# clm_73CFA3A1A718

subject: Anthropic (/record/anthropic.md)  
predicate: launched  
value: C# SDK  
valid_from: 2025-09-08  
valid_to: null  
published: 2025-09-08  
recorded: 2026-11-12  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-12  
cite: AsOf. "Anthropic launched: C# SDK", as of 2025-09-08. Claim clm_73CFA3A1A718, https://asof.is/claim/clm_73CFA3A1A718, accessed 2026-11-12. Source: https://platform.claude.com/docs/en/release-notes/overview#2025-09-08.  
checked: 2026-11-12 · its source page states the value and the date  

> September 8, 2025  We launched a beta version of the C# SDK .

What https://platform.claude.com/docs/en/release-notes/overview#2025-09-08 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2025-09-08 (primary, Anthropic, published 2025-09-08)

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