailto no longer helps · 2026-09-08
• PubMed esearch stops at 9,999 records and the history server does not lift it · 2026-09-08